Concepedia

T. Koyama

TK

Statistics

Publications

19

Citations

823

H-Index

14

Active since

1974

Affiliations

Japan Science and Technology Agency(Current)

University of Tsukuba

University of California, Santa Barbara

Tohoku University

Advanced Science Research Center

T. Koyama is an author at Japan Science and Technology Agency specializing in natural sciences, materials science, and physics.

Publications per year

1974–2014

19

Publications

19

Electromagnetic phenomena related to a low-frequency plasma in cuprate superconductors

M. Tachiki, T. Koyama, S. Takahashi · Physical review. B, Condensed matter · 1994 · 294 citations · Full text

Natural Sciences, Physics, Condensed Matter Physics +15

Relation between Al vacancies and deep emission bands in AlN epitaxial films grown by NH3-source molecular beam epitaxy

T. Koyama, M. Sugawara, Takuya Hoshi et al. · Applied Physics Letters · 2007 · 77 citations · Full text

Natural Sciences, Materials Engineering, Materials Science +16

Al- and N-polar AlN layers grown on c-plane sapphire substrates by modified flow-modulation MOCVD

M. Takeuchi, Hiroshi Shimizu, Ryo Kajitani et al. · Journal of Crystal Growth · 2007 · 76 citations

Natural Sciences, Materials Engineering, Materials Science +14

Prospective emission efficiency and in-plane light polarization of nonpolar m-plane InxGa1−xN∕GaN blue light emitting diodes fabricated on freestanding GaN substrates

T. Koyama, Takeyoshi Onuma, Hisashi Masui et al. · Applied Physics Letters · 2006 · 73 citations · Full text

Engineering, Electrical Engineering, Materials Science +17

Distinction between some saccharides in scattered optical sum frequency intensity images

Goro Mizutani, T. Koyama, S. Tomizawa et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2005 · 32 citations · Full text

Natural Sciences, Physics, Optics +8

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