T. Ohsaka

3.7k total citations · 2 hit papers
38 papers, 3.3k citations indexed

About

T. Ohsaka is a scholar working on Electrical and Electronic Engineering, Materials Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, T. Ohsaka has authored 38 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Electrical and Electronic Engineering, 22 papers in Materials Chemistry and 8 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in T. Ohsaka's work include Particle Accelerators and Free-Electron Lasers (11 papers), Phase-change materials and chalcogenides (10 papers) and Solid-state spectroscopy and crystallography (9 papers). T. Ohsaka is often cited by papers focused on Particle Accelerators and Free-Electron Lasers (11 papers), Phase-change materials and chalcogenides (10 papers) and Solid-state spectroscopy and crystallography (9 papers). T. Ohsaka collaborates with scholars based in Japan and Slovakia. T. Ohsaka's co-authors include Yoshinori Fujiki, Fujio Izumi, Osamu Shimomura, S. Yamaoka, K. Ishi, Yukio Shibata, Mikihiko Ikezawa, S. Urasawa, T. Nakazato and Yasuhiro Kondo and has published in prestigious journals such as Physical Review Letters, Physical review. B, Condensed matter and Physical Review A.

In The Last Decade

T. Ohsaka

38 papers receiving 3.2k citations

Hit Papers

align trajectories sort by overperformance

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.

Raman spectrum of anatase, TiO₂

1978 2.0k citations T. Ohsaka, Fujio Izumi et al. Journal of Raman Spectroscopy profile →
Temperature Dependence of the Raman Spectrum in Anatase TiO₂

1980 367 citations T. Ohsaka Journal of the Physical Society of Japan profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
T. Ohsaka	1.9k	1.5k	1.2k	344	280	38	3.3k
Gar B. Hoflund	3.8k 2.0×	916 0.6×	1.4k 1.2×	362 1.1×	516 1.8×	173	5.1k
C. A. Melendres	1.4k 0.7×	721 0.5×	1.1k 0.9×	335 1.0×	235 0.8×	97	2.8k
Hidde H. Brongersma	2.4k 1.3×	555 0.4×	1.0k 0.9×	400 1.2×	232 0.8×	117	3.4k
Paolo Ghigna	2.0k 1.1×	1.0k 0.7×	1.0k 0.8×	226 0.7×	397 1.4×	188	3.8k
James W. Richardson	3.0k 1.6×	654 0.4×	635 0.5×	208 0.6×	193 0.7×	109	4.5k
P. Oelhafen	3.5k 1.9×	504 0.3×	1.6k 1.3×	1.1k 3.1×	592 2.1×	211	5.4k
Valeria Russo	2.4k 1.3×	1.2k 0.8×	1.3k 1.1×	442 1.3×	521 1.9×	136	4.0k
D. E. Ramaker	2.1k 1.1×	860 0.6×	1.0k 0.8×	945 2.7×	293 1.0×	107	3.8k
Tomoyoshi Motohiro	2.7k 1.4×	1.1k 0.7×	2.5k 2.1×	678 2.0×	395 1.4×	144	4.2k
R. Cortès	1.5k 0.8×	395 0.3×	1.4k 1.1×	626 1.8×	254 0.9×	121	3.0k

Countries citing papers authored by T. Ohsaka

Since Specialization

Citations

This map shows the geographic impact of T. Ohsaka'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. Ohsaka with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T. Ohsaka more than expected).

Fields of papers citing papers by T. Ohsaka

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by T. Ohsaka. 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. Ohsaka. The network helps show where T. Ohsaka may publish in the future.

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

This figure shows the co-authorship network connecting the top 25 collaborators of T. Ohsaka. A scholar is included among the top collaborators of T. Ohsaka 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. Ohsaka. T. Ohsaka 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

Yamamoto, Keiji, S. Yano, Yasutomo Segawa, et al.. (2004). Observation of millimeter-wave radiation generated by the interaction between an electron beam and a photonic crystal. Physical Review E. 69(4). 45601–45601. 16 indexed citations

Zhang, D., et al.. (2003). Hydrodynamic chronocoulometric estimation of diffusion coefficients and saturated concentrations of dioxygen in KOH solutions. INDIAN JOURNAL OF CHEMISTRY- SECTION A. 42(4). 801–806. 4 indexed citations

Sasaki, Satoshi, Yukio Shibata, K. Ishi, et al.. (2002). A prebunched FEL based on coherent transition radiation in the far-infrared region. Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment. 483(1-2). 209–213. 5 indexed citations

Ohsaka, T., Kazuya Tanaka, Yutaka Nigara, & Junichiro Mizusaki. (2001). Defect-Induced Far-Infrared Absorption in Oxygen-Ion Conductor (CeO₂)_0.9(CaO)_0.1. Journal of the Physical Society of Japan. 70(8). 2245–2247. 1 indexed citations

Ohsaka, T., et al.. (2000). Temperature Change of the Far-Infrared Absorption and Nature of Low-Frequency Modes in Silica Glass. Journal of the Physical Society of Japan. 69(11). 3711–3714. 3 indexed citations

Shibata, Yukio, K. Ishi, Toshiharu Takahashi, et al.. (1994). Coherent transition radiation in the far-infrared region. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics. 49(1). 785–793. 66 indexed citations

Takahashi, T., Yukio Shibata, F. Arai, et al.. (1993). Coherent transition radiation at submillimeter and millimeter wavelengths. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics. 48(6). 4674–4677. 22 indexed citations

Shibata, Yukio, K. Ishi, T. Ohsaka, et al.. (1991). Coherent synchrotron radiation at submillimeter and millimeter wavelengths. Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment. 301(1). 161–166. 30 indexed citations

Ishi, K., Yukio Shibata, T. Takahashi, et al.. (1991). Spectrum of coherent synchrotron radiation in the far-infrared region. Physical Review A. 43(10). 5597–5604. 51 indexed citations

10.

Nakazato, T., M. Oyamada, Nobuo Niimura, et al.. (1990). Coherent synchrotron radiation. CERN Bulletin. 33. 141–146. 2 indexed citations

11.

Shibata, Yukio, K. Ishi, & T. Ohsaka. (1989). Lattice Dynamics of Solid CS₂Based on Kihara Potential. Journal of the Physical Society of Japan. 58(9). 3198–3203. 1 indexed citations

12.

Mitomo, Mamoru, et al.. (1982). Translucent ?-sialon ceramics. Journal of Materials Science Letters. 1(1). 25–26. 24 indexed citations

13.

Ohsaka, T.. (1980). Temperature Dependence of the Raman Spectrum in Anatase TiO₂. Journal of the Physical Society of Japan. 48(5). 1661–1668. 367 indexed citations breakdown →

14.

Ohsaka, T., S. Yamaoka, & Osamu Shimomura. (1979). Effect of hydrostatic pressure on the Raman spectrum of anatase (TiO2). Solid State Communications. 30(6). 345–347. 142 indexed citations

15.

Ohsaka, T., Fujio Izumi, & Yoshinori Fujiki. (1978). Raman spectrum of anatase, TiO₂. Journal of Raman Spectroscopy. 7(6). 321–324. 2041 indexed citations breakdown →

16.

Ohsaka, T. & Akiteru Watanabe. (1978). Infrared absorption of glassy Se containing small amounts of Ge, As and Te. Journal of Non-Crystalline Solids. 27(1). 157–159. 6 indexed citations

17.

Fujiki, Yoshinori, et al.. (1977). Water Absorption and Thermal Behavior of Potassium Tetratitanate. Journal of the Ceramic Association Japan. 85(986). 475–481. 13 indexed citations

18.

Ohsaka, T.. (1976). Infrared studies of Se-based polynary chalcogenide glasses (I)·Y S Se100−2(Y = Ge, As, Te). Journal of Non-Crystalline Solids. 21(1). 23–29. 9 indexed citations

19.

Ohsaka, T.. (1975). Infrared spectra of glassy Se containing small amounts of S, Te, As, or Ge. Journal of Non-Crystalline Solids. 17(1). 121–128. 32 indexed citations

20.

Ohsaka, T.. (1974). Composition dependence of the infrared absorption band near 250 cm−1 in the glassy system AsSe. Journal of Non-Crystalline Solids. 15(1). 149–151. 3 indexed citations

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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