Keiji Tanaka

7.5k total citations · 2 hit papers
222 papers, 5.8k citations indexed

About

Keiji Tanaka is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Ceramics and Composites. According to data from OpenAlex, Keiji Tanaka has authored 222 papers receiving a total of 5.8k indexed citations (citations by other indexed papers that have themselves been cited), including 196 papers in Materials Chemistry, 108 papers in Electrical and Electronic Engineering and 95 papers in Ceramics and Composites. Recurrent topics in Keiji Tanaka's work include Phase-change materials and chalcogenides (187 papers), Glass properties and applications (95 papers) and Chalcogenide Semiconductor Thin Films (78 papers). Keiji Tanaka is often cited by papers focused on Phase-change materials and chalcogenides (187 papers), Glass properties and applications (95 papers) and Chalcogenide Semiconductor Thin Films (78 papers). Keiji Tanaka collaborates with scholars based in Japan, Israel and Spain. Keiji Tanaka's co-authors include H. Hisakuni, K. Shimakawa, Akira Odajima, Takayuki Kato, Norimitsu Yoshida, Nobuaki Terakado, Tamihiro Gotoh, Akira Saitoh, Kentaro Sugawara and Yoshihiro Ohtsuka and has published in prestigious journals such as Science, Physical Review Letters and Physical review. B, Condensed matter.

In The Last Decade

Keiji Tanaka

217 papers receiving 5.5k citations

Hit Papers

Structural phase transitions in chalcogenide glasses 1980 2026 1995 2010 1989 1980 100 200 300 400
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.

  1. Structural phase transitions in chalcogenide glasses
    1989 486 citations Keiji Tanaka Physical review. B, Condensed matter profile →
  2. Optical properties and photoinduced changes in amorphous AsS films
    1980 460 citations Keiji Tanaka profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Keiji Tanaka Japan 39 5.1k 3.0k 2.4k 1.4k 1.1k 222 5.8k
K. Shimakawa Japan 29 3.0k 0.6× 2.1k 0.7× 1.2k 0.5× 519 0.4× 436 0.4× 193 3.5k
Qiuhua Nie China 30 3.0k 0.6× 2.7k 0.9× 1.9k 0.8× 634 0.5× 374 0.3× 320 4.2k
A.E. Owen United Kingdom 29 2.5k 0.5× 1.8k 0.6× 1.2k 0.5× 410 0.3× 304 0.3× 130 3.1k
Tatsuo Shimizu Japan 34 3.4k 0.7× 3.5k 1.2× 748 0.3× 384 0.3× 399 0.4× 330 4.6k
K. V. Yumashev Belarus 37 2.5k 0.5× 3.8k 1.3× 1.2k 0.5× 309 0.2× 321 0.3× 259 4.9k
Jas Sanghera United States 28 1.7k 0.3× 1.9k 0.6× 1.0k 0.4× 483 0.3× 231 0.2× 134 3.0k
A. Winnacker Germany 42 2.1k 0.4× 3.2k 1.1× 543 0.2× 707 0.5× 656 0.6× 260 5.2k
R. Balda Spain 39 3.7k 0.7× 2.7k 0.9× 2.7k 1.1× 151 0.1× 308 0.3× 271 4.8k
S. Pelli Italy 35 1.6k 0.3× 2.4k 0.8× 1.3k 0.5× 491 0.4× 176 0.2× 222 3.7k
Sean W. King United States 33 1.7k 0.3× 2.6k 0.9× 254 0.1× 511 0.4× 1.4k 1.3× 194 4.0k

Countries citing papers authored by Keiji Tanaka

Since Specialization
Citations

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

Fields of papers citing papers by Keiji Tanaka

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Keiji Tanaka

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

All Works

20 of 20 papers shown
1.
Tanaka, Keiji & Akira Saitoh. (2025). Photoluminescence in sulfur and selenium chains: Polaronic exciton dynamics. Computational Materials Science. 263. 114403–114403.
2.
Tanaka, Keiji. (2024). Defects in Se, As2S3, and GeS2 glasses: Ab initio analyses of related clusters. Journal of Non-Crystalline Solids. 633. 122950–122950. 2 indexed citations
3.
Tanaka, Keiji. (2023). Mechanisms of the photodarkening in chalcogenide glasses: Strains or defects?. Journal of Non-Crystalline Solids. 622. 122650–122650. 1 indexed citations
4.
Saitoh, Akira, et al.. (2023). Photo-induced bending of chalcogenide glass fiber. Applied Physics Express. 16(11). 112002–112002. 2 indexed citations
5.
Tanaka, Keiji. (2023). Mechanisms of fast crystallization in amorphous Ge2Sb2Te5 films. Japanese Journal of Applied Physics. 62(6). 68001–68001.
6.
Tanaka, Keiji. (2020). Notes on Reproducibility of Ge2Sb2Te5 Properties. physica status solidi (b). 257(6). 3 indexed citations
7.
Tanaka, Keiji, Nobuaki Terakado, & Akira Saitoh. (2008). Photoinduced anisotropic deformations in covalent chalcogenide glasses. Journal of Optoelectronics and Advanced Materials. 10(1). 124–130. 19 indexed citations
8.
Saitoh, Akira, et al.. (2008). Un-stability of Sputtered Ge2Sb2Te5Films in Electrical Phase Changes. Applied Physics Express. 1. 21501–21501. 3 indexed citations
9.
Tanaka, Keiji, Akira Saitoh, & Nobuaki Terakado. (2006). Giant photo-expansion in chalcogenide glass. Journal of Optoelectronics and Advanced Materials. 8(6). 2058–2065. 35 indexed citations
10.
Kato, Takayuki & Keiji Tanaka. (2005). Electronic Properties of Amorphous and Crystalline Ge2Sb2Te5 Films. Japanese Journal of Applied Physics. 44(10R). 7340–7340. 195 indexed citations
11.
Terakado, Nobuaki & Keiji Tanaka. (2004). Photo-induced phenomena in sputtered GeO2 films. Journal of Non-Crystalline Solids. 351(1). 54–60. 26 indexed citations
12.
Tanaka, Keiji. (2004). Midgap photon effects in As2S3glass. Philosophical Magazine Letters. 84(9). 601–606. 15 indexed citations
13.
Sugawara, Kentaro, Tamihiro Gotoh, & Keiji Tanaka. (2004). Nanoscale Phase Change in Telluride Films Induced with Scanning Tunneling Microscopes. Japanese Journal of Applied Physics. 43(5B). L676–L676. 18 indexed citations
14.
Tanaka, Keiji. (2002). Photoinduced fluidity in chalcogenide glasses. Comptes Rendus Chimie. 5(11). 805–811. 43 indexed citations
15.
Gotoh, Tamihiro & Keiji Tanaka. (2001). Photoinduced surface deformations in ion-conducting Ag–As–S glasses. II. Anisotropic deformation produced by large light spots. Journal of Applied Physics. 89(9). 4703–4706. 7 indexed citations
16.
Kolobov, Alexander V., H. Ōyanagi, Kazunobu Tanaka, & Keiji Tanaka. (1997). Structural study of amorphous selenium by in situ EXAFS: Observation of photoinduced bond alternation. Physical review. B, Condensed matter. 55(2). 726–734. 141 indexed citations
17.
Tanaka, Keiji & K. Shimakawa. (1991). Pressure effects in organopolysilane. Solid State Communications. 78(8). 755–757.
18.
Tanaka, Keiji. (1989). Structural phase transitions in chalcogenide glasses. Physical review. B, Condensed matter. 39(2). 1270–1279. 486 indexed citations breakdown →
19.
Tanaka, Keiji. (1988). Pressure dependence of the first sharp diffraction peak in chalcogenide and oxide glasses. Philosophical Magazine Letters. 57(3). 183–187. 38 indexed citations
20.
Tanaka, Keiji. (1985). Glass transition of covalent glasses. Solid State Communications. 54(10). 867–869. 102 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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