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, Katsutoshi Nagaoka, Kentaro Nariai, Leon Lefferts, K. Seshan, K. Seshan, Koji Inazu, Tadashi Baba, Toshikazu Onishi and Koji Yamazaki 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 sort by overperformance

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 →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
K. Aika	2.2k	1.9k	691	569	452	31	2.7k
Lucio Forni	1.2k 0.5×	1.9k 1.0×	441 0.6×	379 0.7×	558 1.2×	63	2.4k
Nicolas Bion	2.6k 1.2×	3.3k 1.7×	458 0.7×	976 1.7×	721 1.6×	105	3.9k
Igor Yuranov	770 0.3×	1.3k 0.7×	673 1.0×	399 0.7×	306 0.7×	45	1.9k
L. Petrov	1.6k 0.7×	2.3k 1.2×	582 0.8×	796 1.4×	431 1.0×	110	2.8k
Ouardia Akdim	1.8k 0.8×	2.0k 1.1×	407 0.6×	336 0.6×	1.1k 2.4×	40	2.9k
Hyuntae Sohn	1.3k 0.6×	1.6k 0.8×	336 0.5×	419 0.7×	343 0.8×	72	2.1k
Xin‐Pu Fu	1.4k 0.6×	1.8k 0.9×	566 0.8×	433 0.8×	797 1.8×	44	2.4k
P. Mars	1.5k 0.7×	1.7k 0.9×	316 0.5×	426 0.7×	264 0.6×	19	2.0k
Tom W. van Deelen	1.1k 0.5×	1.7k 0.9×	492 0.7×	446 0.8×	1.1k 2.4×	11	2.5k
Yuan Cao	1.6k 0.7×	2.6k 1.3×	590 0.9×	924 1.6×	895 2.0×	42	3.0k

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

Masih, Dilshad, Yasuo Izumi, K. Aika, & Yoshimi Seida. (2007). Optimization of an Iron Intercalated Montmorillonite Preparation for the Removal of Arsenic at Low Concentrations. Engineering in Life Sciences. 7(1). 52–60. 26 indexed citations

Takanabe, Kazuhiro, K. Aika, Koji Inazu, et al.. (2006). Steam reforming of acetic acid as a biomass derived oxygenate: Bifunctional pathway for hydrogen formation over Pt/ZrO2 catalysts. Journal of Catalysis. 243(2). 263–269. 135 indexed citations

Takanabe, Kazuhiro, Katsutoshi Nagaoka, Kentaro Nariai, & K. Aika. (2005). Titania-supported cobalt and nickel bimetallic catalysts for carbon dioxide reforming of methane. Journal of Catalysis. 232(2). 268–275. 405 indexed citations

Lefferts, Leon, et al.. (2003). Selective catalytic reduction of NOx with propylene in the presence of oxygen over Co–Pt promoted H-MFI and HY. Catalysis Today. 84(3-4). 139–147. 9 indexed citations

Aika, K., et al.. (1997). Molecular sensing techniques for the characterization and design of new ammonia catalysts. Applied Surface Science. 121-122. 488–491. 41 indexed citations

Takeishi, Kaoru & K. Aika. (1995). Comparison of carbon dioxide and carbon monoxide with respect to hydrogenation on Raney ruthenium catalysts. Applied Catalysis A General. 133(1). 31–45. 18 indexed citations

Aika, K., et al.. (1993). Surface structure of MoS2(001) determined by coaxial impact-collision ion scattering spectroscopy (CAICISS). Surface Science. 287-288. 396–399. 4 indexed citations

Aika, K.. (1992). Preparation and characterization of chlorine-free ruthenium catalysts and the promoter effect in ammonia synthesis 3. A magnesia-supported ruthenium catalyst. Journal of Catalysis. 136(1). 126–140. 265 indexed citations

Aika, K.. (1991). Oxidative coupling of methane over various metal oxides supported on strontium carbonate catalysts. Journal of Catalysis. 127(1). 1–8. 18 indexed citations

10.

Kudo, Akihiko, Akira Tanaka, Kazunari Domen, et al.. (1988). ChemInform Abstract: Photocatalytic Decomposition of Water Over NiO‐K4Nb6O17 Catalyst.. ChemInform. 19(35). 9 indexed citations

11.

Aika, K., Osamu Kato, Hisashi Matsuda, et al.. (1986). Support and promoter effect of ruthenium catalyst. III. Kinetics of ammonia synthesis over various Ru catalysts. Applied Catalysis. 28. 57–68. 160 indexed citations

12.

Aika, K.. (1985). Support and promoter effect of ruthenium catalyst I. Characterization of alkali-promoted ruthenium/alumina catalysts for ammonia synthesis. Journal of Catalysis. 92(2). 296–304. 151 indexed citations

13.

Aika, K.. (1985). Support and promoter effect of ruthenium catalyst II. Ruthenium/alkaline earth catalyst for activation of dinitrogen. Journal of Catalysis. 92(2). 305–311. 193 indexed citations

14.

Aika, K., et al.. (1983). SELECTIVITIES OF GROUP VIII METALS FOR THE HYDROGENATION OF FORMALDEHYDE AND THE EFFECT OF SUPPORT AND PROMOTER. Chemistry Letters. 12(3). 301–304. 7 indexed citations

15.

Aika, K.. (1982). Infrared-active nitrogen adsorbed on alumina, magnesia, or calcium oxide both with and without ruthenium. Journal of Catalysis. 78(1). 147–154. 14 indexed citations

16.

Aika, K., et al.. (1977). Poisoning titration technique for determining the number of active centers in a supported platinum catalyst. The Journal of Physical Chemistry. 81(14). 1399–1406. 47 indexed citations

17.

Aika, K., et al.. (1976). CHEMISORPTION AND CATALYTIC ACTIVITY OF A SET OF PLATINUM CATALYSTS. Hokkaido University Collection of Scholarly and Academic Papers (Hokkaido University). 24(1). 54–64. 15 indexed citations

18.

Aika, K.. (1970). Kinetics and isotope effect of ammonia synthesis over ruthenium. Journal of Catalysis. 16(1). 97–101. 43 indexed citations

19.

Aika, K.. (1970). Hydrogenolysis of hydrazine over metals. Journal of Catalysis. 19(2). 140–143. 36 indexed citations

20.

Aika, K.. (1970). Kinetics and isotope effect of ammonia synthesis over a singly-promoted iron catalyst. Journal of Catalysis. 19(3). 350–352. 41 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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