Prof. Masashi Kawasaki Profile

Prof. Masashi Kawasaki

at Tohoku Univ

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 25 March 2011 Paper

Emergence of superconductivity on a SrTiO3 surface by electric-field charge accumulation

K. Ueno, S. Nakamura, H. Shimotani, T. Nojima, Y. Iwasa, M. Kawasaki

Proceedings Volume 7940, 79400Q (2011) https://doi.org/10.1117/12.879922

KEYWORDS: Superconductivity, Dielectrics, Semiconductors, Resistance, Oxides, Transistors, Doping, Electrodes, Superconductors, Technetium

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Proceedings Article | 23 March 2011 Paper

Fabrication of ZnO channel waveguides for nonlinear optical applications

Edgar Yoshio Morales Teraoka, Tomohiro Kita, Atsushi Tsukazaki, Masashi Kawasaki, Hirohito Yamada

Proceedings Volume 7940, 79401F (2011) https://doi.org/10.1117/12.874439

KEYWORDS: Etching, Zinc oxide, Waveguides, Argon, Channel waveguides, Ions, Thin films, Wave propagation, Protactinium, Crystals

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Proceedings Article | 15 February 2008 Paper

MgxZn1-xO epitaxial films grown on ZnO substrates by molecular beam epitaxy

H. Yuji, K. Nakahara, K. Tamura, S. Akasaka, A. Sasaki, T. Tanabe, H. Takasu, T. Onuma, S. Chichibu, A. Tsukazaki, A. Ohtomo, M. Kawasaki

Proceedings Volume 6895, 68950D (2008) https://doi.org/10.1117/12.774974

KEYWORDS: Zinc oxide, Zinc, Molecular beam epitaxy, Magnesium, Atomic force microscopy, Oxygen, Plasma, Excitons, Semiconductors, Ultraviolet radiation

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Proceedings Article | 2 March 2006 Paper

Two different features of ZnO: transparent ZnO:Ga electrodes for InGaN-LEDs and homoepitaxial ZnO films for UV-LEDs

K. Nakahara, H. Yuji, K. Tamura, S. Akasaka, H. Tampo, S. Niki, A. Tsukazaki, A. Ohtomo, M. Kawasaki

Proceedings Volume 6122, 61220N (2006) https://doi.org/10.1117/12.660552

KEYWORDS: Zinc oxide, Light emitting diodes, Nitrogen, Gallium nitride, Electrodes, Sapphire, Oxygen, Gallium, Indium gallium nitride, Ultraviolet radiation

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Proceedings Article | 9 July 2001 Paper

Nanostructures in oxide thin films: dots, wires, and rings

Mikk Lippmaa, Kota Terai, Naoyuki Nakagawa, Keisuke Shibuya, Masashi Kawasaki, Hideomi Koinuma

Proceedings Volume 4467, (2001) https://doi.org/10.1117/12.432925

KEYWORDS: Oxides, Nanostructures, Diffusion, Thin films, Crystals, Annealing, Atomic force microscopy, Pulsed laser deposition, Scanning tunneling microscopy, Nanowires

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Proceedings Article | 23 April 2001 Paper

Optically pumped stimulated emission in ZnO/ZnMgO multiple quantum wells prepared by combinatorial techniques

Handong Sun, Takayuki Makino, Tien Nguyen, Yusaburo Segawa, ZiKang Tang, George Wong, Masashi Kawasaki, Akira Ohtomo, Kentaro Tamura, Hideomi Koinuma

Proceedings Volume 4281, (2001) https://doi.org/10.1117/12.424747

KEYWORDS: Excitons, Zinc oxide, Scattering, Quantum wells, Laser scattering, Temperature metrology, Plasma, Optical pumping, Dye lasers, Edge emitting semiconductor lasers

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Proceedings Article | 23 April 2001 Paper

Temperture-gradient and composition-spread deposition of epitaxial oxide films and high-throughput characterization

Tomoteru Fukumura, M. Ohtani, J. Nishimura, T. Kageyama, Takashi Koida, Mikk Lippmaa, Masashi Kawasaki, Tetsuya Hasegawa, Hideomi Koinuma

Proceedings Volume 4281, (2001) https://doi.org/10.1117/12.424755

KEYWORDS: Magnetism, Thin films, Pulsed laser operation, Excimer lasers, Laser development, Microscopes, Oxides, Nd:YAG lasers, Photography, Ferromagnetics

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Proceedings Article | 23 April 2001 Paper

Well-width dependence of exciton-phonon coupling strength in ZnO/(Mg,Zn)O multiple quantum wells grown by combinatorial laser molecular beam epitaxy

Takayuki Makino, Handong Sun, Tien Nguyen, Yusaburo Segawa, Chinhau Chia, Masashi Kawasaki, Akira Ohtomo, Kentaro Tamura, Hideomi Koinuma

Proceedings Volume 4281, (2001) https://doi.org/10.1117/12.424746

KEYWORDS: Excitons, Zinc oxide, Absorption, Quantum wells, Copper, Phonons, Nonlinear optics, Crystals, Temperature metrology, Oxides

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