Masakazu KOBAYASHI

TEL : 03-5286-3795　 FAX : 03-5286-3771
e-mail : cosmos@waseda.jp
Kobayashi Lab

　(b. 1961) B.S. (1983, Waseda University), Dr. Eng. (1988, Tokyo Institute of Technology), Post Doc. Res. Assoc. (1988, Purdue Univ. USA), Visiting Assist. Prof. (1990, Purdue Univ. USA), Principal Research Scientist (1991, Purdue Univ. USA), Assoc. Prof. (1992, Chiba Univ.), Prof. (2000, Waseda Univ.)

Research

　Many human-made and natural materials utilize electrons and photons, and the behaviors of photons and electrons are key issues to realize novel future device structures. The microscopic understanding of those materials to the extent of quantum physics, electron physics, and so on, would result in the contribution to future device concepts. We grow materials by MBE, and characterize its optical and electronic properties by various conventional and state-of-the-art techniques.
Natural materials represented by the human body would use a lot of electron and photon interactions, too. The understanding of those behaviors would help diagnostics of early cancers. The room temperature photoluminescence (which is a conventional method to characterize semiconductor materials) of human body, for example, provides various useful information including early cancers.The research field covers various materials and their electronic and optical structures.

Representative publications

Molecular Beam Epitaxial Glowth of ZnMgCdS Layers and the Application to UV-A Photodetectors, Masaaki ENAMI, Kazuaki TSUTSUMI, Fumiaki HIROSE, Shohei KATSUTA, and Masakazu KOBAYASHI, Jpn. J. Appl. Phys. Vol.42 （2003） No.9AB pp.L1047-L1049
Low Temperature Treatment of the （001） ZnTe Substrate Surface with the Assist of Atomic Hydrogen, K. Tsutsumi, H. Terakado, M. Enami, and M. Kobayashi, J. Vac. Sci. Technol. B 21, 1959-1962 （2003）
Spectroscopic Imaging and the Characterization of the Autofluorescence Properties of Human Bronchus Tissues using Ultra-violet laser diodes, Masakazu Kobayashi, Rina Sawada, and Yasuhiro Ueda, IEEE Journal of Selected Topics in Quantum Electronics, Vol.9 （2003） No.2, 142-147


Green Autofluorescence from human bronchus	Green Electroluminescence from CdS quantum dot based LED