S. Ichimaru

2.4k total citations · 1 hit paper
59 papers, 1.6k citations indexed

About

S. Ichimaru is a scholar working on Radiation, Atomic and Molecular Physics, and Optics and Astronomy and Astrophysics. According to data from OpenAlex, S. Ichimaru has authored 59 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Radiation, 18 papers in Atomic and Molecular Physics, and Optics and 14 papers in Astronomy and Astrophysics. Recurrent topics in S. Ichimaru's work include Advanced X-ray Imaging Techniques (18 papers), X-ray Spectroscopy and Fluorescence Analysis (17 papers) and Atomic and Molecular Physics (8 papers). S. Ichimaru is often cited by papers focused on Advanced X-ray Imaging Techniques (18 papers), X-ray Spectroscopy and Fluorescence Analysis (17 papers) and Atomic and Molecular Physics (8 papers). S. Ichimaru collaborates with scholars based in Japan and United States. S. Ichimaru's co-authors include Albert Simon, Hiroo Totsuji, Hiroshi Iyetomi, Shinichi Mitake, N. Itoh, Naoki Itoh, Hisataka Takenaka, Shūji Ogata, H. M. van Horn and H. E. DeWitt and has published in prestigious journals such as Physical Review Letters, The Astrophysical Journal and Physics Today.

In The Last Decade

S. Ichimaru

55 papers receiving 1.5k citations

Hit Papers

Bimodal behavior of accretion disks - Theory and applicat... 1977 2026 1993 2009 1977 100 200 300 400
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.

  1. Bimodal behavior of accretion disks - Theory and application to Cygnus X-1 transitions
    1977 458 citations S. Ichimaru The Astrophysical Journal profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
S. Ichimaru Japan 18 1.0k 434 361 295 163 59 1.6k
G. Pizzella Italy 18 827 0.8× 253 0.6× 366 1.0× 109 0.4× 80 0.5× 114 1.2k
P. Predehl Germany 26 2.3k 2.2× 798 1.8× 301 0.8× 206 0.7× 303 1.9× 164 2.7k
H. W. Schnopper United States 20 1.4k 1.3× 685 1.6× 500 1.4× 169 0.6× 689 4.2× 150 2.2k
M. C. Weisskopf United States 16 1.1k 1.1× 589 1.4× 188 0.5× 246 0.8× 206 1.3× 63 1.5k
G. Perrin France 32 2.5k 2.4× 400 0.9× 820 2.3× 118 0.4× 91 0.6× 241 3.4k
V. K. Gryaznov Russia 23 253 0.2× 496 1.1× 639 1.8× 710 2.4× 86 0.5× 96 1.3k
E. Schreier United States 33 3.2k 3.1× 1.2k 2.8× 161 0.4× 387 1.3× 102 0.6× 102 3.6k
Andrew E. Szymkowiak United States 22 1.2k 1.2× 595 1.4× 281 0.8× 53 0.2× 191 1.2× 97 1.5k
G. Faussurier France 24 202 0.2× 414 1.0× 1.0k 2.9× 642 2.2× 156 1.0× 93 1.6k
J. D. Salmonson United States 27 549 0.5× 1.8k 4.2× 758 2.1× 618 2.1× 206 1.3× 73 2.4k

Countries citing papers authored by S. Ichimaru

Since Specialization
Citations

This map shows the geographic impact of S. Ichimaru'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 S. Ichimaru with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S. Ichimaru more than expected).

Fields of papers citing papers by S. Ichimaru

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. Ichimaru

This figure shows the co-authorship network connecting the top 25 collaborators of S. Ichimaru. A scholar is included among the top collaborators of S. Ichimaru 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 S. Ichimaru. S. Ichimaru is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Ichimaru, S., et al.. (2021). Local-location and short-term solar power forecast system for marine environment observation devices. IEICE Technical Report; IEICE Tech. Rep.. 121(51). 39–43.
2.
3.
Ichimaru, S., et al.. (2015). Mo/Si multilayer mirrors with 300-bilayers for EUV lithography. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 9658. 965814–965814. 3 indexed citations
4.
Takano, Hidekazu, Takahisa Koyama, Yoshiyuki Tsusaka, et al.. (2014). Point spread function measurement of an X-ray beam focused by a multilayer zone plate with narrow annular aperture. Journal of Synchrotron Radiation. 21(2). 446–448. 6 indexed citations
5.
Koyama, Takahisa, Hidekazu Takano, Takuya Tsuji, et al.. (2012). Circular multilayer zone plate for high-energy x-ray nano-imaging. Review of Scientific Instruments. 83(1). 13705–13705. 31 indexed citations
6.
Koyama, Takahisa, Hisataka Takenaka, S. Ichimaru, et al.. (2011). Development of Multilayer Laue Lenses; (1) Linear Type. AIP conference proceedings. 24–27. 14 indexed citations
7.
Murakami, Go, et al.. (2011). Performance of Y2O3/Al multilayer coatings for the He-II radiation at 30.4 nm. Review of Scientific Instruments. 82(3). 33106–33106. 8 indexed citations
8.
Koyama, Takahisa, Takuya Tsuji, Yasushi Kagoshima, et al.. (2011). Development of Multilayer Laue Lenses; (2) Circular Type. AIP conference proceedings. 100–103. 10 indexed citations
9.
Ejima, Takeo, Atsushi Yamazaki, Katsuhiko Saito, et al.. (2005). Aging and thermal stability of Mg/SiC and Mg/Y_2O_3 reflection multilayers in the 25–35 nm region. Applied Optics. 44(26). 5446–5446. 17 indexed citations
10.
Takenaka, Hisataka, et al.. (2005). Multilayer mirrors for µ ‐XPS using a Schwarzschild objective. Surface and Interface Analysis. 37(2). 181–184. 1 indexed citations
11.
Takenaka, Hisataka, S. Ichimaru, Tsuneyuki Haga, et al.. (2003). Fabrication of soft X-ray beam splitters for use in the wavelength region around 13 nm. Journal de Physique IV (Proceedings). 104. 251–254. 4 indexed citations
12.
Ogasaka, Yasushi, Keisuke Tamura, Takashi Okajima, et al.. (2000). <title>Development of a balloonborne hard x-ray telescope using a Pt/C multilayer supermirror</title>. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 4012. 294–305. 2 indexed citations
13.
Ichimaru, S. & T. Tajima. (1991). 1991 US-Japan workshop on Nuclear Fusion in Dense Plasmas. University of North Texas Digital Library (University of North Texas).
14.
Ichimaru, S. & Kenichi Utsumi. (1984). Screening potential and enhancement of thermonuclear reaction rate due to relativistic degenerate electrons in dense multi-ionic plasmas. The Astrophysical Journal. 278. 382–382. 8 indexed citations
15.
Ichimaru, S. & Kenichi Utsumi. (1984). Enhancement of thermonuclear reaction rate due to screening by relativistic degenerate electrons - Long-range correlation effect. The Astrophysical Journal. 286. 363–363. 9 indexed citations
16.
Itoh, Naoki, Y. Kohyama, S. Ichimaru, Kenichi Utsumi, & Masayuki Hasegawa. (1982). Plasmon Linewidth and Frequency Shift in Dense Matter. Physical Review Letters. 49(26). 1932–1935. 2 indexed citations
17.
Takahara, Fumio, et al.. (1981). X-rays from active galactic nuclei. The Astrophysical Journal. 251. 26–26. 4 indexed citations
18.
Itoh, N., Hiroo Totsuji, & S. Ichimaru. (1977). Enhancement of thermonuclear reaction rate due to strong screening. The Astrophysical Journal. 218. 477–477. 41 indexed citations
19.
Totsuji, Hiroo & S. Ichimaru. (1974). Dielectric Response Function of Electron Liquids. III: Numerical Investigation of Static Properties. Progress of Theoretical Physics. 52(1). 42–53. 44 indexed citations
20.
Ichimaru, S. & Tatsuo Nakano. (1967). New approach to the theory of a turbulent plasma. Physics Letters A. 25(2). 163–164. 6 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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