T. Sota

6.4k total citations · 3 hit papers
93 papers, 5.3k citations indexed

About

T. Sota is a scholar working on Condensed Matter Physics, Atomic and Molecular Physics, and Optics and Materials Chemistry. According to data from OpenAlex, T. Sota has authored 93 papers receiving a total of 5.3k indexed citations (citations by other indexed papers that have themselves been cited), including 65 papers in Condensed Matter Physics, 63 papers in Atomic and Molecular Physics, and Optics and 43 papers in Materials Chemistry. Recurrent topics in T. Sota's work include GaN-based semiconductor devices and materials (62 papers), Semiconductor Quantum Structures and Devices (52 papers) and ZnO doping and properties (28 papers). T. Sota is often cited by papers focused on GaN-based semiconductor devices and materials (62 papers), Semiconductor Quantum Structures and Devices (52 papers) and ZnO doping and properties (28 papers). T. Sota collaborates with scholars based in Japan, United States and Germany. T. Sota's co-authors include Shigefusa F. Chichibu, Shuji Nakamura, T. Azuhata, K. Suzuki, Steven P. DenBaars, Takahiro Deguchi, Takeyoshi Onuma, Akira Uedono, M. Kawasaki and S. Keller and has published in prestigious journals such as Physical review. B, Condensed matter, Applied Physics Letters and Journal of Applied Physics.

In The Last Decade

T. Sota

91 papers receiving 5.2k citations

Hit Papers

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What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Spontaneous emission of localized excitons in InGaN single and multiquantum well structures

1996 1.0k citations Shigefusa F. Chichibu, T. Azuhata et al. Applied Physics Letters profile →
Luminescences from localized states in InGaN epilayers

1997 347 citations Shigefusa F. Chichibu, T. Azuhata et al. Applied Physics Letters profile →
Polarized Raman spectra in GaN

1995 241 citations T. Azuhata, T. Sota et al. Journal of Physics Condensed Matter profile →

Peers

Countries citing papers authored by T. Sota

Since Specialization

Citations

This map shows the geographic impact of T. Sota's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by T. Sota with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T. Sota more than expected).

Fields of papers citing papers by T. Sota

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by T. Sota. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by T. Sota. The network helps show where T. Sota may publish in the future.

Co-authorship network of co-authors of T. Sota

This figure shows the co-authorship network connecting the top 25 collaborators of T. Sota. A scholar is included among the top collaborators of T. Sota based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with T. Sota. T. Sota is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Melanoma screening system using hyperspectral imager attached to imaging fiberscope 2012 ·PubMed ·Takashi Nagaoka, Atsushi Nakamura, Yoshio Kiyohara, T. Sota	13
2	Origin of localized excitons in In-containing three-dimensional bulk (Al,In,Ga)N alloy films probed by time-resolved photoluminescence and monoenergetic positron annihilation techniques 2007 ·The Philosophical Magazine A Journal of Theoretical Experimental and Applied Physics ·Shigefusa F. Chichibu, Akira Uedono, Takeyoshi Onuma, B. A. Haskell, A. Chakraborty, T. Koyama, P. Fini, S. Keller, Steven P. DenBaars, James S. Speck, Umesh K. Mishra, Shuji Nakamura, S. Yamaguchi, Satoshi Kamiyama, Hiroshi Amano, Isamu Akasaki, Jung Han, T. Sota	26
3	Radiative and nonradiative lifetimes in nonpolar m-plane InxGa1−xN∕GaN multiple quantum wells grown on GaN templates prepared by lateral epitaxial overgrowth 2007 ·Journal of Vacuum Science & Technology B Microelectronics and Nanometer Structures Processing Measurement and Phenomena ·Takeyoshi Onuma, T. Koyama, A. Chakraborty, Melvin McLaurin, B. A. Haskell, P. Fini, S. Keller, Steven P. DenBaars, James S. Speck, Shuji Nakamura, Umesh K. Mishra, T. Sota, Shigefusa F. Chichibu	21
4	Recombination dynamics of a 268nm emission peak in Al0.53In0.11Ga0.36N∕Al0.58In0.02Ga0.40N multiple quantum wells 2006 ·Applied Physics Letters ·Takeyoshi Onuma, S. Keller, Steven P. DenBaars, James S. Speck, Shuji Nakamura, U. K. Mishra, T. Sota, Shigefusa F. Chichibu	19
5	Limiting factors of room-temperature nonradiative photoluminescence lifetime in polar and nonpolar GaN studied by time-resolved photoluminescence and slow positron annihilation techniques 2005 ·Applied Physics Letters ·Shigefusa F. Chichibu, Akira Uedono, Takeyoshi Onuma, T. Sota, B. A. Haskell, Steven P. DenBaars, James S. Speck, Shuji Nakamura	131
6	Direct comparison of photoluminescence lifetime and defect densities in ZnO epilayers studied by time-resolved photoluminescence and slow positron annihilation techniques 2004 ·physica status solidi (a) ·Takashi Koida, Akira Uedono, Atsushi Tsukazaki, T. Sota, M. Kawasaki, Shigefusa F. Chichibu	27
7	Correlation between the photoluminescence lifetime and defect density in bulk and epitaxial ZnO 2003 ·Applied Physics Letters ·Takashi Koida, Shigefusa F. Chichibu, Akira Uedono, Atsushi Tsukazaki, M. Kawasaki, T. Sota, Yasutomo Segawa, Hideomi Koinuma	219
8	Exciton spectra of an AlN epitaxial film on (0001) sapphire substrate grown by low-pressure metalorganic vapor phase epitaxy 2002 ·Applied Physics Letters ·Takeyoshi Onuma, Shigefusa F. Chichibu, T. Sota, Kei Asai, S. Sumiya, T. Shibata, Mitsuhiro Tanaka	57
9	Optical properties of Si‐, Ge‐ and Sn‐doped GaN 2002 ·physica status solidi (b) ·(unknown), (unknown), Yoichi Kawakami, K. Hazu, T. Sota, Tomotsugu Mitani, Takashi Mukai, Sg. Fujita	19
10	Forward Raman scattering by quasilongitudinal optical phonons in GaN 2000 ·Journal of Applied Physics ·T. Azuhata, M. Ono, K. Torii, T. Sota, Shigefusa F. Chichibu, Shuji Nakamura	4
11	Brillouin scattering study of bulk GaN 1999 ·Journal of Applied Physics ·Masashi Yamaguchi, T. Yagi, T. Sota, Takahiro Deguchi, Kazuhiro Shimada, Shuji Nakamura	78
12	Quantum-Confined Stark Effect in an AlGaN/GaN/AlGaN Single Quantum Well Structure 1999 ·Japanese Journal of Applied Physics ·Takahiro Deguchi, (unknown), Atsushi Nakamura, T. Sota, (unknown), Shigefusa F. Chichibu, Shuji Nakamura Shuji Nakamura	123
13	Luminescence spectra from InGaN multiquantum wells heavily doped with Si 1998 ·Applied Physics Letters ·Takahiro Deguchi, A. Shikanai, K. Torii, T. Sota, Shigefusa F. Chichibu, S. Nakamura	71
14	Gain spectroscopy of continuous wave InGaN multi-quantum well laser diodes 1998 ·Semiconductor Science and Technology ·Takahiro Deguchi, T. Azuhata, T. Sota, Shigefusa F. Chichibu, Munetaka Arita, Hideyuki Nakanishi, Shuji Nakamura	14
15	Urbach–Martienssen tails in a wurtzite GaN epilayer 1997 ·Applied Physics Letters ·Shigefusa F. Chichibu, Tsukasa Mizutani, T. Shioda, Hideyuki Nakanishi, Takahiro Deguchi, T. Azuhata, T. Sota, S. Nakamura	57
16	Constant Pressure First-Principles Molecular Dynamics Study On Bn, Ain, And Gan 1997 ·MRS Proceedings ·Kazuhiro Shimada, T. Sota, K. Suzuki	2
17	The stress dependence of acoustic properties of heavily doped n-type Ge 1991 ·Journal of Physics Condensed Matter ·Hiroshi Watanabe, T. Sota, K. Suzuki	0
18	The change in sound velocity due to donor pairs in Ge 1988 ·Journal of Physics C Solid State Physics ·(unknown), T. Sota, (unknown), K. Suzuki	2
19	Low-temperature thermal conductivity of heavily dopedn-type Ge 1985 ·Physical review. B, Condensed matter ·T. Sota, K. Suzuki, Daniel Fortier	5
20	Low-temperature thermal conductivity of heavily doped p-type semiconductors 1984 ·Journal of Physics C Solid State Physics ·T. Sota, K. Suzuki, Daniel Fortier	4

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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