K. Ishida

11.6k total citations · 2 hit papers
296 papers, 8.9k citations indexed

About

K. Ishida is a scholar working on Condensed Matter Physics, Electronic, Optical and Magnetic Materials and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, K. Ishida has authored 296 papers receiving a total of 8.9k indexed citations (citations by other indexed papers that have themselves been cited), including 265 papers in Condensed Matter Physics, 195 papers in Electronic, Optical and Magnetic Materials and 43 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in K. Ishida's work include Physics of Superconductivity and Magnetism (198 papers), Advanced Condensed Matter Physics (149 papers) and Rare-earth and actinide compounds (117 papers). K. Ishida is often cited by papers focused on Physics of Superconductivity and Magnetism (198 papers), Advanced Condensed Matter Physics (149 papers) and Rare-earth and actinide compounds (117 papers). K. Ishida collaborates with scholars based in Japan, United States and Germany. K. Ishida's co-authors include Y. Kitaoka, Kei Asayama, Y. Maeno, Yoshio Kitaoka, Zhiqiang Mao, Hidekazu Mukuda, Zenji Hiroi, Masaki Azuma, M. Takano and Y. Tokunaga and has published in prestigious journals such as Nature, Science and Journal of the American Chemical Society.

In The Last Decade

K. Ishida

287 papers receiving 8.7k 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.

Spin-triplet superconductivity in Sr2RuO4 identified by 17O Knight shift

1998 761 citations K. Ishida, Y. Kitaoka et al. profile →
Observation of a Spin Gap in SrCu2O3Comprising Spin-½ Quasi-1D Two-Leg Ladders

1994 597 citations K. Ishida, Y. Kitaoka et al. Physical Review Letters profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
K. Ishida Japan	50	8.2k	5.9k	1.6k	694	383	296	8.9k
Y. Kitaoka Japan	43	6.8k 0.8×	4.8k 0.8×	1.2k 0.7×	563 0.8×	266 0.7×	261	7.1k
M. S. Torikachvili United States	39	5.2k 0.6×	4.2k 0.7×	912 0.6×	933 1.3×	382 1.0×	175	6.0k
Ch. Niedermayer Germany	45	5.6k 0.7×	4.8k 0.8×	1.3k 0.8×	1.7k 2.4×	257 0.7×	213	7.5k
R. Khasanov Switzerland	43	5.7k 0.7×	5.5k 0.9×	1.1k 0.7×	827 1.2×	149 0.4×	261	7.3k
S. Tajima Japan	50	7.5k 0.9×	4.6k 0.8×	1.4k 0.9×	1.8k 2.5×	439 1.1×	361	8.2k
M. Braden Germany	45	4.8k 0.6×	4.9k 0.8×	706 0.4×	1.6k 2.3×	493 1.3×	217	6.4k
B. J. Sternlieb United States	26	5.0k 0.6×	3.4k 0.6×	1.2k 0.7×	680 1.0×	265 0.7×	61	5.5k
K. Conder Switzerland	48	6.1k 0.7×	5.9k 1.0×	1.2k 0.8×	2.5k 3.5×	402 1.0×	306	8.5k
D. T. Adroja United Kingdom	39	5.9k 0.7×	5.3k 0.9×	810 0.5×	1.1k 1.6×	195 0.5×	377	6.7k
M. Nohara Japan	45	5.7k 0.7×	4.9k 0.8×	1.6k 1.0×	2.0k 2.8×	217 0.6×	205	7.7k

Countries citing papers authored by K. Ishida

Since Specialization

Citations

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

Fields of papers citing papers by K. Ishida

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K. Ishida

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

Kitagawa, Shunsaku, Katsuki Kinjo, K. Ishida, et al.. (2025). Intrinsic low-temperature magnetic properties on ultraclean UTe2 with Tc=2.1 K revealed by Te125 NMR. Physical review. B.. 111(9). 1 indexed citations

Kitagawa, Shunsaku, et al.. (2025). Magnetic-Field Dependence of Paramagnetic Properties Investigated by ^63/65Cu-NMR on the Yb Zigzag-Chain Semiconductor YbCuS₂. Journal of the Physical Society of Japan. 94(2).

Takahashi, Y., Katsuki Kinjo, Shunsaku Kitagawa, et al.. (2025). b-axis and c-axis Knight shift measurements in the superconducting state on ultraclean UTe2 with Tc=2.1 K. Physical review. B.. 111(17).

Kitagawa, Shunsaku, et al.. (2025). Subtle Structural Anomaly under Compression in Line-Nodal CaSb₂. Journal of the Physical Society of Japan. 94(4).

Ishida, K., Cédric Tassel, Baptiste Vignolle, et al.. (2025). Topochemical Reaction Involving Double-to-Single Layer Conversion: Mo₃Ta₂O₁₀N with a Kagomé Lattice. Journal of the American Chemical Society. 147(31). 27576–27585.

Kitagawa, Shunsaku, Yuki Takahashi, K. Ishida, et al.. (2024). Clear Reduction in Spin Susceptibility and Superconducting Spin Rotation for \(H\parallel a\) in the Early-Stage Sample of Spin-Triplet Superconductor UTe₂. Journal of the Physical Society of Japan. 93(12). 4 indexed citations

Kitagawa, Shunsaku, et al.. (2024). Gapped Spin Excitation in Magnetic Ordered State on Yb-Based Zigzag Chain Compound YbAgSe₂. Journal of the Physical Society of Japan. 93(11). 2 indexed citations

Kitagawa, Shunsaku, Katsuki Kinjo, K. Ishida, et al.. (2024). Appearance of c-axis magnetic moment in odd-parity antiferromagnetic state in CeRh2As2 revealed by As75-NMR. Physical review. B.. 110(21). 1 indexed citations

Kinjo, Katsuki, Shunsaku Kitagawa, K. Ishida, et al.. (2023). Large Reduction in the a-axis Knight Shift on UTe₂ with T_c = 2.1 K. Journal of the Physical Society of Japan. 92(6). 45 indexed citations

10.

Kinjo, Katsuki, Shunsaku Kitagawa, K. Ishida, et al.. (2023). Superconducting spin reorientation in spin-triplet multiple superconducting phases of UTe ₂. Science Advances. 9(30). eadg2736–eadg2736. 16 indexed citations

11.

Sato, Yuki, Y. Kasahara, S. Kasahara, et al.. (2022). Charge-neutral fermions and magnetic field-driven instability in insulating YbIr3Si7. Nature Communications. 13(1). 394–394. 6 indexed citations

12.

Aoki, Dai, Jean‐Pascal Brison, J. Flouquet, et al.. (2022). Unconventional superconductivity in UTe₂. Journal of Physics Condensed Matter. 34(24). 243002–243002. 124 indexed citations

13.

Kitagawa, Shunsaku, et al.. (2018). Evidence for the Presence of the Fulde-Ferrell-Larkin-Ovchinnikov State in CeCu2Si2 Revealed Using Cu63 NMR. Physical Review Letters. 121(15). 157004–157004. 30 indexed citations

14.

Hattori, T., Yoshihiko Ihara, Yusuke Nakai, et al.. (2012). Superconductivity Induced by Longitudinal Ferromagnetic Fluctuations in UCoGe. Physical Review Letters. 108(6). 66403–66403. 92 indexed citations

15.

Kitagawa, Shunsaku, Hiroaki Ikeda, Yusuke Nakai, et al.. (2011). Metamagnetic Behavior and Kondo Breakdown in Heavy-Fermion CeFePO. Physical Review Letters. 107(27). 277002–277002. 19 indexed citations

16.

Ihara, Yoshihiko, T. Hattori, K. Ishida, et al.. (2010). Anisotropic Magnetic Fluctuations in the Ferromagnetic Superconductor UCoGe Studied by Direction-DependentCo59NMR Measurements. Physical Review Letters. 105(20). 206403–206403. 41 indexed citations

17.

Nakai, Yusuke, K. Ishida, Yoichi Kamihara, Masahiro Hirano, & Hideo Hosono. (2008). Spin Dynamics in Iron-Based Layered Superconductor(La0.87Ca0.13)FePORevealed byP31andLa139NMR Studies. Physical Review Letters. 101(7). 77006–77006. 38 indexed citations

18.

Murakawa, H., K. Ishida, Kentaro Kitagawa, Zhiqiang Mao, & Y. Maeno. (2004). Measurement of theRu101-Knight Shift of SuperconductingSr2RuO4in a Parallel Magnetic Field. Physical Review Letters. 93(16). 167004–167004. 94 indexed citations

19.

Ishida, K., Hideki Tou, Masafumi Kyogaku, et al.. (2002). Spin-Triplet Superconductivity inUNi2Al3Revealed by theA27lKnight Shift Measurement. Physical Review Letters. 89(3). 37002–37002. 50 indexed citations

20.

Tokunaga, Y., Hisashi Kotegawa, K. Ishida, et al.. (2001). NMR Evidence for Coexistence of Superconductivity and Ferromagnetic Component in Magnetic SuperconductorRuSr2YCu2O8:R99,101uandC63uNMR. Physical Review Letters. 86(25). 5767–5770. 116 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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