T. Yajima

1.8k total citations · 1 hit paper
16 papers, 1.6k citations indexed

About

T. Yajima is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, T. Yajima has authored 16 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Materials Chemistry, 6 papers in Electrical and Electronic Engineering and 6 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in T. Yajima's work include Advancements in Solid Oxide Fuel Cells (13 papers), Electronic and Structural Properties of Oxides (11 papers) and Magnetic and transport properties of perovskites and related materials (6 papers). T. Yajima is often cited by papers focused on Advancements in Solid Oxide Fuel Cells (13 papers), Electronic and Structural Properties of Oxides (11 papers) and Magnetic and transport properties of perovskites and related materials (6 papers). T. Yajima collaborates with scholars based in Japan. T. Yajima's co-authors include H. Iwahara, H. Suzuki, Takashi Hibino, Toshinobu Yogo, Kosuke Ozaki, Keisuke Mizutani, Hiroyuki Uchida, Takahiro Ohashi, Noriaki Kurita and Noriaki Matsunami and has published in prestigious journals such as Applied Physics Letters, Sensors and Actuators B Chemical and Solid State Ionics.

In The Last Decade

T. Yajima

16 papers receiving 1.5k citations

Hit Papers

Protonic conduction in calcium, strontium and barium zirc... 1993 2026 2004 2015 1993 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. Protonic conduction in calcium, strontium and barium zirconates
    1993 471 citations H. Iwahara, T. Yajima et al. Solid State Ionics profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
T. Yajima Japan 14 1.5k 639 420 153 136 16 1.6k
N. Bonanos United Kingdom 13 954 0.6× 320 0.5× 410 1.0× 95 0.6× 85 0.6× 16 1.0k
Yutaka Nigara Japan 20 1.1k 0.8× 387 0.6× 424 1.0× 111 0.7× 206 1.5× 40 1.3k
Stuart N. Cook United Kingdom 12 1.6k 1.1× 728 1.1× 724 1.7× 231 1.5× 100 0.7× 21 1.7k
Yutaka Adachi Japan 20 920 0.6× 630 1.0× 451 1.1× 140 0.9× 31 0.2× 94 1.2k
Atsushi Kaimai Japan 19 1.1k 0.7× 401 0.6× 424 1.0× 90 0.6× 293 2.2× 43 1.3k
N.‐H. CHAN United States 7 1.2k 0.8× 697 1.1× 304 0.7× 111 0.7× 26 0.2× 8 1.3k
Péter Ágoston Germany 14 917 0.6× 647 1.0× 216 0.5× 64 0.4× 19 0.1× 16 1.0k
N. Benramdane Algeria 20 917 0.6× 944 1.5× 214 0.5× 74 0.5× 28 0.2× 39 1.2k
E.L. Ameziane Morocco 18 627 0.4× 833 1.3× 140 0.3× 89 0.6× 50 0.4× 60 1.1k
A. Sepúlveda Belgium 19 512 0.3× 403 0.6× 245 0.6× 130 0.8× 40 0.3× 26 904

Countries citing papers authored by T. Yajima

Since Specialization
Citations

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

Fields of papers citing papers by T. Yajima

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

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

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

All Works

16 of 16 papers shown
1.
Nishimura, Tomonori, et al.. (2017). Thermal oxidation kinetics of germanium. Applied Physics Letters. 111(5). 21 indexed citations
2.
Yajima, T., et al.. (2004). Hyperspectral alteration mineral mapping using the POSAM method. 2. 1491–1493. 1 indexed citations
3.
Kurita, Noriaki, et al.. (1995). Proton conductors of oxide and their application to research into metal-hydrogen systems. Journal of Alloys and Compounds. 231(1-2). 706–712. 33 indexed citations
4.
Iwahara, H., et al.. (1994). Effect of ionic radii of dopants on mixed ionic conduction (H++O2−) in BaCeO3-based electrolytes. Solid State Ionics. 70-71. 267–271. 111 indexed citations
5.
6.
Yajima, T., et al.. (1993). A new hydrogen sensor for molten aluminum. Sensors and Actuators B Chemical. 14(1-3). 697–699. 60 indexed citations
7.
Iwahara, H., T. Yajima, Takashi Hibino, Kosuke Ozaki, & H. Suzuki. (1993). Protonic conduction in calcium, strontium and barium zirconates. Solid State Ionics. 61(1-3). 65–69. 471 indexed citations breakdown →
8.
Hibino, Takashi, Keisuke Mizutani, T. Yajima, & H. Iwahara. (1992). Evaluation of proton conductivity in SrCeO3, BaCeO3, CaZrO3 and SrZrO3 by temperature programmed desorption method. Solid State Ionics. 57(3-4). 303–306. 122 indexed citations
9.
10.
Yajima, T., H. Suzuki, Toshinobu Yogo, & H. Iwahara. (1992). Protonic conduction in SrZrO3-based oxides. Solid State Ionics. 51(1-2). 101–107. 235 indexed citations
11.
Matsunami, Noriaki, T. Yajima, & H. Iwahara. (1992). Permeation of implanted deuterium through SrCeO3 (5% Yb). Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms. 65(1-4). 278–281. 18 indexed citations
12.
13.
Yajima, T., et al.. (1991). CaZrO3-type hydrogen and steam sensors: trial fabrication and their characteristics. Sensors and Actuators B Chemical. 5(1-4). 145–147. 65 indexed citations
14.
Yajima, T., et al.. (1991). Proton conduction in sintered oxides based on CaZrO3. Solid State Ionics. 47(3-4). 271–275. 215 indexed citations
15.
Yajima, T., H. Iwahara, & Hiroyuki Uchida. (1991). Protonic and oxide ionic conduction in BaCeO3-based ceramics — effect of partial substitution for Ba in BaCe0.9O3−α with Ca. Solid State Ionics. 47(1-2). 117–124. 65 indexed citations
16.
Yajima, T., et al.. (1990). Relation between proton conduction and concentration of oxide ion vacancy in SrCeO3 based sintered oxides. Solid State Ionics. 40-41. 914–917. 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.

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