A. Takayama

2.5k total citations · 1 hit paper
37 papers, 1.9k citations indexed

About

A. Takayama is a scholar working on Atomic and Molecular Physics, and Optics, Condensed Matter Physics and Materials Chemistry. According to data from OpenAlex, A. Takayama has authored 37 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 30 papers in Atomic and Molecular Physics, and Optics, 19 papers in Condensed Matter Physics and 16 papers in Materials Chemistry. Recurrent topics in A. Takayama's work include Topological Materials and Phenomena (16 papers), Quantum and electron transport phenomena (15 papers) and Surface and Thin Film Phenomena (15 papers). A. Takayama is often cited by papers focused on Topological Materials and Phenomena (16 papers), Quantum and electron transport phenomena (15 papers) and Surface and Thin Film Phenomena (15 papers). A. Takayama collaborates with scholars based in Japan, Russia and Taiwan. A. Takayama's co-authors include S. Souma, T. Sato, K. Sugawara, T. Takahashi, Shuji Hasegawa, Satoru Ichinokura, Takahiro Takahashi, Xi Dai, J. L. Luo and P. Richard and has published in prestigious journals such as Physical Review Letters, Nature Communications and Nano Letters.

In The Last Decade

A. Takayama

35 papers receiving 1.9k citations

Hit Papers

Observation of Fermi-surface–dependent nodeless supercond... 2008 2026 2014 2020 2008 200 400 600
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. Observation of Fermi-surface–dependent nodeless superconducting gaps in Ba 0.6 K 0.4 Fe 2 As 2
    2008 728 citations K. Sugawara, A. Takayama et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
A. Takayama Japan 17 983 967 816 801 280 37 1.9k
Yunbo Ou United States 16 947 1.0× 877 0.9× 817 1.0× 938 1.2× 211 0.8× 38 1.8k
Ziji Xiang China 24 1.4k 1.4× 811 0.8× 1.3k 1.6× 747 0.9× 278 1.0× 84 2.3k
T. Arakane Japan 10 623 0.6× 324 0.3× 816 1.0× 406 0.5× 285 1.0× 18 1.2k
A. McCollam Netherlands 22 1.3k 1.3× 564 0.6× 1.4k 1.7× 470 0.6× 232 0.8× 68 1.9k
Xiancheng Wang China 21 819 0.8× 478 0.5× 871 1.1× 709 0.9× 138 0.5× 109 1.6k
Hsueh-Hui Kuo United States 17 1.3k 1.3× 1.0k 1.1× 1.1k 1.3× 1.1k 1.4× 230 0.8× 27 2.4k
Z. Wang United States 16 1.7k 1.8× 478 0.5× 1.6k 2.0× 380 0.5× 342 1.2× 20 2.3k
C. R. Rotundu United States 19 766 0.8× 487 0.5× 653 0.8× 377 0.5× 129 0.5× 65 1.2k
Shancai Wang China 20 656 0.7× 603 0.6× 538 0.7× 581 0.7× 100 0.4× 48 1.3k
Rongwei Hu United States 24 1.1k 1.1× 316 0.3× 1.2k 1.5× 376 0.5× 181 0.6× 59 1.5k

Countries citing papers authored by A. Takayama

Since Specialization
Citations

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

Fields of papers citing papers by A. Takayama

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of A. Takayama

This figure shows the co-authorship network connecting the top 25 collaborators of A. Takayama. A scholar is included among the top collaborators of A. Takayama 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 A. Takayama. A. Takayama 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.
Takahashi, Kazutoshi, et al.. (2023). Electronic structure of Sb ultrathin film on Bi(111) with large lattice mismatch. AIP Advances. 13(5). 1 indexed citations
2.
Bondarenko, L. V., A. Y. Tupchaya, Д.В. Грузнев, et al.. (2020). Superconducting proximity effect in a Rashba-type surface state of Pb/Ge(111). Superconductor Science and Technology. 33(7). 75007–75007. 3 indexed citations
3.
Hobara, Rei, Ryota Akiyama, A. Takayama, et al.. (2020). Two-dimensional conducting layer on the SrTiO3 surface induced by hydrogenation. Physical review. B.. 101(8). 2 indexed citations
4.
Fukui, Naoya, Rei Hobara, A. Takayama, et al.. (2020). Scattering of topological surface-state carriers at steps on surfaces. Physical review. B.. 102(11). 4 indexed citations
5.
Ichinokura, Satoru, Yuki Nakata, K. Sugawara, et al.. (2019). Vortex-induced quantum metallicity in the mono-unit-layer superconductor NbSe2. Physical review. B.. 99(22). 16 indexed citations
6.
Ichinokura, Satoru, Ryota Akiyama, A. Takayama, et al.. (2018). Weak localization in bilayer graphene with Li-intercalation/desorption. Journal of Physics Condensed Matter. 30(30). 305701–305701. 6 indexed citations
7.
Nakamura, Tomonori, L. V. Bondarenko, A. Y. Tupchaya, et al.. (2018). Superconductivity of Pb Ultrathin Film on Ge(111) Surface. Defect and diffusion forum/Diffusion and defect data, solid state data. Part A, Defect and diffusion forum. 386. 80–85. 1 indexed citations
8.
Nakamura, Tomonori, Hyungjun Kim, Satoru Ichinokura, et al.. (2018). Unconventional superconductivity in the single-atom-layer alloy Si(111)−√3×√3−(Tl,Pb). Physical review. B.. 98(13). 17 indexed citations
9.
Chen, Peng, Woei Wu Pai, Yang‐Hao Chan, et al.. (2018). Emergence of charge density waves and a pseudogap in single-layer TiTe2. RePEc: Research Papers in Economics. 2018. 1 indexed citations
10.
Takahashi, T., K. Sugawara, Satoru Ichinokura, A. Takayama, & Shuji Hasegawa. (2017). Two-Dimensional Superconductivity in Intercalated Bilayer Graphene. Hyomen Kagaku. 38(9). 460–465. 1 indexed citations
11.
Ito, Suguru, Baojie Feng, Masashi Arita, et al.. (2016). Proving Nontrivial Topology of Pure Bismuth by Quantum Confinement. Physical Review Letters. 117(23). 236402–236402. 71 indexed citations
12.
Matetskiy, A. V., Satoru Ichinokura, L. V. Bondarenko, et al.. (2015). Two-Dimensional Superconductor with a Giant Rashba Effect: One-Atom-Layer Tl-Pb Compound on Si(111). Physical Review Letters. 115(14). 147003–147003. 93 indexed citations
13.
Takayama, A., T. Sato, S. Souma, et al.. (2015). Topological proximity effect in a topological insulator hybrid. Nature Communications. 6(1). 6547–6547. 57 indexed citations
14.
Takayama, A., T. Sato, S. Souma, Tamio Oguchi, & T. Takahashi. (2015). One-Dimensional Edge States with Giant Spin Splitting in a Bismuth Thin Film. Physical Review Letters. 114(6). 66402–66402. 64 indexed citations
15.
16.
Souma, S., Masashi Komatsu, M. A. Nomura, et al.. (2012). Spin Polarization of Gapped Dirac Surface States Near the Topological Phase Transition inTlBi(S1−xSex)2. Physical Review Letters. 109(18). 186804–186804. 32 indexed citations
17.
Takayama, A., T. Sato, S. Souma, Tamio Oguchi, & T. Takahashi. (2012). Tunable Spin Polarization in Bismuth Ultrathin Film on Si(111). Nano Letters. 12(4). 1776–1779. 58 indexed citations
18.
Takayama, A., T. Sato, S. Souma, & T. Takahashi. (2011). Giant Out-of-Plane Spin Component and the Asymmetry of Spin Polarization in Surface Rashba States of Bismuth Thin Film. Physical Review Letters. 106(16). 166401–166401. 78 indexed citations
19.
Souma, S., Koji Kosaka, T. Sato, et al.. (2011). Direct Measurement of the Out-of-Plane Spin Texture in the Dirac-Cone Surface State of a Topological Insulator. Physical Review Letters. 106(21). 147 indexed citations
20.
Takayama, A., et al.. (2009). Magnetic Phase Transition of CeSb Studied by Low-Energy Angle-Resolved Photoemission Spectroscopy. Journal of the Physical Society of Japan. 78(7). 73702–73702. 11 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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