T. Ishikawa

7.5k total citations · 1 hit paper
112 papers, 6.4k citations indexed

About

T. Ishikawa is a scholar working on Electronic, Optical and Magnetic Materials, Materials Chemistry and Condensed Matter Physics. According to data from OpenAlex, T. Ishikawa has authored 112 papers receiving a total of 6.4k indexed citations (citations by other indexed papers that have themselves been cited), including 80 papers in Electronic, Optical and Magnetic Materials, 53 papers in Materials Chemistry and 28 papers in Condensed Matter Physics. Recurrent topics in T. Ishikawa's work include Magnetism in coordination complexes (34 papers), Organic and Molecular Conductors Research (32 papers) and Magnetic and transport properties of perovskites and related materials (26 papers). T. Ishikawa is often cited by papers focused on Magnetism in coordination complexes (34 papers), Organic and Molecular Conductors Research (32 papers) and Magnetic and transport properties of perovskites and related materials (26 papers). T. Ishikawa collaborates with scholars based in Japan, France and United Kingdom. T. Ishikawa's co-authors include Shin‐ya Koshihara, Naoto Ishikawa, Youkoh Kaizu, Miki Sugita, Y. Tokura, T. Katsufuji, T. Arima, Y. Okimoto, Ken Onda and T. Kimura and has published in prestigious journals such as Science, Journal of the American Chemical Society and Physical Review Letters.

In The Last Decade

T. Ishikawa

108 papers receiving 6.3k 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.

Lanthanide Double-Decker Complexes Functioning as Magnets at the Single-Molecular Level

2003 2.3k citations Naoto Ishikawa, T. Ishikawa et al. profile →

Author Peers

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

Author						Papers	Cites
T. Ishikawa	5.2k	4.4k	1.3k	842	744	112	6.4k
H. Mutka	3.8k 0.7×	2.5k 0.6×	2.9k 2.2×	409 0.5×	736 1.0×	220	6.1k
Fernando Luis	5.0k 0.9×	4.6k 1.1×	665 0.5×	1.2k 1.5×	1.2k 1.6×	149	7.1k
Thomas Hauet	3.1k 0.6×	2.4k 0.5×	1.2k 0.9×	437 0.5×	352 0.5×	131	4.9k
R. Caciuffo	3.3k 0.6×	3.5k 0.8×	3.0k 2.2×	274 0.3×	1.9k 2.6×	293	6.7k
Youichi Murakami	6.3k 1.2×	4.2k 1.0×	4.6k 3.4×	153 0.2×	662 0.9×	360	9.3k
S. A. Zvyagin	1.9k 0.4×	1.3k 0.3×	1.4k 1.0×	190 0.2×	477 0.6×	132	3.2k
Andreï Rogalev	4.2k 0.8×	3.7k 0.8×	2.6k 1.9×	93 0.1×	580 0.8×	359	7.8k
F. Wilhelm	3.7k 0.7×	3.3k 0.7×	2.3k 1.7×	88 0.1×	493 0.7×	320	6.7k
W. B. Holzapfel	1.2k 0.2×	3.8k 0.9×	1.7k 1.3×	163 0.2×	512 0.7×	234	7.4k
A. I. Chumakov	1.3k 0.2×	2.8k 0.6×	2.8k 2.1×	177 0.2×	256 0.3×	252	5.8k

Countries citing papers authored by T. Ishikawa

Since Specialization

Citations

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

Fields of papers citing papers by T. Ishikawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

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

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

Jiang, Yifeng, Stuart A. Hayes, Lai Chung Liu, et al.. (2024). Direct observation of photoinduced sequential spin transition in a halogen-bonded hybrid system by complementary ultrafast optical and electron probes. Nature Communications. 15(1). 4604–4604.

Takubo, Kou, Makoto Kuwahara, Toru Asaka, et al.. (2024). Photocontrol of ferroelectricity in multiferroic BiFeO3 via structural modification coupled with photocarrier. Communications Materials. 5(1). 2 indexed citations

Takubo, Kou, et al.. (2024). Ultrafast anisotropic polarization dynamics of electronic ferroelectric LuFe2O4. Physical Review Materials. 8(6). 2 indexed citations

Okimoto, Y., Kou Takubo, T. Ishikawa, et al.. (2023). Nonlinear Optical Properties in an Epitaxial YbFe2O4 Film Probed by Second Harmonic and Terahertz Generation. Materials. 16(5). 1989–1989. 5 indexed citations

Takubo, Kou, Y. Okimoto, Shin‐ya Koshihara, et al.. (2023). Appearance of a Photoinduced Hidden State in the Electron Donor–Acceptor Type Metal–Organic Framework (NPr₄)₂[Fe₂(Cl₂An)₃]. Advanced Optical Materials. 12(4). 1 indexed citations

Ishikawa, T., et al.. (2023). Ultrafast variation of the polarized state in proton-π electron coupled ferroelectric cocrystal Phz-H₂ca. Materials Advances. 4(21). 5126–5130. 1 indexed citations

Takubo, Kou, Makoto Kuwahara, Yasuhiko Hayashi, et al.. (2022). Generation of sub-100 fs electron pulses for time-resolved electron diffraction using a direct synchronization method. Review of Scientific Instruments. 93(5). 53005–53005. 8 indexed citations

Okimoto, Y., Peiyu Xia, Jiro Itatani, et al.. (2022). Ultrafast opto-protonics in a hydrogen-bonded π-molecular ferroelectric crystal. APL Materials. 10(9). 4 indexed citations

Koshihara, Shin‐ya, T. Ishikawa, Y. Okimoto, et al.. (2021). Challenges for developing photo-induced phase transition (PIPT) systems: From classical (incoherent) to quantum (coherent) control of PIPT dynamics. Physics Reports. 942. 1–61. 43 indexed citations

10.

Fukaya, Ryo, T. Ishikawa, Shin‐ya Koshihara, et al.. (2021). Picosecond dynamics in layered cobalt perovskites studied by time-resolved Raman spectroscopy. Comptes Rendus Physique. 22(S2). 95–102. 2 indexed citations

11.

Hada, Masaki, Daisuke Yamaguchi, T. Ishikawa, et al.. (2019). Ultrafast isomerization-induced cooperative motions to higher molecular orientation in smectic liquid-crystalline azobenzene molecules. Nature Communications. 10(1). 4159–4159. 41 indexed citations

12.

Ishikawa, T., Y. Okimoto, Shin‐ya Koshihara, et al.. (2019). Optical Study of Electronic Structure and Photoinduced Dynamics in the Organic Alloy System [(EDO-TTF)0.89(MeEDO-TTF)0.11]2PF6. Applied Sciences. 9(6). 1174–1174. 2 indexed citations

13.

Kaneshima, Keisuke, Kengo Takeuchi, Nobuhisa Ishii, et al.. (2018). Ultrafast Control of Ferroelectricity with Dynamical Repositioning of Protons in a Supramolecular Cocrystal Studied by Femtosecond Nonlinear Spectroscopy. Journal of the Physical Society of Japan. 88(1). 13705–13705. 12 indexed citations

14.

Voloshko, S. М., et al.. (2018). Structure of Vanadium Films on SiO$_2$(001), MgO(100), Al$_2$O$_3$(0001), SrTiO$_3$(100) Substrates and Features of Their Thermal Oxidation. METALLOFIZIKA I NOVEISHIE TEKHNOLOGII. 40(6). 777–794. 1 indexed citations

15.

Fukaya, Ryo, Y. Okimoto, Ken Onda, et al.. (2015). Ultrafast electronic state conversion at room temperature utilizing hidden state in cuprate ladder system. Nature Communications. 6(1). 8519–8519. 15 indexed citations

16.

Ishikawa, T., Ken Onda, Y. Okimoto, et al.. (2012). Probing the metal–insulator phase transition in the (DMEDO-EBDT)₂PF₆single crystal by optical measurements. Journal of Physics Condensed Matter. 24(19). 195501–195501. 3 indexed citations

17.

Okimoto, Y., Peng Xiao, Masafumi Tamura, et al.. (2009). Ultrasonic Propagation of a Metallic Domain inPr0.5Ca0.5CoO3Undergoing a Photoinduced Insulator-Metal Transition. Physical Review Letters. 103(2). 27402–27402. 50 indexed citations

18.

Onda, Ken, Kenji Yonemitsu, Nobuya Maeshima, et al.. (2008). Photoinduced Change in the Charge Order Pattern in the Quarter-Filled Organic Conductor(EDO−TTF)2PF6with a Strong Electron-Phonon Interaction. Physical Review Letters. 101(6). 67403–67403. 78 indexed citations

19.

Ishikawa, Naoto, et al.. (2008). Effects of Chemically Induced Contraction of a Coordination Polyhedron on the Dynamical Magnetism of Bis(phthalocyaninato)disprosium, a Single-4f-Ionic Single-Molecule Magnet with a Kramers Ground State. Inorganic Chemistry. 47(22). 10217–10219. 131 indexed citations

20.

Yamamoto, Masaki, Takashi Kumasaka, Go Ueno, et al.. (2002). RIKEN structural genomics beamlines at SPring-8. Acta Crystallographica Section A Foundations of Crystallography. 58(s1). c302–c302. 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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