Masayuki Koikawa

2.1k total citations · 1 hit paper
79 papers, 1.9k citations indexed

About

Masayuki Koikawa is a scholar working on Electronic, Optical and Magnetic Materials, Oncology and Inorganic Chemistry. According to data from OpenAlex, Masayuki Koikawa has authored 79 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 60 papers in Electronic, Optical and Magnetic Materials, 57 papers in Oncology and 50 papers in Inorganic Chemistry. Recurrent topics in Masayuki Koikawa's work include Magnetism in coordination complexes (59 papers), Metal complexes synthesis and properties (57 papers) and Metal-Catalyzed Oxygenation Mechanisms (36 papers). Masayuki Koikawa is often cited by papers focused on Magnetism in coordination complexes (59 papers), Metal complexes synthesis and properties (57 papers) and Metal-Catalyzed Oxygenation Mechanisms (36 papers). Masayuki Koikawa collaborates with scholars based in Japan, United States and United Kingdom. Masayuki Koikawa's co-authors include Hisashi O̅kawa, Naohide Matsumoto, Sigeo Kida, Tadashi Tokii, Hiroko Tamaki, Yuzo Hashimoto, Zhuang Jin Zhong, N. Achiwa, Sigeo Kida and Masaaki Ohba and has published in prestigious journals such as Journal of the American Chemical Society, Chemical Communications and Inorganic Chemistry.

In The Last Decade

Masayuki Koikawa

78 papers receiving 1.8k 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.

Design of metal-complex magnets. Syntheses and magnetic properties of mixed-metal assemblies {NBu4[MCr(ox)3]}x (NBu4+ = tetra(n-butyl)ammonium ion; ox2- = oxalate ion; M = Mn2+, Fe2+, Co2+, Ni2+, Cu2+, Zn2+)

1992 697 citations Hiroko Tamaki, Zhuang Jin Zhong et al. Journal of the American Chemical Society profile →

Peers

Masayuki Koikawa

EOMM

ONCOL

Juraj Černák Slovakia

Zhuang Jin Zhong Japan

Montserrat Monfort Spain

A.K. Boudalis Greece

Santokh S. Tandon Canada

Samia Benmansour Spain

Leigh F. Jones United Kingdom

R. Costa Spain

R.H. Laye United Kingdom

Sacramento Ferrer Spain

Juraj Černák Slovakia

Masayuki Koikawa

1.6k ×1.1

EOMM

963 ×0.9

764 ×0.8

ONCOL

812 ×1.0

305 ×1.0

Citations per year, relative to Masayuki Koikawa Masayuki Koikawa (= 1×) peers Juraj Černák

Countries citing papers authored by Masayuki Koikawa

Since Specialization

Citations

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

Fields of papers citing papers by Masayuki Koikawa

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Masayuki Koikawa

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

Hasegawa, Kyoko, et al.. (2024). Syntheses, Structures, and Electrochemical Properties of Metallacyclic Oxidovanadium(V) Complexes with Asymmetric Multidentate Linking Ligands. Molecules. 29(8). 1700–1700. 1 indexed citations

Fukuda, Masato, Ken Eguchi, K Matsumoto, et al.. (2023). Novel Tetranuclear Heterometallic Mn3Ni and Mononuclear Ni Complexes with an ONO Schiff Base Ligand: Synthesis, Crystal Structures, and Magnetic Properties. Magnetochemistry. 9(11). 225–225.

Sakiyama, Hiroshi, Kosuke Yoshida, Ryoji Mitsuhashi, et al.. (2020). Detailed magnetic analysis and successful deep-neural-network-based conformational prediction for [VO(dmso)₅][BPh₄]₂. RSC Advances. 10(16). 9678–9685. 3 indexed citations

Sakiyama, Hiroshi, et al.. (2017). Magneto-structural correlation of hexakis-dmso cobalt(ii) complex. Dalton Transactions. 46(46). 16306–16314. 11 indexed citations

Yamada, Yasunori, et al.. (2016). Stereospecific interaction of optically active sulfur-bridged dinuclear Co(III)–Pt(II) complex with pseudo-enantiomeric Co(III)–M(II) (M: Pd or Pt) complex involving unequivalent π electronic system. Inorganica Chimica Acta. 450. 225–231. 3 indexed citations

Koikawa, Masayuki, et al.. (2014). Stereospecific π–π stacking interactions between pseudo-enantiomeric sulfur-bridged dinuclear Co(III)–Pd(II) and Co(III)–Pt(II) complexes with optically active propanediamines. Journal of Coordination Chemistry. 67(9). 1639–1651. 2 indexed citations

Koikawa, Masayuki, et al.. (2003). Syntheses, magnetic properties, and reactivity of dinuclear oxovanadium (IV) and copper (II) complexes with (μ-diphenylphosphinato)-bridges. Inorganic Chemistry Communications. 6(4). 374–376. 5 indexed citations

Asato, Eiji, et al.. (2002). Insertion of a strongly π–π stacked chloranilate pair into an M4 arrangement preorganized within a large macrocyclic ligand (M = Zn2+ and Cu2+)Electronic supplementary information (ESI) available: Fig S1: variable-temperature EPR spectra. See http://www.rsc.org/suppdata/cc/b2/b202529a/. Chemical Communications. 1258–1259. 8 indexed citations

Koikawa, Masayuki, Hiromi Yamashita, & Tadashi Tokii. (2002). Synthesis, structure, and characterization of dicopper(II) complex with a new amidate ligand. Inorganic Chemistry Communications. 6(2). 157–161. 15 indexed citations

10.

Koikawa, Masayuki, et al.. (1999). Synthesis and crystal structure of a novel hexanuclear Zr(IV) complex with 1,10-phenanthroline including carboxylato, hydroxo, and oxo bridging. Polyhedron. 18(6). 787–792. 19 indexed citations

11.

Koikawa, Masayuki, et al.. (1999). Structural Characterization and Magnetic Properties of Triply Carboxylato-Bridged Dinuclear Copper(II) Complexes. Bulletin of the Chemical Society of Japan. 72(5). 1025–1035. 9 indexed citations

12.

Koikawa, Masayuki, et al.. (1999). Assembly of a Tetranuclear Mixed-Valence Manganese(II,III) Complex from a Binuclear Manganese(II) Complex by Photo-Irradiation. Chemistry Letters. 28(5). 437–438. 2 indexed citations

13.

Koikawa, Masayuki, et al.. (1997). The First Example of .MU.-Oxo-bis-(.MU.-carbozylato) dioxovanadium (IV,V) Complex.. Chemistry Letters. 26(5). 463–464. 2 indexed citations

14.

Koikawa, Masayuki, et al.. (1995). Synthesis, Structure, and Magnetic Properties of Dinuclear Copper(II) Complexes with Novel Triple Carboxylato-Bridging Linkages. Chemistry Letters. 24(10). 869–870. 10 indexed citations

15.

Mikuriya, Masahiro, et al.. (1995). Syntheses and Structural Characterization of Dinuclear and Trinuclear Iron(II) Complexes of Tridentate Thiolic Ligands with an NNS Donor Set. Bulletin of the Chemical Society of Japan. 68(2). 574–580. 16 indexed citations

16.

Tamaki, Hiroko, Zhuang Jin Zhong, Naohide Matsumoto, et al.. (1992). Design of metal-complex magnets. Syntheses and magnetic properties of mixed-metal assemblies {NBu4[MCr(ox)3]}x (NBu4+ = tetra(n-butyl)ammonium ion; ox2- = oxalate ion; M = Mn2+, Fe2+, Co2+, Ni2+, Cu2+, Zn2+). Journal of the American Chemical Society. 114(18). 6974–6979. 697 indexed citations breakdown →

17.

Matsumoto, Naohide, Hiroko Tamaki, Masayuki Koikawa, et al.. (1991). Synthesis and Magnetic Property of Imidazolate-Bridged Trinuclear Cu(II)–Fe(III)–Cu(II) Complexes. Effect of Fe(III) Spin-State Upon Spin-Coupling. Chemistry Letters. 20(8). 1393–1396. 8 indexed citations

18.

O̅kawa, Hisashi, Naohide Matsumoto, Masayuki Koikawa, Keiko Takeda, & Sigeo Kida. (1990). Binuclear copper(II) complexes bridged by oxamidate and dithio-oxamidate groups. Synthesis, structure, and magnetism. Journal of the Chemical Society Dalton Transactions. 1383–1387. 35 indexed citations

19.

Koikawa, Masayuki, et al.. (1989). Synthesis, structure, and redox properties of dicopper(II,II) complexes of N-(2-hydroxyphenyl)salicylamide and homologues. Facile oxidation to dicopper-(II,III) and -(III,III) species; crystal structure of bis(tetrabutylphosphonium) bis{[(2-oxidobenzoyl)(2′-oxidophenyl)amido(3–)-NO²,µ-O^2′]cuprate(II)}. Journal of the Chemical Society Dalton Transactions. 2089–2094. 18 indexed citations

20.

Koikawa, Masayuki, et al.. (1989). Synthesis and characterization of cobalt(III) and cobalt(IV) complexes of N-(2-hydroxyphenyl)salicylamide and homologues. Journal of the Chemical Society Dalton Transactions. 1613–1616. 15 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