Riichiro Ohta

1.1k total citations · 1 hit paper
24 papers, 979 citations indexed

About

Riichiro Ohta is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Biomedical Engineering. According to data from OpenAlex, Riichiro Ohta has authored 24 papers receiving a total of 979 indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Materials Chemistry, 12 papers in Electrical and Electronic Engineering and 6 papers in Biomedical Engineering. Recurrent topics in Riichiro Ohta's work include Diamond and Carbon-based Materials Research (10 papers), Molecular Junctions and Nanostructures (4 papers) and Semiconductor materials and devices (4 papers). Riichiro Ohta is often cited by papers focused on Diamond and Carbon-based Materials Research (10 papers), Molecular Junctions and Nanostructures (4 papers) and Semiconductor materials and devices (4 papers). Riichiro Ohta collaborates with scholars based in Japan, Switzerland and United States. Riichiro Ohta's co-authors include Atsuto Okamoto, Kazuo Okamoto, A. Nagoya, Ichiro Tajima, Hiroyuki Tetsuka, Ryoji Asahi, Osamu Takai, Nagahiro Saito, Yasushi Inoue and Hiroyuki Sugimura and has published in prestigious journals such as Advanced Materials, Applied Physics Letters and Journal of Applied Physics.

In The Last Decade

Riichiro Ohta

24 papers receiving 968 citations

Hit Papers

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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.

Optically Tunable Amino‐Functionalized Graphene Quantum Dots

2012 778 citations Hiroyuki Tetsuka, Ryoji Asahi et al. Advanced Materials profile →

Peers

Countries citing papers authored by Riichiro Ohta

Since Specialization

Citations

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

Fields of papers citing papers by Riichiro Ohta

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Riichiro Ohta

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

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	New Insight into Fluorescent Polymeric Carbon Dots for Solid-State Laser Device 2023 ·ACS Sustainable Chemistry & Engineering ·Barun Kumar Barman, David Hernández‐Pinilla, Ovidiu Cretu, Riichiro Ohta, Keiko Okano, Toshifumi Shiroya, (unknown), Koji Kimoto, Tadaaki Nagao	22
2	Generation of dielectric barrier discharge using carbon nanotube sheets as an electrode under high-density fluids including high pressure gases, supercritical fluids, and liquids 2019 ·Plasma Sources Science and Technology ·(unknown), Riichiro Ohta, Sven Stauss, Kazuo Terashima	2
3	Prediction of Molecular Affinity on Solid Surfaces via Three-Dimensional Solubility Parameters Using Interfacial Free Energy as Interaction Threshold 2019 ·The Journal of Physical Chemistry ·(unknown), Riichiro Ohta	1
4	Behavior of stress generated in semiconductor chips with high-temperature joints: Influence of mechanical properties of joint materials 2018 ·Journal of Applied Physics ·(unknown), (unknown), Riichiro Ohta, (unknown)	6
5	Plasma states and carbon film deposition in glow discharge connected to dielectric barrier discharge 2018 ·Vacuum ·(unknown), Riichiro Ohta	3
6	Electrodeposition of strontium apatite nanorod arrays and their cell compatibility 2017 ·Ceramics International ·(unknown), Minoru Hirano, Riichiro Ohta	6
7	Nontoxic organic solvents identified using ana prioriapproach with Hansen solubility parameters 2017 ·Chemical Communications ·Daisuke Nakamura, Minoru Hirano, Riichiro Ohta	20
8	Efficient Catalytic Electrode for CO₂ Reduction Realized by Physisorbing Ni(cyclam) Molecules with Hydrophobicity Based on Hansen’s Theory 2016 ·ACS Applied Materials & Interfaces ·(unknown), Gaku Kitahara, Tomiko M. Suzuki, Riichiro Ohta	7
9	Optically Tunable Amino‐Functionalized Graphene Quantum Dots breakdown → 2012 ·Advanced Materials ·Hiroyuki Tetsuka, Ryoji Asahi, A. Nagoya, Kazuo Okamoto, Ichiro Tajima, Riichiro Ohta, Atsuto Okamoto	778
10	Alignment-retainable nitrogenation of cylindrical carbon nanotubes by thermal reaction with ammonia following UV oxidation: chemical alteration effects on electrical conductivity 2011 ·Chemical Communications ·Riichiro Ohta, (unknown), (unknown), Itaru Gunjishima, Koichi Nishikawa, (unknown), Atsuto Okamoto	1
11	Anti-agglomerating effect in vertically aligned carbon nanotubes derived by antisolvent precipitation of naphthalene 2010 ·Chemical Communications ·Riichiro Ohta, Itaru Gunjishima, Kazuma Shinozaki, Tatsuya Hatanaka, Atsuto Okamoto, (unknown)	6
12	Length dependent behavior of a carbon nanotube interacting at liquid-air interface 2008 ·Applied Physics Letters ·(unknown), You Li, Riichiro Ohta, (unknown), (unknown), Cattien V. Nguyen	5
13	Visualization of human plasma fibrinogen adsorbed on highly oriented pyrolytic graphite by scanning probe microscopy 2006 ·Surface Science ·Riichiro Ohta, Nagahiro Saito, Takahiro Ishizaki, Osamu Takai	25
14	Synthesis of nitrogen-rich carbon nitride thin films via magnetic field-assisted inductively coupled plasma sputtering 2006 ·Vacuum ·Riichiro Ohta, T. Yokota, (unknown), Nagahiro Saito, Osamu Takai	1
15	Depth profiles of the Fermi level at an amorphous-carbon nitride/SiO2/n-type-Si heterojunction interface obtained by Kelvin probe force microscopy 2005 ·Diamond and Related Materials ·Takahiro Ishizaki, Nagahiro Saito, Riichiro Ohta, Osamu Takai	1
16	Amorphous carbon and carbon nitride multilayered films prepared by shielded arc ion plating 2004 ·Thin Solid Films ·(unknown), Riichiro Ohta, Hiroyuki Sugimura, Yasushi Inoue, Osamu Takai	11
17	Exploration of the chemical bonding forms of alkoxy-type organic monolayers directly attached to silicon 2004 ·Journal of Vacuum Science & Technology A Vacuum Surfaces and Films ·Nagahiro Saito, Sunhyung Lee, (unknown), Riichiro Ohta, Hiroyuki Sugimura, Osamu Takai	4
18	Contribution of Primary Chemical Bonding States of Amorphous Carbon Nitride to Hardness 2004 ·Electrochemical and Solid-State Letters ·Nagahiro Saito, Riichiro Ohta, (unknown), Yoshiaki Kobayashi, Susumu Okazaki, Yasushi Inoue, Hiroyuki Sugimura, Osamu Takai	1
19	Chemical Bonding States Analysis of Amorphous Carbon Nitride Films Supported by Ab-Initio Molecular Orbital Methods -Interpretation of X-ray Photoelectron Spectra- 2003 ·Journal of The Surface Finishing Society of Japan ·Riichiro Ohta, (unknown), Nagahiro Saito, Yasushi Inoue, Hiroyuki Sugimura, Osamu Takai	5
20	Origin of N 1s spectrum in amorphous carbon nitride obtained by X-ray photoelectron spectroscopy 2003 ·Thin Solid Films ·Riichiro Ohta, (unknown), Nagahiro Saito, Yasushi Inoue, Hiroyuki Sugimura, Osamu Takai	36

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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