Masayasu Tokonami

2.6k total citations · 1 hit paper
59 papers, 2.2k citations indexed

About

Masayasu Tokonami is a scholar working on Materials Chemistry, Electronic, Optical and Magnetic Materials and Geophysics. According to data from OpenAlex, Masayasu Tokonami has authored 59 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Materials Chemistry, 15 papers in Electronic, Optical and Magnetic Materials and 13 papers in Geophysics. Recurrent topics in Masayasu Tokonami's work include Crystal Structures and Properties (13 papers), X-ray Diffraction in Crystallography (13 papers) and High-pressure geophysics and materials (9 papers). Masayasu Tokonami is often cited by papers focused on Crystal Structures and Properties (13 papers), X-ray Diffraction in Crystallography (13 papers) and High-pressure geophysics and materials (9 papers). Masayasu Tokonami collaborates with scholars based in Japan, Hungary and Russia. Masayasu Tokonami's co-authors include Nobuo Morimoto, Kazuhiro Otsuka, Shuichi Miyazaki, Y. Kudoh, Kazuhiro Toyoda, Nobuyuki Morimoto, Kichiro Koto, Kazumasa Sugiyama, Hiroyuki Horiuchi and Hiroyuki Horiuchi and has published in prestigious journals such as Nature, Science and Earth and Planetary Science Letters.

In The Last Decade

Masayasu Tokonami

57 papers receiving 2.1k 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.

Crystal structure of the martensite in Ti-49.2 at.%Ni alloy analyzed by the single crystal X-ray diffraction method

1985 373 citations Masayasu Tokonami et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Masayasu Tokonami Japan	26	1.2k	714	572	400	204	59	2.2k
Takashi Katsura Japan	31	1.0k 0.8×	738 1.0×	499 0.9×	361 0.9×	157 0.8×	93	2.4k
Hiroshi Mori Japan	29	714 0.6×	625 0.9×	470 0.8×	266 0.7×	144 0.7×	173	2.7k
E. F. Osborn United States	24	1.4k 1.2×	1.1k 1.5×	981 1.7×	603 1.5×	185 0.9×	33	3.3k
G. A. Lager United States	23	778 0.6×	738 1.0×	583 1.0×	91 0.2×	186 0.9×	43	1.8k
E. D. Crozier Canada	24	1.1k 0.9×	279 0.4×	250 0.4×	233 0.6×	120 0.6×	82	1.9k
T. Yamanaka Japan	29	1.6k 1.3×	943 1.3×	653 1.1×	302 0.8×	60 0.3×	121	2.6k
F. Frey Germany	23	1.4k 1.1×	230 0.3×	270 0.5×	253 0.6×	100 0.5×	102	1.9k
Arnulf Muan United States	33	1.5k 1.3×	555 0.8×	396 0.7×	1.6k 4.0×	154 0.8×	97	3.5k
Friedrich Seifert Germany	24	1.2k 1.0×	909 1.3×	350 0.6×	323 0.8×	414 2.0×	41	2.7k
F. Laves Switzerland	25	619 0.5×	429 0.6×	191 0.3×	204 0.5×	129 0.6×	77	1.6k

Countries citing papers authored by Masayasu Tokonami

Since Specialization

Citations

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

Fields of papers citing papers by Masayasu Tokonami

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Masayasu Tokonami

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

Sugiyama, Kazumasa & Masayasu Tokonami. (1990). The crystal structure refinements of the strontium and barium orthophosphates. Mineralogical Journal. 15(4). 141–146. 55 indexed citations

Sawada, Haruo, I. Kawada, E. Hellner, & Masayasu Tokonami. (1987). The crystal structure of senandorite (andorite VI): PbAgSb₃S₆. Zeitschrift für Kristallographie. 180(1-4). 141–150. 25 indexed citations

Aikawa, Nobuyuki, Mineo Kumazawa, & Masayasu Tokonami. (1985). Temperature dependence of intersite distribution of Mg and Fe in olivine and the associated change of lattice parameters. Physics and Chemistry of Minerals. 12(1). 1–8. 53 indexed citations

Yamanaka, T., Yoshio Takéuchi, & Masayasu Tokonami. (1984). Anharmonic thermal vibrations of atoms in MgAl₂O₄ spinel at temperatures up to 1933 K. Acta Crystallographica Section B Structural Science. 40(2). 96–102. 34 indexed citations

Nagasawa, Keinosuke, et al.. (1980). Major Element Composition of Clay Minerals in the Murchison (C2) Carbonaceous Chondrite Matrix. Memoirs of National Institute of Polar Research. Special issue. 17. 311–317. 3 indexed citations

Tokonami, Masayasu, et al.. (1980). Crystal-chemistry of MnGeO3 polymorphs. Journal of the Mineralogical Society of Japan. 14(Special3). 158–164. 4 indexed citations

Tokonami, Masayasu, et al.. (1980). Influence of silica on the formation of 11 Å tobermorite. Journal of the Mineralogical Society of Japan. 14(Special2). 172–180.

Parise, J.B., Aiichiro Nakano, Masayasu Tokonami, & Nobuyuki Morimoto. (1979). Structure of iron selenide 3C-Fe7Se8. Acta Crystallographica Section B. 35(5). 1210–1212. 16 indexed citations

Yamamoto, Akira, et al.. (1979). A general treatment of modulated structures. AIP conference proceedings. 53. 84–86. 2 indexed citations

10.

Watanabe, Masahiro, Masayasu Tokonami, & Nobuyuki Morimoto. (1977). The transition mechanism between the CsCl-type and NaCl-type structures in CsCl. Acta Crystallographica Section A. 33(2). 294–298. 58 indexed citations

11.

MATSUMOTΟ, Takeo, Masayasu Tokonami, & Nobuo Morimoto. (1975). The crystal structure of omphacite. American Mineralogist. 60. 634–641. 43 indexed citations

12.

Morimoto, Nobuo, Masayasu Tokonami, Mamoru Watanabe, & Kichiro Koto. (1974). Crystal Structures of Three Polymorphs of Co2SiO4. American Mineralogist. 59. 475–485. 74 indexed citations

13.

Morimoto, Nobuo, Masayasu Tokonami, Kichiro Koto, & Shigeo Nakajima. (1972). Crystal structures of the high pressure polymorphs of Mn2GeO4. American Mineralogist. 57. 62–75. 18 indexed citations

14.

Tokonami, Masayasu, et al.. (1972). Crystal Structure of a Monoclinic Pyrrhotite (Fe7S8). American Mineralogist. 57. 1066–1080. 101 indexed citations

15.

Horiuchi, Hiroyuki, Masayasu Tokonami, Nobuo Morimoto, et al.. (1971). Crystallography of. Materials Research Bulletin. 6(9). 833–843. 34 indexed citations

16.

Morimoto, Nobuyuki, Syun‐iti Akimoto, K. Koto, & Masayasu Tokonami. (1970). Crystal structures of high pressure modifications of Mn2GeO4 and Co2SiO4. Physics of The Earth and Planetary Interiors. 3. 161–165. 38 indexed citations

17.

Morimoto, Nobuo & Masayasu Tokonami. (1969). Oriented exsolution of augite in pigeonite. American Mineralogist. 54. 1101–1117. 23 indexed citations

18.

Morimoto, Nobuo & Masayasu Tokonami. (1969). Domain structure of pigeonite and clinoenstatite. American Mineralogist. 54. 725–740. 39 indexed citations

19.

Tokonami, Masayasu, et al.. (1965). A systematic method for unravelling a periodic vector set. Acta Crystallographica. 18(5). 908–916. 7 indexed citations

20.

Miyake, Shizuo, K. Fujiwara, Masayasu Tokonami, & F. Fujimoto. (1964). On “Lattice Image” in Electron Micrographs. Japanese Journal of Applied Physics. 3(5). 276–276. 1 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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