Concepedia
Statistics
Publications
19
Citations
817
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 engineering, applied physics, and physics.
Top concepts
EngineeringApplied PhysicsPhysicsOptoelectronicsElectrical EngineeringMaterial ScienceChemistrySemiconductorsNatural SciencesQuantum Materials
Publications per year
1974–2014
Electromagnetic phenomena related to a low-frequency plasma in cuprate superconductors
M. Tachiki, T. Koyama, S. Takahashi · Physical review. B, Condensed matter · 1994 · 292 citations
Plasma Waves, Cuprate Superconductors, Plasma Electronics +11
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
Materials Science, Materials Engineering, Aluminium Nitride +9
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 · 76 citations
Aluminium Nitride, Al Vacancies, Engineering +20
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
Polarization Fields, Optical Materials, Engineering +22
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 · 31 citations
Engineering, Optical Properties, Spectroscopy +2
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