S. Souma

8.9k total citations · 3 hit papers
140 papers, 6.8k citations indexed

About

S. Souma is a scholar working on Atomic and Molecular Physics, and Optics, Condensed Matter Physics and Materials Chemistry. According to data from OpenAlex, S. Souma has authored 140 papers receiving a total of 6.8k indexed citations (citations by other indexed papers that have themselves been cited), including 83 papers in Atomic and Molecular Physics, and Optics, 79 papers in Condensed Matter Physics and 72 papers in Materials Chemistry. Recurrent topics in S. Souma's work include Topological Materials and Phenomena (70 papers), Iron-based superconductors research (38 papers) and Graphene research and applications (34 papers). S. Souma is often cited by papers focused on Topological Materials and Phenomena (70 papers), Iron-based superconductors research (38 papers) and Graphene research and applications (34 papers). S. Souma collaborates with scholars based in Japan, United States and Germany. S. Souma's co-authors include T. Sato, T. Takahashi, K. Nakayama, Yoichi Ando, Kouji Segawa, K. Sugawara, A. Takayama, Yukio Tanaka, Hong Ding and Zhi Ren and has published in prestigious journals such as Nature, Physical Review Letters and Nature Communications.

In The Last Decade

S. Souma

134 papers receiving 6.7k citations

Hit Papers

align trajectories

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.

Experimental realization of a topological crystalline insulator in SnTe

2012 752 citations Yukio Tanaka, Zhi Ren et al. profile →
Observation of Fermi-surface–dependent nodeless superconducting gaps in Ba _0.6 K _0.4 Fe ₂ As ₂

2008 728 citations Hong Ding, P. Richard et al. profile →
Observation of a giant band splitting in altermagnetic MnTe

2024 143 citations S. Souma, Kunihiko Yamauchi et al. Physical review. B. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
S. Souma Japan	42	3.7k	3.7k	3.3k	2.7k	482	140	6.8k
Zhilai Fang China	34	3.5k 0.9×	3.9k 1.1×	4.3k 1.3×	3.1k 1.1×	304 0.6×	114	7.4k
Adam Kaminski United States	46	5.0k 1.4×	3.4k 0.9×	2.8k 0.9×	3.9k 1.4×	411 0.9×	142	8.0k
A. N. Yaresko Germany	41	3.7k 1.0×	1.9k 0.5×	2.1k 0.6×	4.0k 1.5×	431 0.9×	221	6.2k
Moritz Hoesch United Kingdom	40	2.4k 0.6×	3.2k 0.9×	3.5k 1.1×	2.4k 0.9×	347 0.7×	129	6.2k
Gang Xu China	31	2.8k 0.8×	4.9k 1.3×	5.1k 1.6×	2.1k 0.8×	410 0.9×	83	8.2k
Klaus Koepernik Germany	35	3.0k 0.8×	2.2k 0.6×	2.7k 0.8×	3.4k 1.2×	263 0.5×	106	5.9k
Can‐Li Song China	35	2.8k 0.8×	3.0k 0.8×	3.2k 1.0×	2.5k 0.9×	620 1.3×	100	5.9k
J. G. Checkelsky United States	33	3.9k 1.1×	6.5k 1.8×	5.1k 1.6×	1.9k 0.7×	249 0.5×	71	8.3k
С. В. Борисенко Germany	40	4.0k 1.1×	2.2k 0.6×	1.8k 0.5×	3.8k 1.4×	792 1.6×	156	6.3k

Countries citing papers authored by S. Souma

Since Specialization

Citations

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

Fields of papers citing papers by S. Souma

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

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

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Sugawara, K., K. Nakayama, S. Souma, et al.. (2025). Spin-valley coupling enhanced high-TC ferromagnetism in a non-van der Waals monolayer Cr2Se3 on graphene. Nature Communications. 16(1). 3448–3448. 1 indexed citations

Sugawara, K., S. Souma, K. Nakayama, et al.. (2023). Direct Imaging of Band Structure for Powdered Rhombohedral Boron Monosulfide by Microfocused ARPES. Nano Letters. 23(5). 1673–1679. 7 indexed citations

Takane, Daichi, S. Souma, Kunihiko Yamauchi, et al.. (2023). Antiferromagnetic topological insulator with selectively gapped Dirac cones. Nature Communications. 14(1). 7396–7396. 7 indexed citations

Kato, Takemi, Yongkai Li, Min Liu, et al.. (2023). Surface-termination-dependent electronic states in kagome superconductors AV3Sb5 (A=K, Rb, Cs) studied by micro-ARPES. Physical review. B.. 107(24). 15 indexed citations

Sugawara, K., Hirofumi Oka, Takemi Kato, et al.. (2023). Moiré‐Assisted Realization of Octahedral MoTe₂ Monolayer. Advanced Science. 10(34). e2304461–e2304461. 3 indexed citations

Kitamura, Miho, S. Souma, Daisuke Wakabayashi, et al.. (2022). Development of a versatile micro-focused angle-resolved photoemission spectroscopy system with Kirkpatrick–Baez mirror optics. Review of Scientific Instruments. 93(3). 33906–33906. 1 indexed citations

Kitamura, Miho, S. Souma, Daisuke Wakabayashi, et al.. (2022). Development of a versatile micro-focused angle-resolved photoemission spectroscopy system with Kirkpatrick-Baez mirror optics. arXiv (Cornell University). 32 indexed citations

Sugawara, K., Takemi Kato, Yuki Nakata, et al.. (2021). Manipulation of Dirac Cone in Topological Insulator/Topological Insulator Heterostructure. ACS Applied Electronic Materials. 3(3). 1080–1085. 5 indexed citations

Shiogai, Junichi, et al.. (2020). Two-dimensional growth of conductive ultra-thin Sn films on insulating substrate with an Fe buffer layer. APL Materials. 8(6). 1 indexed citations

10.

Trang, Chi Xuan, K. Nakayama, S. Souma, et al.. (2020). Conversion of a conventional superconductor into a topological superconductor by topological proximity effect. Nature Communications. 11(1). 159–159. 45 indexed citations

11.

Takane, Daichi, Zhiwei Wang, S. Souma, et al.. (2019). Observation of Chiral Fermions with a Large Topological Charge and Associated Fermi-Arc Surface States in CoSi. Physical Review Letters. 122(7). 76402–76402. 220 indexed citations

12.

Shiogai, Junichi, Daichi Takane, Keiko Yamada, et al.. (2018). Fermi-level tuning of the Dirac surface state in (Bi_1−xSb_x)₂Se₃thin films. Journal of Physics Condensed Matter. 30(8). 85501–85501. 12 indexed citations

13.

Souma, S., et al.. (2016). バルクが絶縁体のトポロジカル絶縁体Bi2-xSbxTe3-ySeyの仕事関数. Applied Physics Letters. 109(9). 4.

14.

Sato, T., et al.. (2015). Switching of Dirac-Fermion Mass at the Interface of Ultrathin Ferromagnet and Rashba Metal. Physical Review Letters. 115(26). 266401–266401. 7 indexed citations

15.

Arakane, T., T. Sato, S. Souma, et al.. (2012). Tunable Dirac cone in the topological insulator Bi2-xSbxTe3-ySey. Nature Communications. 3(1). 636–636. 289 indexed citations

16.

Xu, Yiming, P. Richard, K. Nakayama, et al.. (2011). Fermi surface dichotomy of the superconducting gap and pseudogap in underdoped pnictides. Nature Communications. 2(1). 394–394. 59 indexed citations

17.

Raj, S., Daisuke Hashimoto, H. Matsui, et al.. (2006). Angle-Resolved Photoemission Spectroscopy of the InsulatingNaxWO3: Anderson Localization, Polaron Formation, and Remnant Fermi Surface. Physical Review Letters. 96(14). 147603–147603. 38 indexed citations

18.

Yang, Huanan, S.-C. Wang, H. Matsui, et al.. (2004). ARPES onNa0.6CoO2: Fermi Surface and Unusual Band Dispersion. Physical Review Letters. 92(24). 246403–246403. 123 indexed citations

19.

Souma, S., et al.. (2003). Electronic Band Structure and Fermi Surface ofCaB6Studied by Angle-Resolved Photoemission Spectroscopy. Physical Review Letters. 90(2). 27202–27202. 55 indexed citations

20.

Souma, S., Yo Machida, T. Sato, et al.. (2003). The origin of multiple superconducting gaps in MgB2. Nature. 423(6935). 65–67. 213 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.

Explore authors with similar magnitude of impact