すべての論文下書き

2013-2016

2011-2012

2010以前

 

総説・解説論文

著書

その他

 

All Publications

• • Epitaxial growth and electric properties of γ-Al₂O₃ (110) films on β- Ga₂O₃ (010) substrates

M. Hattori, T. Oshima, R. Wakabayashi, K. Yoshimatsu, K. Sasaki, T. Masui, A. Kuramata, S. Yamakoshi, K. Horiba, H. Kumigashira & A. Ohtomo
Japanese Journal of Applied Physics 55, 1202B6 (5 pages) (2016).

• • Epitaxial synthesis and physical properties of double-perovskite oxide Sr₂CoRuO₆ thin films

K. Watarai, K. Yoshimatsu, K. Horiba, H. Kumigashira, O Sakata & A. Ohtomo
Journal of Physics:Condensed Matter 28, 43 (7 pages) (2016).

• • Insulator to metal transition of WO₃ epitaxial films induced by electrochemical Li-ion intercalaion

K. Yoshimatsu, T. Soma, & A. Ohtomo
Applied Physics Express 9, 075802 (4 pages) (2016).

• • Epitaxial growth of hexagonal tungsten bronze Cs_xWO₃ films in superconducting phase region exceeding bulk limit

T. Soma, K. Yoshimatsu, & A. Ohtomo
Applied Physics Express 9, 075801 (3 pages) (2016).

• • Strain-induced metal-insulator transition in t_2g electron system of perovskite titanate Sm_0.5Ca_0.5TiO₃ films

K. Yoshimatsu, H. Okabe, T. Oshima, S. Ueda & A. Ohtomo
Physical Review B 93, 195159 (8 pages) (2016).

• • Impact of built-in potential across LaFeO₃/SrTiO₃ heterojunctions on photocatalytic activity

K. Nakamura, H. Mashiko, K. Yoshimatsu & A. Ohtomo
Applied Physics Letters 108, 211605 (5 pages) (2016).

• • Fabrication and characterization of semiconductor photoelectrodes with orientation-controlled α-Fe₂O₃ thin films

H. Mashiko, K. Yoshimatsu, T. Oshima & A. Ohtomo
Journal of Physical Chemistry C 120 (5), 2747–2752 (2016).

• • Reversible superconductor-insulator transition in LiTi₂O₄ induced by Li-ion electrochemical reaction

K. Yoshimatsu, M. Niwa, H. Mashiko, T. Oshima & A. Ohtomo
Scientific Reports 5, 16325 (2015).

• • Oxygen-radical-assisted pulsed-laser deposition of β-Ga₂O₃ and β-(Al_xGa_1-x)₂O₃ films

R. Wakabayashi, T. Oshima, M. Hattori, K. Sasaki, T. Masui, A. Kuramata, S. Yamakoshi, K. Toshimatsu & A. Ohtomo
Journal of Crystal Growth 424, 77-79 (2015).

• • Conducting Si-doped γ-Ga₂O₃ epitaxial films grown by pulsed-laser deposition

T. Oshima, K.Matsuyama, K. Yoshimatsu, A. Ohtomo
Journal of Crystal Growth 421, 23-26 (2015).

• • Pulsed-laser deposition of superconducting LiTi₂O₄ ultrathin films

T. Oshima, M. Niwa, K. Yokoyama, A. Ohtomo
Journal of Crystal Growth 419, 153-157 (2015).

• • Synthesis and magnetic properties of double-perovskite oxide La₂MnFeO₆ thin films

K. Yoshimatsu, K. Nogami, K. Watarai, K. Horiba, H. Kumigashira, O. Sakata, T. Oshima & A. Ohtomo
Physics Review B 91, 054421 (6 pages) (2015).

• • Direct growth of metallic TiH₂ thin films by pulsed laser deposition

K. Yoshimatsu, T. Suzuki, N. Tsuchimine, K. Horiba, H. Kumigashira, T. Oshima & A. Ohtomo
Applied Physics Express 8, 035801 (4 pages) (2015).

2014

• • Surface and interface engineering of ZnO based heterostructures fabricated by pulsed-laser deposition

A. Tsukazaki, A Ohtomo & M. Kawasaki
Journal of Physics D: Applied Physics 47, 034003 (19 pages) (2014).

• • Epitaxial growth of wide-band-gap ZnGa₂O₄ films by mist chemical vapor deposition

T. Oshima, M. Niwa, A. Mukai, T. Nagami, T. Suyama & A. Ohtomo
Journal of Crystal Growth 386, 190-193 (2014).

2013

• • Improved visible light driven photoelectrochemical properties of 3C-SiC semiconductor with Pt nanoparticles for hydrogen generation

J. T. Song, H. Mashiko, M. Kamiya, Y. Nakamine, A. Ohtomo, T. Iwasaki & M. Hatano
Applied Physics Letters 103, 213901 (5 pages) (2013).

• • β-Ga₂O₃ single crystal as a photoelectrode for water splitting

T. Oshima, K. Kaminaga, H. Mashiko, A. Mukai, K. Sasaki, T. Masui, A. Kuramata, S. Yamakoshi & A. Ohtomo
Japanese Journal of Applied Physics 52, 111102 (4 pages) (2013).

• • Epitaxial synthesis and electronic properties of double-perovskite Sr₂TiRuO₆ films

K. Nogami, K. Yoshimatsu, H. Mashiko, E. Sakai, H. Kumigashira, O. Sakata, T. Oshima & A. Ohtomo
Applied Physics Express 6, 105502 (4 pages) (2013).

• • Formation of semi-insulating layers on semiconducting β-Ga₂O₃ single crystals by thermal oxidation

T. Oshima, K. Kaminaga, A. Mukai, K. Sasaki, T. Masui, A. Kuramata, S. Yamakoshi, S. Fujita & A. Ohtomo
Japanese Jourmal of Applied Physics 52, 051101 (5 pages) (2013).

• • Spontaneous atomic ordering and magnetism in epitaxially stabilized double perovskites

A. Ohtomo, S. Chakraverty, H. Mashiko, T. Oshima & M. Kawasaki
Journal of Materials Research 28, 689-695 (2013).

• • Epitaxial growth of γ-Ga₂O₃ films by mist chemical vapor deposition

T. Oshima, T. Nakazono, A. Mukai & A. Ohtomo
Journal of Crystal Growth 359, 60-63 (2012).

• • Epitaxial structures of band-gap-engineered α-(Cr_xFe_1-x)₂O₃ (0 ≤ x ≤ 1) films grown on C-plane sapphire

H. Mashiko, T. Oshima & A. Ohtomo
Japanese Journal of Applied Physics 51, 11PG11 (5 pages), (2012).

• • Band-gap narrowing in α-(Cr_xFe_1-x)₂O₃ solid-solution films

H. Mashiko, T. Oshima & A. Ohtomo
Applied Physics Letters 99, 241904 (3 pages) (2011).

• • Magnetic properties of Sr₂FeTaO₆ double perovskite epitaxially grown by pulsed-laser deposition

S. Chakraverty, M. Saito, S. Tsukimoto, Y. Ikuhara, A. Ohtomo & M. Kawasaki
Applied Physics Letters 99, 223101 (3 pages) (2011).

• • Magnetic and electronic properties of ordered double-perovskite La₂VMnO₆ thin films

S. Chakraverty, K. Yoshimatsu, Y. Kozuka, H. Kumigashira, M. Oshima, T. Makino, A. Ohtomo & M. Kawasaki
Physical Review B 84, 132411 (4 pages) (2011).

• • Ferrimagnetism and spontaneous ordering of transition metals in double perovskite La₂CrFeO₆ films

S. Chakraverty, A. Ohtomo, D. Okuyama, M. Saito, M. Okude, R. Kumai, T. Arima, Y. Tokura, S. Tsukimoto, Y. Ikuhara & M. Kawasaki
Physical Review B 84, 064436 (5 pages) (2011).

• • Improvement of electron mobility above 100,000cm² V^-1s^-1 in Mg_xZn_1-xO/ZnO heterostructures

S. Akasaka, A. Tsukazaki, K. Nakahara, A. Ohtomo & M. Kawasaki
Japanese Journal of Applied Physics 50, 080215 (3 pages) (2011).

• • Preparation of an epitaxy-ready surface of a ZnO(0001) substrate

S. Akasaka, K. Nakahara, H. Yuji, A. Tsukazaki, A. Ohtomo & M. Kawasaki
Applied Physics Express 4, 035701 (3 pages) (2011).

• • Controlled B-site ordering in Sr₂CrReO₆ double perovskite films by using pulsed laser interval deposition

S. Chakraverty, A. Ohtomo & M. Kawasaki
Applied Physics Letters 97, 243107 (3 pages) (2010).

• • Dimensionality-driven insulator-metal transition in A-site excess non-stoichiometric perovskites

Z. Wang, M. Okude, M. Saito, S. Tsukimoto, A. Ohtomo, M. Tsukada, M. Kawasaki & Y. Ikuhara
Nature Communications 1, 106 (7 pages) (2010).

• • Observation of the fractional quantum Hall effect in an oxide

A. Tsukazaki, S. Akasaka, K. Nakahara, Y. Ohno, H. Ohno, D. Maryenko, A. Ohtomo & M. Kawasaki
Nature Materials 9, 889-893 (2010).
New and Views

• • Optimization of the growth conditions for molecular beam epitaxy of Mg_xZn_1-xO (0 ≤ x ≤ 0.12) films grown on Zn-polar ZnO substrates

H. Yuji, K. Nakahara, K. Tamura, S. Akasaka, Y. Nishimoto, D. Takamizu, T. Onuma, S. F. Chichibu, A. Tsukazaki, A. Ohtomo & M. Kawasaki
Japanese Journal of Applied Physics 49, 071104 (5 pages) (2010).

• • Mg_xZn_1-xO films with a low residual donor concentration (< 10¹⁵ cm^-3) grown by molecular beam epitaxy

S. Akasaka, K. Nakahara, A. Tsukazaki, A. Ohtomo & M. Kawasaki
Applied Physics Express 3, 071101 (3 pages) (2010).

• • Nitrogen doped Mg_xZn_1-xO/ZnO single heterostructure ultraviolet light-emitting diodes on ZnO substrates

K. Nakahara, S. Akasaka, H. Yuji, K. Tamura, T. Fujii, Y. Nishimoto, D. Takamizu, A. Sasaki, T. Tanabe, H. Amaike, T. Onuma, S. F. Chichibu, A. Tsukazaki, A. Ohtomo & M. Kawasaki
Applied Physics Letters 97, 013501 (3 pages) (2010).
Research highlights/Top 20 Most Downloaded Articles (July 2010)

• • Hydrogenation-induced surface polarity recognition and proton memory behavior at protic-ionic-liquid/oxide electric-double-layer interfaces

H. Yuan, H. Shimotani, A. Tsukazaki, A. Ohtomo, M. Kawasaki & Y. Iwasa
Journal of the American Chemical Society 132, 6672-6678 (2010).

• • Electronic-field control of two-dimensional electrons in polymer-gated-oxide semiconductor heterostructures

M. Nakano, A. Tsukazaki, A. Ohtomo, K. Ueno, S. Akasaka, H. Yuji, K. Nakahara, T. Fukumura & M. Kawasaki
Advanced Materials 22, 876-879 (2010).
Correction
Correction

• • Epitaxial structure of (001) and (111)-oriented perovskite ferrate films grown by pulsed-laser deposition

S. Chakraverty, A. Ohtomo, M. Okude, K. Ueno & M. Kawasaki
Crystal Growth & Design 10, 1725-1729 (2010).

• • Spatial distribution of two-dimensional electron gas in a ZnO/Mg_0.2Zn_0.8O heterostructure probed with a conducting polymer Schottky contact

M. Nakano, A. Tsukazaki, K. Ueno, R. Y. Gunji, A. Ohtomo, T. Fukumura & M. Kawasaki
Applied Physics Letters 96, 052116 (3 pages) (2010).

• • Excitonic characteristics in direct wide-band-gap CuScO₂ epitaxial thin films

H. Hiraga, T. Makino, T. Fukumura, A. Ohtomo & M. Kawasaki
Applied Physics Letters 95, 211908 (3 pages) (2009).

• • Magneto-optical study of n-type modulation-doped ZnO/Mg_xZn_1-xO single quantum well structures

T. Makino, Y. Furuta, Y. Segawa, A. Tsukazaki, A. Ohtomo, Y. Hirayama, R. Shen, S. Takeyama, Y. Takagi & M. Kawasaki
Physical Review B 80, 155333 (5 pages) (2009).

• • Optical and magnetic properties of CuMnO₂ epitaxial thin films with a delafossite-derivative structure

H. Hiraga, T. Fukumura, A. Ohtomo, T. Makino, A. Ohkubo, H. Kimura & M. Kawasaki
Applied Physics Letters 95, 032109 (3 pages) (2009).

• • High-density carrier accumulation in ZnO field-effect transistors gated by electric double layers of ionic liquids

H. T. Yuan, H. Shimotani, A. Tsukazaki, A. Ohtomo, M. Kawasaki & Y. Iwasa
Advanced Functional Materials 19, 1046-1053 (2009).

• • Crystal structure and valence distribution of [(LaMnO₃)_m(SrMnO₃)_m]_n artificial superlattices

H. Nakao, J. Nishimura, Y. Murakami, A. Ohtomo, T. Fukumura, M. Kawasaki, T. Koida, Y. Wakabayashi & H. Sawa
Journal of the Physical Society of Japan 78, 024602 (10 pages) (2009).

• • Low-temperature field-effect and magnetotransport properties in a ZnO based heterostructure with atomic-layer-deposited gate dielectric

A. Tsukazaki, A. Ohtomo, D. Chiba, Y. Ohno, H. Ohno & M. Kawasaki
Applied Physics Letters 93, 241905 (3 pages) (2008).

• • Spin susceptibility and effective mass of two-dimensional electrons in Mg_xZn_1-xO/ZnO heterostructures

A. Tsukazaki, A. Ohtomo, M. Kawasaki, S. Akasaka, H. Yuji, K. Tamura, K. Nakahara, T. Tanabe, A. Kamisawa, T. Gokmen, J. Shavani & M. Shayegan
Physical Review B 78, 233308 (4 pages) (2008).

• • Mg_xZn_1-xO-based Schottky photodiode for highly color-sensitive ultraviolet light detection

M. Nakano, T. Makino, A. Tsukazaki, K. Ueno, A. Ohtomo, T. Fukumura, H. Yuji, Y. Nishimoto, S. Akasaka, D. Takamizu, K. Nakahara, T. Tanabe, A. Kamisawa & M. Kawasaki
Applied Physics Express 1, 121201 (3 pages) (2008).

• • Electric-field-induced superconductivity in an insulator

K. Ueno, S. Nakamura, H. Shimotani, A. Ohtomo, K. Kimura, T. Nojima, H. Aoki, Y. Iwasa & M. Kawasaki
Nature Materials 7, 855-858 (2008).
Research highlights

• • Transparent polymer Schottky contact for a high performance visible-blind ultraviolet photodiode based on ZnO

M. Nakano, T. Makino, A. Tsukazaki, K. Ueno, A. Ohtomo, T. Fukumura, H. Yuji, S. Akasaka, K. Tamura, K. Nakahara, A. Kamisawa & M. Kawasaki
Applied Physics Letters 93, 123309 (3 pages) (2008).

• • Photoexcitation screening of the built-in electric field in ZnO single quantum wells

T. Makino, Y. Segawa, A. Tsukazaki, A. Ohtomo & M. Kawasaki
Applied Physics Letters 93, 121907 (3 pages) (2008).

• • Plasma-assisted molecular beam epitaxy of high optical quality MgZnO films on Zn-polar ZnO substrates

Y. Nishimoto, K. Nakahara, D. Takamizu, A. Sasaki, K. Tamura, S. Akasaka, H. Yuji, T. Fujii, T. Tanabe, H. Takasu, A. Tsukazaki, A. Ohtomo, T. Onuma, S. F. Chichibu & M. Kawasaki
Applied Physics Express 1, 091202 (3 pages) (2008).

• • Epitaxial synthesis of Sr_n+1Ti_nO_3n+1 (n = 2 – 5) Ruddlesden-Popper homologous series by pulsed-laser deposition

M. Okude, A. Ohtomo, T. Kita & M. Kawasaki
Applied Physics Express 1, 081201 (3 pages) (2008).

• • Polymer Schottky contact on O-polar ZnO with silane coupling agent as surface protective layer

R. Y. Gunji, M. Nakano, A. Tsukazaki, A. Ohtomo, T. Fukumura & M. Kawasaki
Applied Physics Letters 93, 012104 (3 pages) (2008).

• • Effect of in situ annealed SnO₂ buffer layer on structural and electrical property of (001) SnO₂/TiO₂ heterostructures

M. Okude, K. Ueno, S. Itoh, M. Kikuchi, A. Ohtomo & M. Kawasaki
Journal of Physics D: Applied Physics 41, 125309 (4 pages) (2008).

• • High electron mobility exceeding 10⁴ c^m2V^-1s^-1 in MgxZn_1-xO/ZnO single heterostructures grown by molecular-beam epitaxy

A. Tsukazaki, H. Yuji, S. Akasaka, K. Tamura, K. Nakahara, T. Tanabe, H. Takasu, A. Ohtomo & M. Kawasaki
Applied Physics Express 1, 055004 (3 pages) (2008).

• • Quantitative conductivity mapping of SrTiO₃-LaAlO₃-LaTiO₃ ternary composition-spread thin film by scanning microwave microscope

S. Okazaki, N. Okazaki, Y. Hirose, J. Nishimura, K. Ueno, A. Ohtomo, M. Kawasaki, H. Koinuma & T. Hasegawa
Applied Physics Express 1, 055003 (3 pages) (2008).

• • High-throughput screening for combinatorial thin-film library of thermoelectric materials

M. Watanabe, T. Kita, T. Fukumura, A. Ohtomo, K. Ueno & M. Kawasaki
Journal of Combinatorial Chemistry 10, 175-178 (2008).

• • Photoinduced insulator-to-metal transition in ZnO/Mg_0.15Zn_0.85O heterostructures

A. Tsukazaki, A. Ohtomo, M. Nakano & M. Kawasaki
Applied Physics Letters 92, 052105 (3 pages) (2008).

• • Combinatorial synthesis and high throughput evaluation of thermoelectric power factor in Mg-Si-Ge ternary compounds

M. Watanabe, T. Kita, T. Fukumura, A. Ohtomo, K. Ueno & M. Kawasaki
Applied Surface Science 254, 777-780 (2007).

• • Parallel syntheses and thermoelectric properties of Ce-doped SrTiO₃ thin films

Y. F. Yamada, A. Ohtomo & M. Kawasaki
Applied Surface Science 254, 768-771 (2007).

• • Growth mode control of the free carrier density in SrTiO_3-δ films

A. Ohtomo & H. Y. Hwang
Journal of Applied Physics 102, 083704 (6 pages) (2007).

• • Schottky contact on a ZnO (0001) single crystal with conducting polymer

M. Nakano, A. Tsukazaki, R. Y. Gunji, K. Ueno, A. Ohtomo, T. Fukumura & M. Kawasaki
Applied Physics Letters 91, 142113 (3 pages) (2007).

• • Insulator-to-metal transition of ZnO by electric double layer gating

H. Shimotani, H. Asanuma, A. Tsukazaki, A. Ohtomo, M. Kawasaki & Y. Iwasa
Applied Physics Letters 91, 082106 (3 pages) (2007).

• • Recombination dynamics of excitons in Mg_0.11Zn_0.89O alloy films grown using the high-temperature-annealed self-buffer layer by laser-assisted molecular-beam epitaxy

M. Kubota, T. Onuma, A. Tsukazaki, A. Ohtomo, M. Kawasaki, T. Sota & S. F. Chichibu
Applied Physics Letters 90, 141903 (3 pages) (2007).

• • Quantum Hall-effect in polar oxide heterostructures

A. Tsukazaki, A. Ohtomo, T. Kita, Y. Ohno, H. Ohno & M. Kawasaki
Science 315 1388-1391 (2007).
Breakthrough/Perspectives

• • Analysis of time-resolved donor-acceptor photoluminescence of N-doped ZnO

T. Makino, A. Tsukazaki, A. Ohtomo, M. Kawasaki & H. Koinuma
Journal of the Physical Society of Japan 75, 095001 (3 pages) (2006).

• • Hole transport in p-type ZnO

T. Makino, A. Tsukazaki, A. Ohtomo, M. Kawasaki & H. Koinuma
Japanese Journal of Applied Physics 45, 6346-6351 (2006).

• • Photo-irresponsive thin film transistor with MgxZn_1-xO channel

A. Ohtomo, S. Takagi, K. Tamura, T. Makino, Y. Segawa, H. Koinuma & M. Kawasaki
Japanese Journal of Applied Physics 45, L694-L696 (2006).

• • Shifting donor-acceptor photoluminescence in N-doped ZnO

T. Makino, A. Tsukazaki, A. Ohtomo, M. Kawasaki & H. Koinuma
Journal of the Physical Society of Japan 75, 073701 (4 pages) (2006).

• • Electronic transport properties in SrTiO₃-LaAlO₃ solid-solution films

A. Ohtomo, J. Nishimura, Y. Murakami & M. Kawasaki
Applied Physics Letters 88, 232107 (3 pages) (2006).

• • Improvements in quantum efficiency of excitonic emissions in ZnO epilayers by the elimination of point defects

S. F. Chichibu, T. Onuma, M. Kubota, A. Uedono, T. Sota, A. Tsukazaki, A. Ohtomo & M. Kawasaki
Journal of Applied Physics 99, 093505 (6 pages) (2006).

• • High-mobility electron transport in ZnO thin films

A. Tsukazaki, A. Ohtomo & M. Kawasaki
Applied Physics Letters 88, 152106 (3 pages) (2006).

• • Field-effect modulation of transport properties of charge-ordered La_1/3Sr_2/3FeO₃ thin film

K. Ueno, A. Ohtomo, F. Sato & M. Kawasaki
Physical Review B 73, 165103 (5 pages) (2006).

• • Monte Carlo simulation of localization dynamics of excitons in ZnO and CdZnO quantum well structures

T. Makino, K. Saito, A. Ohtomo, M. Kawasaki, R. T. Senger & K. K. Bajaj
Journal of Applied Physics 99, 066108 (3 pages) (2006).

• • Self-assembled ZnO nano-crystals and exciton lasing at room temperature

Z.K. Tang, M. Kawasaki, A. Ohtomo, H. Koinuma & Y. Segawa
Journal of Crystal Growth 287, 169-179 (2006).

• • Analysis on reflection spectra in strained ZnO thin films

T. Makino, Y. Segawa, M. Kawasaki & A. Ohtomo
Journal of Crystal Growth 287, 124-127 (2006).

• • Development of high-throughput combinatorial terahertz time-domain spectrometer and its application to ternary composition-spread film

M. Ohtani, T. Hitosugi, Y. Hirose, J. Nishimura, A. Ohtomo, M. Kawasaki, R. Inoue, M. Tonouchi, T. Shimada & T. Hasegawa
Applied Surface Science 252, 2622-2627 (2006).

• • High-throughput synthesis and characterization of Mg_1-xCa_xO films as a lattice and valence-matched gate dielectric for ZnO based field effect transistors

J. Nishii, A. Ohtomo, M. Ikeda, Y. Yamada, K. Ohtani, H. Ohno & M. Kawasaki
Applied Surface Science 252, 2507-2511 (2006).

• • Combinatorial synthesis and optical characterization of alloy and superlattice films based on SrTiO₃ and LaAlO₃

A. Ohkubo, A. Ohtomo, J. Nishimura, T. Makino, Y. Segawa & M. Kawasaki
Applied Surface Science 252, 2488-2492 (2006).

• • Spectral shape analysis of ultraviolet luminescence in n-type ZnO:Ga

T. Makino, Y. Segawa, S. Yoshida, A. Tsukazaki, A. Ohtomo, M. Kawasaki & H. Koinuma
Journal of Applied Physics 98, 093520 (4 pages) (2005).

• • Free carrier effects on zero- and one-phonon absorption onsets of n-type ZnO

T. Makino, Y. Segawa, S. Yoshida, A. Tsukazaki, A. Ohtomo, M. Kawasaki & H. Koinuma
Japanese Journal of Applied Physics 44, 7275-7280 (2005).

• • High-mobility field-effect transistors based on single-crystalline ZnO channels

J. Nishii, A. Ohtomo, K. Ohtani, H. Ohno & M. Kawasaki
Japanese Journal of Applied Physics 44, L1193-L1195 (2005).

• • Electron transport in ZnO thin films

T. Makino, Y. Segawa, A. Tsukazaki, A. Ohtomo & M. Kawasaki
Applied Physics Letters 87, 022101 (3 pages) (2005).

• • Blue light-emitting diode based on ZnO

A. Tsukazaki, M. Kubota, A. Ohtomo, T. Onuma, K. Ohtani, H. Ohno, S. F. Chichibu & M. Kawasaki
Japanese Journal of Applied Physics 44, L643-L645 (2005).
Most Cited Articles 2008

• • Pulsed laser deposition of thin films and superlattices based on ZnO

A. Ohtomo & A. Tsukazaki
Semiconductor Science and Technology 20, S1-S12 (2005).

• • Exciton-polariton spectra and limiting factors for the room-temperature photoluminescence efficiency in ZnO

S. F. Chichibu, A. Uedono, A. Tsukazaki, T. Onuma, M. Zamfirescu, A. Ohtomo, A. Kavokin, G. Cantwell, C. W. Litton, T. Sota & M. Kawasaki
Semiconductor Science and Technology 20, S67-S77 (2005).

• • Fabrication of ternary phase composition-spread thin film libraries and their high-throughput characterization: Ti_1-x-yZr_xHfyO₂ for bandgap engineering

Y. Yamada, T. Fukumura, M. Ikeda, M. Ohtani, H. Toyosaki, A. Ohtomo, F. Matsukura, H. Ohno & M. Kawasaki
Journal of Superconductivity 18, 109-113 (2005).

• • Repeated temperature modulation epitaxy for p-type doping and light-emitting diode based on ZnO

A. Tsukazaki, A. Ohtomo, T. Onuma, M. Ohtani, T. Makino, M. Sumiya, K. Ohtani, S. F. Chichibu, S. Fuke, Y. Segawa, H. Ohno, H. Koinuma & M. Kawasaki
Nature Materials 4, 42-46 (2005).
Research News/The Top 3 Hot Paper

• • Hall and field-effect mobilities of electrons accumulated at a lattice-matched ZnO/ScAlMgO₄ heterointerface

T. I. Suzuki, A. Ohtomo, A. Tsukazaki, F. Satoh, J. Nishii, H. Ohno & M. Kawasaki
Advanced Materials 16, 1887-1890 (2004).

• • Gallium concentration dependence of room-temperature near-bandedge luminescence in n-type ZnO:Ga

T. Makino, Y. Segawa, S. Yoshida, A. Tsukazaki, A. Ohtomo & M. Kawasaki
Applied Physics Letters 85, 759-761 (2004).

• • Atomic-scale imaging of nanoengineered oxygen vacancy profiles in SrTiO₃

D. A. Muller, N. Nakagawa, A. Ohtomo, J. L. Grazul & H. Y. Hwang
Nature 430, 657-661 (2004).
New and Views

• • Controlled carrier generation at a polarity-discontinued perovskite heterointerface

J. Nishimura, A. Ohtomo, A. Ohkubo, Y. Murakami & M. Kawasaki
Japanese Journal of Applied Physics 43, L1032-L1034 (2004).

• • Emission from the higher-order excitons in ZnO films grown by laser molecular-beam epitaxy

A. Tsukazaki, A. Ohtomo, M. Kawasaki, T. Makino, C.H. Chia, Y. Segawa & H. Koinuma
Applied Physics Letters 84, 3858-3860 (2004).

• • Second harmonic generation in self-assembled ZnO microcrystallite thin films

X.Q. Zhang, Z. K. Tang, M. Kawasaki, A. Ohtomo & H. Koinuma
Thin Solid Films 450, 320-323 (2004).

• • Modeling of grain boundary barrier modulation in ZnO invisible thin film transistors

F. M. Hossain, J. Nishii, S. Takagi, T. Sugihara, A. Ohtomo, T. Fukumura, H. Koinuma, H. Ohno & M. Kawasaki
Physica E 21, 911-915 (2004).

• • High mobility electrons in SrTiO₃ heterostructures

H. Y. Hwang, A. Ohtomo, N. Nakagawa, D. A. Muller & J.L. Grazul
Physica E 22, 712-716 (2004).

• • Internal electric field effect on luminescence properties of ZnO/(Mg,Zn)O quantum wells

T. Makino, A. Ohtomo, C.H. Chia, Y. Segawa, H. Koinuma, & M. Kawasaki
Physica E 21, 671-675 (2004).

• • Surface depletion in doped SrTiO₃ thin films

A. Ohtomo & H. Y. Hwang
Applied Physics Letters 84, 1716-1718 (2004).

• • A high mobility electron gas at the LaAlO₃/SrTiO₃ heterointerface

A. Ohtomo & H. Y. Hwang
Nature 427, 423-426 (2004).
Corrigendum/Materials science: Enter the oxides

• • SIMS analysis for ZnO films co-doped with N and Ga by using temeprature gradient method in pulsed laser deposition

M. Sumiya, A. Tsukazaki, A. Ohtomo, S. Fuke, H. Koinuma & M. Kawasaki
Applied Surface Science 223, 206-209 (2004).

• • Modeling and simulation of polycrystalline ZnO thin film transistors

F. M. Hossain, J. Nishii, S. Takagi, A. Ohtomo, T. Fukumura, H. Fujioka, H. Ohno, H. Koinuma & M. Kawasaki
Journal of Applied Physics 94, 7768-7777 (2003).

• • Resonant exciton second-harmonic generation in self-assembled ZnO microcrystalline thin films

X.Q. Zhang, Z. K. Tang, M. Kawasaki, A. Ohtomo & H. Koinuma
Journal of Physics: Condensed Matter 15, 5191-5196 (2003).

• • Optical gain in self-assembled ZnO microcrystalline thin films

X.Q. Zhang, Z. K. Tang, M. Kawasaki, A. Ohtomo & H. Koinuma
Journal of Crystal Growth 259, 286-290 (2003).

• • Layer-by-layer growth of high-optical-quality ZnO film on atomically smooth and lattice relaxed ZnO buffer layer

A. Tsukazaki, A. Ohtomo, S. Yoshida, M. Kawasaki, C.H. Chia, T. Makino, Y. Segawa, T. Koida, S. F. Chichibu & H. Koinuma
Applied Physics Letters 83, 2784-2786 (2003).

• • Temperature quenching of exciton luminescence intensity in ZnO/(Mg, Zn)O multiple quantum wells

T. Makino, K. Tamura, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo & H. Koinuma
Journal of Applied Physics 93, 5929-5933 (2003).

• • High mobility thin film transistor with transparent ZnO channels

J. Nishii, F. M. Hossain, S. Takagi, T. Aita, K. Saikusa, Y. Ohmaki, I. Ohkubo, S. Kishimoto, A. Ohtomo, T. Fukumura, F. Matsukura, Y. Ohno, H. Koinuma, H. Ohno & M. Kawasaki
Japanese Journal of Applied Physics 42, L347-L349 (2003).

• • Confinement-enhanced biexciton binding energy in ZnO/ZnMgO multi-quantum wells

C.H. Chia, T. Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Applied Physics Letters 82, 1848-1850 (2003).

• • Quantitative control and detection of heterovalent impurities in ZnO thin films grown by pulsed laser deposition

M. Sumiya, S. Fuke, A. Tsukazaki, K. Tamura, A. Ohtomo, M. Kawasaki & H. Koinuma
Journal of Applied of Physics 93, 2562-2569 (2003).

• • Artificial charge-modulation in atomic-scale perovskite titanate superlattices

A. Ohtomo, D. A. Muller, J. L. Grazul & H. Y. Hwang
Nature 419, 378-380 (2002).

• • Radiative recombination of electron-hole pairs spatially separated due to quantum-confined Stark and Franz-Keldish effects in ZnO/Mg_0.27Zn_0.73O quantum wells

T. Makino, K. Tamura, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo & H. Koinuma
Applied Physics Letters 81, 2355-2357 (2002).

• • Effect of MgZnO-layer capping on optical properties of ZnO epitaxial layers

T. Makino, K. Tamura, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo & H. Koinuma
Applied Physics Letters 81, 2172-2174 (2002).

• • Epitaxial growth and electronic structure of LaTiO_x films

A. Ohtomo, D. A. Muller, J. L. Grazul & H. Y. Hwang
Applied Physics Letters 80, 3922-3924 (2002).

• • Photoluminescence properties of ZnO epitaxial layers grown on lattice-matched ScAlMgO₄ substrates

T. Makino, K. Tamura, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo & H. Koinuma
Journal of Applied Physics 92, 7157-7159 (2002).

• • Phonon replicas in ZnO/ZnMgO multiquantum wells

H.D. Sun, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. koinuma
Journal of Applied Physics 91, 6457-6460 (2002).

• • Enhancement of exciton binding energies in ZnO/ZnMgO multiquantum wells

H.D. Sun, T. Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinima
Journal of Applied Physics 91, 1993-1997 (2002).

• • Size dependence of exciton-longitudinal-optical-phonon coupling in ZnO/Mg_0.27Zn_0.73O quantum wells

T. Makino, K. Tamura, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo & H. Koinuma
Physical Review B 66, 233305 (3 pages) (2002).

• • Optical properties of ZnO: Al epilayers: Observation of room-temperature many-body absorption-edge singularity

T. Makino, K. Tamura, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo & H. Koinuma
Physical Review B 65, 121201 (4 pages) (2002).

• • High-throughput optical characterization for the development of a ZnO-based ultraviolet semiconductor-laser

T. Makino, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura, Y. Matsumoto & H. Koinuma
Applied Surface Science 189, 277-283 (2002).

• • Observation of biexciton emission in ZnO/ZnMgO multi-quantum wells

H.D. Sun, Y. Segawa, T. Makino, C.H. Chia, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Physical Status Solidi B 229, 867-870 (2002).

• • Well-width dependence of radiative and nonradiative lifetimes in ZnO-based multiple quantum wells

C.H. Chia, T. Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinma
Physical Status Solidi B 229, 863-866 (2002).

• • Optical properties of ZnO: Al epilayers and of undoped epilayers capped by wider-gap MgZnO grown by laser MBE

T. Makino, K. Tamura, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo & H. Koinuma
Physical Status Solidi B 229, 853-857 (2002).

• • Concurrent x-ray diffractometer for high throughput structural diagnosis of epitaxial thin films

M. Ohtani, T. Fukumura, M. Kawasaki, K. Omote, T. Kikuchi, J. Harada, A. Ohtomo, M. Lippmaa, T. Ohnishi, D. Komiyama, R. Takahashi, Y. Matsumoto & H. Koinuma
Applied Physics Letters 79, 3594-3596 (2001).

• • Strain effects on exciton resonance energies of ZnO epitaxial layers

T. Makino, T. Yasuda, Y. Segawa, A. Ohtomo, K. Tamura, M. Kawasaki & H. Koinuma
Applied Physics Letters 79, 1282-1284 (2001).

• • Parallel integration and characterization of nanoscaled epitaxial lattices by concurrent molecular layer epitaxy and diffractometry

T. Ohnishi, D. Komiyama, T. Koida, S. Ohashi, C. Stauter, H. Koinuma, A. Ohtomo, M. Lippmaa, N. Nakagawa, M. Kawasaki, T. Kikuchi & K. Omote
Applied Physics Letters 79, 536-538 (2001).

• • Biexciton emission from ZnO/Zn_0.74Mg_0.26O multi-quantum wells

H.D. Sun, T. Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Applied Physics Letters 78, 3385-3387 (2001).

• • Temperature dependence of excitonic absorption spectra in ZnO/Zn_0.88Mg_0.12O multiquantum wells grown on lattice-matched substrates

H.D. Sun, T. Makino, N.T. Tuan, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Applied Physics Letters 78, 2464-2466 (2001).

• • Temperature dependence of near ultraviolet photoluminescence in ZnO/(Mg, Zn)O multiple quantum wells

T. Makino, N.T. Tuan, H.D. Sun, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura, T. Suemoto, H. Akiyama, M. Baba, S. Saito, T. Tomita & H. Koinuma
Applied Physics Letters 78, 1979-1981 (2001).

• • Band gap engineering based on Mg_xZn_1-xO and Cd_yZn_1-yO ternary alloy films

T. Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, R. Shiroki, K. Tamura, T. Yasuda & H. Koinuma
Applied Physics Letters 78, 1237-1239 (2001).

• • Well-width dependence of radiative and nonradiative recombination times in ZnO/Mg_0.12Zn_0.88O multiple quantum wells

C.H. Chia, T, Makino, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Journal of Applied Physics 90, 3650-3652 (2001).

• • Excitonic localization in (Cd, Zn)O epilayers and (Cd, Zn)O/(Mg, Zn)O multi-quantum well on lattice-matched substrates

T. Makino, N.T. Tuan, C.H. Chia, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
International Journal of Modern Physics B 15, 3853-3856 (2001).

• • Stimulated emission induced by exciton-exciton scattering in ZnO/ZnMgO multiquantum wells up to room temperature

H.D. Sun, T. Makino, N.T. Tuan, Y. Segawa, Z. K. Tang, G. K. L. Wong, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Applied Physics Letters 77, 4250-4252 (2000).

• • Room-temperature stimulated emission of excitons in ZnO/(Mg, Zn)O superlattices

A. Ohtomo, K. Tamura, M. Kawasaki, T. Makino, Y. Segawa, Z. K. Tang, G. K. L. Wong, Y. Matsumoto & H. Koinuma
Applied Physics Letters 77, 2204-2206 (2000).

• • Radiative and nonradiative recombination processes in lattice-matched (Cd,Zn)O/(Mg,Zn)O multiquantum wells

T. Makino, C.H. Chia, N.T. Tuan, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Applied Physics Letters 77, 1632-1634 (2000).

• • Room-temperature luminescence of excitons in ZnO/(Mg, Zn)O multiple quantum wells on lattice-matched substrates

T. Makino, C.H. Chia, N.T. Tuan, H.D. Sun, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Applied Physics Letters 77, 975-977 (2000).

• • Exciton spectra of ZnO epitaxial layers on lattice-matched substrates grown with laser-molecular-beam epitaxy

T. Makino, C.H. Chia, N.T. Tuan, Y. Segawa, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Applied Physics Letters 76, 3549-3551 (2000).
Erratum

• • In-plane anisotropic strain of ZnO closely packed microcrystallites grown on tilted (0001) sapphire

F. Siah, Z. Yang, Z. K. Tang, G. K. L. Wong, M. Kawasaki, A. Ohtomo, H. Koinuma & Y. Segawa
Journal of Applied Physics 88, 2480-2483 (2000).

• • Growth mode and surface morphology of a GaN film deposited along the N-face polar direction on c-plane sapphire substrate

M. Sumiya, K. Yoshimura, T. Ito, K. Ohtsuka, S. Fuke, K. Mizuno, M. Yoshimoto, H. Koinuma, A. Ohtomo & M. Kawasaki
Journal of Applied Physics 88, 1158-1165 (2000).

• • Optical and photoelectrical properties of oriented ZnO films

J. W. Tomm, B. Ullrich, X.G. Qiu, Y. Segawa, A. Ohtomo, M. Kawasaki & H. Koinuma
Journal of Applied Physics 87, 1844-1848 (2000).

• • Optical spectra in ZnO thin films on lattice-matched substrates grown with laser-MBE method

T. Makino, G. Isoya, Y. Segawa, C.H. Chia, T. Yasuda, M. Kawasaki, A. Ohtomo, K. Tamura & H. Koinuma
Journal of Crystal Growth 214, 289-293 (2000).

• • Lateral grain size and electron mobility in ZnO epitaxial films grown on sapphire substrates

A. Ohtomo, H. Kimura, K. Saito, T. Makino, Y. Segawa, H. Koinuma & M. Kawasaki
Journal of Crystal Growth 214, 284-288 (2000).

• • Epitaxial growth of ZnO films on lattice-matched ScAlMgO₄(0001) substrates

K. Tamura, A. Ohtomo, K. Saikusa, Y. Osaka, T. Makino, Y. Segawa, M. Sumiya, S. Fuke, H. Koinuma & M. Kawasaki
Journal of Crystal Growth 214, 59-62 (2000).

• • Combinatorial laser MBE synthesis of 3d ion doped epitaxial ZnO thin films

Z.W. Jin, M. Murakami, T. Fukumura, Y. Matsumoto, A. Ohtomo, M. Kawasaki & H. Koinuma
Journal of Crystal Growth 214, 55-588 (2000).

• • Concept and development of combinatorial laser MBE for oxide electronics

H. Koinuma, M. Kawasaki, T. Itoh, A. Ohtomo, M. Murakami, Z.W. Jin & Y. Matsumoto
Physica C 335, 245-250 (2000).

• • Investigation of ZnO/sapphire interface and formation of ZnO nanocrystalline by laser MBE

I. Ohkubo, Y. Matsumoto, A. Ohtomo, T. Ohnishi, A. Tsukazaki, M. Lippmaa, H. Koinuma & M. Kawasaki
Applied Surface Science 159, 514-519 (2000).

• • Temperature dependence of four-wave-mixing spectra in ZnO thin films on sapphire substrates grown with laser MBE

T. Makino, N.T. Tuan, Y. Segawa, C.H. Chia, A. Ohtomo, M. Kawasaki & H. Koinuma
Journal of Luminescence 87-89, 210-212 (2000).

• • Novel semiconductor technologies of ZnO films towards ultraviolet LEDs and invisible FETs

A. Ohtomo & M. Kawasaki
IEICE Transactions on Electronics E83C, 1614-1617 (2000).

• • Thermal stability of supersaturated Mg_xZn_1-xO alloy films and Mg_xZn_1-xO/ZnO heterointerfaces

A. Ohtomo, R. Shiroki, I. Ohkubo, H. Koinuma & M. Kawasaki
Applied Physics Letter 75, 4088-4090 (1999).

• • An oxide-diluted magnetic semiconductor: Mn-doped ZnO

T. Fukumura, Z.W. Jin, A. Ohtomo, H. Koinuma & M. Kawasaki
Applied Physics Letter 75, 3366-3368 (1999).

• • Single crystalline ZnO films grown on lattice-matched ScAlMgO₄(0001) substrates

A. Ohtomo, K. Tamura, K. Saikusa, K. Takahashi, T. Makino, Y. Segawa, H. Koinuma & M. Kawasaki
Applied Physics Letter 75, 2635-2637 (1999).

• • Structure and optical properties of ZnO/Mg_0.2Zn_0.8O superlattices

A. Ohtomo, M. Kawasaki, I. Ohkubo, H. Koinuma, T. Yasuda & Y. Segawa
Applied Physics Letter 75, 980-982 (1999).

• • Combinatorial laser molecular beam epitaxy (MBE) growth of Mg-Zn-O alloy for band gap engineering

Y. Matsumoto, M. Murakami, Z.W. Jin, A. Ohtomo, M. Lippmaa, M. Kawasaki & H. Koinuma
Japanese Journal of Applied Physics 38, L603-L605 (1999).

• • In-plane and polar orientations of ZnO thin films grown on atomically flat sapphire

I. Ohkubo, A. Ohtomo, T. Ohnishi, Y. Matsumoto, H. Koinuma & M. Kawasaki
Surface Science 443, L1043-L1048 (1999).

• • Control of the polarity and surface morphology of GaN films deposited on c-plane sapphire

M. Sumiya, T. Ohnishi, M. Tanaka, A. Ohtomo, M. Kawasaki, M. Yoshimoto, H. Koinuma, K. Ohtsuka & S. Fuke
MRS Internet Journal of Nitride Semiconductor Research 4, U642-U649 (1999).

• • Room-temperature ultraviolet laser emission from self-assembled ZnO microcrystallite thin films

Z. K. Tang, G. K. L. Wong, P. Yu, M. Kawasaki, A. Ohtomo, H. Koinuma & Y. Segawa
Applied Physics Letter 72, 3270-3272 (1998).

• • Mg_xZn_1-xO as a II-VI widegap semiconductor alloy

A. Ohtomo, M. Kawasaki, T. Koida, K. Masubuchi, H. Koinuma, Y. Sakurai, Y. Yoshida, T. Yasuda & Y. Segawa
Applied Physics Letter 72, 2466-2468 (1998).

• • Determination of surface polarity of c-axis oriented ZnO films by coaxial impact-collision ion scattering spectroscopy

T. Ohnishi, A. Ohtomo, M. Kawasaki, K. Takahashi, M. Yoshimoto & H. Koinuma
Applied Physics Letter 72, 824-826 (1998).

• • Fabrication of alloys and superlattices based on ZnO towards ultraviolet laser

A. Ohtomo, M. Kawasaki, Y. Sakurai, I. Ohkubo, R. Shiroki, Y. Yoshida, T. Yasuda, Y. Segawa & H. Koinuma
Materials Science and Engineering B 56, 263-266 (1998).

• • Coaxial impact-collision ion scattering spectroscopy analysis of ZnO thin films and single crystals

T. Ohnishi, A. Ohtomo, I. Ohkubo, M. Kawasaki, M. Yoshimoto & H. Koinuma
Materials Science and Engineering B 56, 256-262 (1998).

• • Excitonic ultraviolet laser emission at room temperature from naturally made cavity in ZnO nanocrystal thin films

M. Kawasaki, A. Ohtomo, I. Ohkubo, H. Koinuma, Z. K. Tang, P. Yu, G. K. L. Wong, B.P. Zhang & Y. Segawa
Materials Science and Engineering B 56, 239-245 (1998).

• • Atom technology for Josephson tunnel junctions: SrTiO₃ substrate surface

M. Lippmaa, K. Takahashi, A. Ohtomo, S. Ohashi, T. Ohnishi, N. Nakagawa, T. Sato, M. Iwatsuki, H. Koinuma & M. Kawasaki
Materials Science and Engineering B 56, 111-116 (1998).

• • Room temperature ultraviolet laser emission from ZnO nanocrystal thin films grown by laser MBE

A. Ohtomo, M. Kawasaki, Y. Sakurai, Y. Yoshida, H. Koinuma, P. Yu, Z. K. Tang, G. K. L. Wong, Y. Segawa
Materials Science and Engineering B 54, 24-28 (1998).

• • GaN growth on ozonized sapphire (0001) substrates by MOVPE

T. Honda, A. Inoue, M. Mori, T. Shirasawa, N. Mochida, K. Saotome, T. Sakaguchi, A. Ohtomo, M. Kawasaki, H. Koinuma, F. Koyama & K. Iga
Journal of Crystal Growth 195, 319-322 (1998).

• • Room-temperature gain spectra and lasing in microcrystalline ZnO thin films

P. Yu, Z. K. Tang, G. K. L. Wong, M. Kawasaki, A. Ohtomo, H. Koinuma & Y. Segawa
Journal of Crystal Growth 185, 601-604 (1998).

• • Observation of SrTiO₃ step edge dynamics by real-time high-temperature STM

M. Lippmaa, M. Kawasaki, A. Ohtomo, T. Sato, M. Iwatsuki & H. Koinuma
Applied Surface Science 132, 582-586 (1998).

• • Dimension controlled epitaxy of quantum functional oxide thin films by pulsed-laser processes

H. Koinuma, X.G. Qiu, R. Tsuchiya, N. Kanda, J. Nishino, A. Ohtomo & M. Kawasaki
Applied Surface Science 129, 403-409 (1998).

• • Excitonic gain and laser emission in ZnO microcrystallites at room temperature

P. Yu, Z. K. Tang, G. K. L. Wong, M. Kawasaki, A. Ohtomo, H. Koinuma & Y. Segawa
Physics of Low-Dimensional Structures 1-2, 243-251 (1998).

• • Lasing of exciton at room temperature in ZnO quantum dots thin films

Y. Segawa, A. Ohtomo, M. Kawasaki, H. Koinuma, Z. K. Tang, P. Yu & G. K. L. Wong
RIKEN Review 17, 19-20 (1998).

• • Growth of ZnO thin film by laser MBE: Lasing of exciton at room temperature

Y. Segawa, A. Ohtomo, M. Kawasaki, H. Koinuma, Z. K. Tang, P. Yu & G. K. L. Wong
Physical Status Solidi B 202, 669-672 (1997).

• • Ultraviolet spontaneous and stimulated emissions from ZnO microcrystallite thin films at room temperature

P. Yu, Z. K. Tang, G. K. L. Wong, M. Kawasaki, A. Ohtomo, H. Koinuma & Y. Segawa
Solid State Communications 103, 459-463 (1997).

• • Laser MBE of ceramic thin films for future electronics

H. Koinuma, N. Kanda, J. Nishino, A. Ohtomo, H. Kubota, M. Kawasaki & M. Yoshimoto
Applied Surface Science 110, 514-519 (1997).

• • Construction and superfunction of metal-oxide nanostructures and interfaces

M. Kawasaki, R. Tsuchiya, N. Kanda, A. Ohtomo & H. Koinuma
Science reports of the Research Institutes, Tohoku University A44, 207-210 (1997).

• • Atomic control of SrTiO₃ surface for perfect epitaxy of perovskite oxides

M. Kawasaki, A. Ohtomo, T. Arakane, K. Takahashi, M. Yoshimoto & H. Koinuma
Appl. Surf. Sci. 107, 102-106 (1996).

• • Advanced processing and characterization of SrTiO₃ single crystals and bicrystals for high-Tc superconducting film substrate

K. Takahashi, A. Ohtomo, M. Kawasaki & H. Koinuma
Materials Science and Engineering B 41, 152-156 (1996).

 

• • 金属酸化物ヘテロ接合の界面伝導

大友　明
応用物理 81 (12)，1002-1008 (2012).

• • 酸化亜鉛系分極不整合界面の2次元伝導と導電性高分子を用いた伝導性制御

塚崎　敦，中野匡規，大友　明，上野和紀，赤坂俊輔，湯地洋行，中原　健，福村知昭，川崎雅司
まてりあ 49(7)，312 (2010).

• • STEMによるLaドープSrTiO3人工超格子薄膜の原子構造解析

斎藤光浩，着本　享，王　中長，幾原雄一，溝口照康，奥出正樹，大友　明，川崎雅司，木太拓志
まてりあ 48 (12)，595 (2009).

• • 酸化亜鉛系薄膜トランジスタ

大友　明，川崎雅司
月刊ディスプレイ 15 (4)，26-31 (2009).

• • ペロブスカイト酸化物界面の原子層成長制御

大友　明
機能材料 28 (3)，15-20 (2008).

• • ZnOヘテロ接合の表面・界面制御と量子伝導

大友　明，塚崎　敦，川崎雅司
表面科学 29 (1)，10-17 (2008).

• • ZnO/MgZnO界面における量子ホール効果

塚崎　敦，大友　明，北　智洋，大野裕三，大野英男，川崎雅司
固体物理 42 (9)，559-567 (2007).

• • 非磁性絶縁体の境界が強磁性金属に

大友　明
パリティ 22 (10), 39-42 (2007).

• • Invisible electronics now in sight

A. Ohtomo
The Japan Journal, 4 (3), 27 (2007).

• • 目に見えない電子回路につながる半導体技術 －透明な酸化物半導体の量子ホール効果を世界で初めて観測－

大友　明
電子情報通信学会誌 90 (7) 563-564 (2007).

• • ZnOの量子ホール効果

大友　明，塚崎　敦，北　智洋，大野裕三，大野英男，川崎雅司
応用電子物性分科会誌 13 (2) 73-78 (2007).

• • 21世紀を照らす光　－酸化亜鉛発光ダイオード

大友　明，塚崎　敦，川崎雅司
パリティ 21 (1)，24-26 (2006).

• • ZnO青色発光ダイオード

塚崎　敦，大友　明，川崎雅司
応用物理 74 (10), 1359-1364 (2005).

• • 酸化亜鉛発光ダイオード　～結晶品質の向上がもたらした古い材料の新たな応用～

塚崎　敦，大友　明，川崎雅司
セラミックス 40 (9)，749-751 (2005).

• • Pulsed laser deposition of thin films and superlattices based on ZnO

A. Ohtomo and A. Tsukazaki
Semicond. Sci. Technol. 20, S1-S12 (2005).

• • Exciton-polariton spectra and limiting factors for the room-temperature photoluminescence efficiency in ZnO

S. F. Chichibu, A. Uedono, A. Tsukazaki, T. Onuma, M. Zamfirescu, A. Ohtomo, A. Kavokin, G. Cantwell, C. W. Litton, T. Sota and M. Kawasaki
Semicond. Sci. Technol. 20, S67-S77 (2005).

• • バッファー層による酸化物へテロエピタキシーの格子不整合エンジニアリング

川崎雅司，寺井恒太，塚崎　敦，大西　剛，大友　明，リプマー ミック
日本結晶成長学会誌 32 (2)，74-81 (2005).

• • 酸化亜鉛電界効果デバイス

大友　明，川崎雅司，大野英男
固体物理 40 (6)，407-414 (2005).

• • 酸化亜鉛電界効果デバイスの進展と課題

大友　明，川崎雅司，大野英男
応用電子物性分科会誌 11 (1)，26-33 (2005).

• • 一格子層の結晶成長から生まれる新しい物理

大友　明，ファン ハロルド
パリティ 19 (5)，18-25 (2004).

• • SrTiO3ヘテロ構造の高移動度電子輸送

大友　明，ファン ハロルド
応用物理 73 (5)，605-609 (2004).

• • バンド絶縁体-モット絶縁体界面の電荷変調と金属伝導

大友　明
日本物理学会誌 58 (6)，425-429 (2003).

• • 酸化亜鉛紫外レーザー

田村謙太郎，大友　明，川崎雅司
マテリアルインテグレーション 12 (9)，9-14 (1999).

• • ZnOナノ結晶からの室温励起子レーザー発振

川崎雅司，大友　明
固体物理 33 (1)，59-64 (1998).

• • 酸化物で紫外線レーザーを創る

大友　明，川崎雅司
パリティ 13 (3)，48-52 (1998).

 

• • ポストシリコン半導体―ナノ成膜ダイナミクスと基板・界面効果―

共著　（第2編第5章第1節　次世代半導体としての酸化物半導体の信頼性と可能性，p. 231-p. 239），株式会社エヌ・ティー・エス (2013).

• • バンドギャップエンジニアリング ―次世代高効率デバイスへの挑戦―

共著　（第I編第3章　半導体ヘテロ接合のバンド構造と分極効果），シーエムシー出版 (2011).

• • Nanoparticle Technology Handbook, Elsevier (2007)

A. Ohtomo (5.6 Evaluation methods for heterostructures).

• • Wide Bandgap Semiconductors and Related Optoelectronic Devices, Springer-Verlag GmbH (2007)

M. Kawasaki and A. Ohtomo (3.3.2 ZnO LEDs).

• • ナノパーティクルテクノロジーハンドブック，日刊工業新聞社 (2006).

共著　（第5章6節　薄膜の構造測定法, p. 292-p. 295）

• • ワイドギャップ半導体光・電子デバイス，森北出版 (2006).

共著　（第3章3節2項　ZnO系LED）

• • 物理学辞典　-3訂版，培風館 (2005).

共著　（チタン酸ストロンチウム）

• • コンビナトリアルテクノロジー　-明日を開く”もの作り”の新世界，丸善 (2004).

共著　（第6章3節1項　ZnO量子井戸構造の迅速最適化）

 

• • 人工格子が切り拓く酸化物エレクトロニクス

大友　明
東京工業大学同窓会誌・蔵前ジャーナル 1027，46-49 (2011).

• • 固体照明光源に最適化したZnO量子井戸の設計と作製

川崎雅司，大友　明
財団法人JFE21世紀財団2007年度大学研究助成技術研究報告書 153-158 (2008).

• • The future springs from inquiring young minds – Riding on the wind across the rough seas of leading-edge science –

A. Ohtomo
Tohoku University, Tohoku University (2007), p. 60.

• • 未来は若い探究心の中から生まれてくる-最先端科学の荒海を風にのって渡っていく-

大友　明
東北大学（100周年記念出版），東北大学発行 (2007)，p. 60

• • ポスドク留学記-科学のびっくり箱　-ベル研究所-物理部門-

大友　明
現代化学 385，70-73 (2003).

• • ZnOエキシトンレーザー

川崎雅司，大友　明，鯉沼秀臣，Z. K. Tang，P. Yu，G. K. L. Wong，瀬川勇三郎
第25回応物薄膜・表面セミナー 39-44 (1997).

• • ZnOの量子構造の形成と室温レーザー発振

川崎雅司，大友　明，鯉沼秀臣，Z. K. Tang，P. Yu，G. K. L. Wong，瀬川勇三郎
日本学術振興会第162（短波長光デバイス）委員会-第6回研究会資料 54-59 (1997).

• • Study of SrTiO3 surface dynamics by real-time STM at high temperatures

Mikk Lippmaa，大友　明，川崎雅司
未来開拓研究ニュースレター2号 35-37 (1997).

• • ZnOの量子構造の形成と室温レーザー発振

大友　明，川崎雅司，鯉沼秀臣，Z. K. Tang，P. Yu，G. K. L. Wong，瀬川勇三郎
未来開拓研究ニュースレター2号 38-39 (1997).

• • 表面界面・ハイヤーオーダーエピタキシ

大友　明，川崎雅司
電子協酸化物エレクトロニクス研究報告書II 135 (1997).

• • 酸化物表面の電子構造

川崎雅司，大橋　智，大友　明，北嶋敏和
電子協酸化物エレクトロニクス研究報告書I 241-252 (1996).

• • 新機能　-光物性

大友　明，川崎雅司
電子協酸化物エレクトロニクス研究報告書I 161 (1996).