K. Aika

3.1k total citations · 1 hit paper
31 papers, 2.7k citations indexed

About

K. Aika is a scholar working on Catalysis, Materials Chemistry and Organic Chemistry. According to data from OpenAlex, K. Aika has authored 31 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 26 papers in Catalysis, 23 papers in Materials Chemistry and 7 papers in Organic Chemistry. Recurrent topics in K. Aika's work include Catalytic Processes in Materials Science (18 papers), Ammonia Synthesis and Nitrogen Reduction (14 papers) and Catalysts for Methane Reforming (9 papers). K. Aika is often cited by papers focused on Catalytic Processes in Materials Science (18 papers), Ammonia Synthesis and Nitrogen Reduction (14 papers) and Catalysts for Methane Reforming (9 papers). K. Aika collaborates with scholars based in Japan, Netherlands and India. K. Aika's co-authors include Kazuhiro Takanabe, Kentaro Nariai, Katsutoshi Nagaoka, Leon Lefferts, K. Seshan, K. Seshan, Tadashi Baba, Koji Inazu, Toshikazu Onishi and A. Ozaki and has published in prestigious journals such as The Journal of Physical Chemistry, Chemical Engineering Journal and Journal of Catalysis.

In The Last Decade

K. Aika

31 papers receiving 2.6k 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.

Activation of nitrogen by alkali metal promoted transition metal I. Ammonia synthesis over ruthenium promoted by alkali metal

1972 388 citations K. Aika Journal of Catalysis profile →

Peers

Countries citing papers authored by K. Aika

Since Specialization

Citations

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

Fields of papers citing papers by K. Aika

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of K. Aika

This figure shows the co-authorship network connecting the top 25 collaborators of K. Aika. A scholar is included among the top collaborators of K. Aika 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 K. Aika. K. Aika 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	Optimization of an Iron Intercalated Montmorillonite Preparation for the Removal of Arsenic at Low Concentrations 2007 ·Engineering in Life Sciences ·Dilshad Masih, Yasuo Izumi, K. Aika, Yoshimi Seida	26
2	Catalyst deactivation during steam reforming of acetic acid over Pt/ZrO2 2006 ·Chemical Engineering Journal ·Kazuhiro Takanabe, K. Aika, K. Seshan, Leon Lefferts	135
3	Steam reforming of acetic acid as a biomass derived oxygenate: Bifunctional pathway for hydrogen formation over Pt/ZrO2 catalysts 2006 ·Journal of Catalysis ·Kazuhiro Takanabe, K. Aika, Koji Inazu, Tadashi Baba, K. Seshan, Leon Lefferts	135
4	Titania-supported cobalt and nickel bimetallic catalysts for carbon dioxide reforming of methane 2005 ·Journal of Catalysis ·Kazuhiro Takanabe, Katsutoshi Nagaoka, Kentaro Nariai, K. Aika	405
5	Molecular sensing techniques for the characterization and design of new ammonia catalysts 1997 ·Applied Surface Science ·K. Aika, Jun Kubota, (unknown), Yusuke Niwa, Yasuo Izumi	41
6	Comparison of carbon dioxide and carbon monoxide with respect to hydrogenation on Raney ruthenium catalysts 1995 ·Applied Catalysis A General ·Kaoru Takeishi, K. Aika	18
7	Surface structure of MoS2(001) determined by coaxial impact-collision ion scattering spectroscopy (CAICISS) 1993 ·Surface Science ·(unknown), K. Aika, Hiroshi Kondoh, Hisakazu Nozoye	4
8	Preparation and characterization of chlorine-free ruthenium catalysts and the promoter effect in ammonia synthesis 3. A magnesia-supported ruthenium catalyst 1992 ·Journal of Catalysis ·K. Aika	265
9	ChemInform Abstract: Preparation and Characterization of Chlorine‐Free Ruthenium Catalysts and the Promoter Effect in Ammonia Synthesis. Part 1. An Alumina‐ Supported Ruthenium Catalyst 1992 ·ChemInform ·(unknown), K. Aika	1
10	Oxidative coupling of methane over various metal oxides supported on strontium carbonate catalysts 1991 ·Journal of Catalysis ·K. Aika	18
11	ChemInform Abstract: Photocatalytic Decomposition of Water Over NiO‐K4Nb6O17 Catalyst. 1988 ·ChemInform ·Akihiko Kudo, Akira Tanaka, Kazunari Domen, K. MARUYA, K. Aika, Toshikazu Onishi	9
12	Support and promoter effect of ruthenium catalyst. III. Kinetics of ammonia synthesis over various Ru catalysts 1986 ·Applied Catalysis ·K. Aika, (unknown), (unknown), Osamu Kato, Hisashi Matsuda, Noriaki Watanabe, Koji Yamazaki, A. Ozaki, Toshikazu Onishi	160
13	Support and promoter effect of ruthenium catalyst I. Characterization of alkali-promoted ruthenium/alumina catalysts for ammonia synthesis 1985 ·Journal of Catalysis ·K. Aika	151
14	SELECTIVITIES OF GROUP VIII METALS FOR THE HYDROGENATION OF FORMALDEHYDE AND THE EFFECT OF SUPPORT AND PROMOTER 1983 ·Chemistry Letters ·K. Aika, (unknown), Atsumu Ozaki	7
15	Infrared-active nitrogen adsorbed on alumina, magnesia, or calcium oxide both with and without ruthenium 1982 ·Journal of Catalysis ·K. Aika	14
16	Poisoning titration technique for determining the number of active centers in a supported platinum catalyst 1977 ·The Journal of Physical Chemistry ·(unknown), K. Aika, Seitarô Namba, John Turkevich	47
17	CHEMISORPTION AND CATALYTIC ACTIVITY OF A SET OF PLATINUM CATALYSTS 1976 ·Hokkaido University Collection of Scholarly and Academic Papers (Hokkaido University) ·K. Aika, (unknown), Ichiro Okura, Seitarô Namba, John Turkevich	15
18	Activation of nitrogen by alkali metal-promoted transition metal III. On the adsorption of nitrogen over the alkali metal-promoted ruthenium catalyst 1974 ·Journal of Catalysis ·K. Aika	23
19	Kinetics and isotope effect of ammonia synthesis over ruthenium 1970 ·Journal of Catalysis ·K. Aika	43
20	Hydrogenolysis of hydrazine over metals 1970 ·Journal of Catalysis ·K. Aika	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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