"T. I. Suzuki,A. Ohtomo,A. Tsukazaki,F. Sato,J. Nishii,H. Ohno,M. Kawasaki","Hall and field-effect mobilities of electrons accumulated at a lattice-matched ZnO/ScAIMgO<sub>4</sub> heterointerface",,"Advanced Materials",,"Vol. 16","No. 21","pp. 1887-1890",2004,Nov.
"Akira Ohtomo","ZnO量子井戸構造の迅速最適化",,"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,Aug.
"T. Makino,Y. Segawa,S. Yoshida,A. Tsukazaki,A. Ohtomo,M. Kawasaki","Gallium concentration dependence of room-temperature near-band-edge luminescence in n-type ZnO : Ga",,"Applied Physics Letters",,"Vol. 85","No. 5","pp. 759-761",2004,Aug.
"D. A. Muller,N. Nakagawa,A. Ohtomo,J. L. Grazul,H. Y. Hwang","Atomic-scale imaging of nanoengineered oxygen vacancy profiles in SrTiO<sub>3</sub>",,"Nature",,"Vol. 430","No. 7000","pp. 657-661",2004,Aug.
"J. Nishimura,A. Ohtomo,A. Ohkubo,Y. Murakami,M. Kawasaki","Controlled carrier generation at a polarity-discontinued perovskite heterointerface",,"Japanese Journal of Applied Physics Part 2-Letters & Express Letters",,"Vol. 43","No. 8A","pp. L1032-L1034",2004,Aug.
"A. Tsukazaki,A. Ohtomo,M. Kawasaki,T. Makino,C. H. Chia,Y. Segawa,H. Koinuma","Emission from the higher-order excitons in ZnO films grown by laser molecular-beam epitaxy",,"Applied Physics Letters",,"Vol. 84","No. 19","pp. 3858-3860",2004,May
"Akira Ohtomo,Harold Y. Hwang","SrTiO<sub>3</sub>ヘテロ構造の高移動度電子輸送",,"応用物理",,"Vol. 73","No. 5","pp. 605-609",2004,May
"Akira Ohtomo,Harold Y. Hwang","一格子層の結晶成長から生まれる新しい物理",,"パリティ",,"Vol. 19","No. 5","p. 18-25",2004,May
"H. Y. Hwang,A. Ohtomo,N. Nakagawa,D. A. Muller,J. L. Grazul","High-mobility electrons in SrTiO<sub>3</sub> heterostructures",,"Physica E-Low-Dimensional Systems & Nanostructures",,"Vol. 22","No. 1-3","pp. 712-716",2004,Apr.
"F. M. Hossain,J. Nishii,S. Takagi,T. Sugihara,A. Ohtomo,T. Fukumura,H. Koinuma,H. Ohno,M. Kawasaki","Modeling of grain boundary barrier modulation in ZnO invisible thin film transistors",,"Physica E-Low-Dimensional Systems & Nanostructures",,"Vol. 21","No. 2-4","pp. 911-915",2004,Mar.
"X. Q. Zhang,Z. K. Tang,M. Kawasaki,A. Ohtomo,H. Koinuma","Second harmonic generation in self-assembled ZnO microcrystallite thin films",,"Thin Solid Films",,"Vol. 450","No. 2","pp. 320-323",2004,Mar.
"A. Ohtomo,H. Y. Hwang","Surface depletion in doped SrTiO<sub>3</sub> thin films",,"Applied Physics Letters",,"Vol. 84","No. 10","pp. 1716-1718",2004,Mar.
"T. Makino,A. Ohtomo,C. H. Chia,Y. Segawa,H. Koinuma,M. Kawasaki","Internal electric field effect on luminescence properties of ZnO/(Mg,Zn)O quantum wells",,"Physica E-Low-Dimensional Systems & Nanostructures",,"Vol. 21","No. 2-4","pp. 671-675",2004,Mar.
"M. Sumiya,A. Tsukazaki,S. Fuke,A. Ohtomo,H. Koinuma,M. Kawasaki","SIMS analysis of ZnO films co-doped with N and Ga by temperature gradient pulsed laser deposition",,"Applied Surface Science",,"Vol. 223","No. 1-3","pp. 206-209",2004,Feb.
"A. Ohtomo,H. Y. Hwang","A high-mobility electron gas at the LaAlO<sub>3</sub>/SrTiO<sub>3</sub> heterointerface",,"Nature",,"Vol. 427","No. 6973","pp. 423-426",2004,Jan.