R. Sappok

871 total citations · 1 hit paper
9 papers, 765 citations indexed

About

R. Sappok is a scholar working on Materials Chemistry, Mechanical Engineering and Mechanics of Materials. According to data from OpenAlex, R. Sappok has authored 9 papers receiving a total of 765 indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Materials Chemistry, 2 papers in Mechanical Engineering and 1 paper in Mechanics of Materials. Recurrent topics in R. Sappok's work include Catalytic Processes in Materials Science (5 papers), Diamond and Carbon-based Materials Research (4 papers) and Graphene research and applications (2 papers). R. Sappok is often cited by papers focused on Catalytic Processes in Materials Science (5 papers), Diamond and Carbon-based Materials Research (4 papers) and Graphene research and applications (2 papers). R. Sappok collaborates with scholars based in Germany and United States. R. Sappok's co-authors include H.P. Boehm, Manfred Schneider, Michael Herrmann and P.L. Walker and has published in prestigious journals such as Carbon, Colloid & Polymer Science and Zeitschrift für anorganische und allgemeine Chemie.

In The Last Decade

R. Sappok

8 papers receiving 711 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.

Surface Oxides of Carbon

1964 481 citations H.P. Boehm, R. Sappok et al. Angewandte Chemie International Edition in English profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R. Sappok Germany	6	362	175	154	139	132	9	765
B. R. Sant India	10	186 0.5×	154 0.9×	97 0.6×	114 0.8×	73 0.6×	46	547
J.M. Solar United States	5	333 0.9×	137 0.8×	204 1.3×	108 0.8×	163 1.2×	5	654
Adriana Conţescu Romania	7	517 1.4×	130 0.7×	106 0.7×	120 0.9×	147 1.1×	12	818
Karol Putyera United States	17	492 1.4×	142 0.8×	166 1.1×	124 0.9×	155 1.2×	34	905
Rodney P. Townsend United Kingdom	21	430 1.2×	54 0.3×	173 1.1×	143 1.0×	162 1.2×	50	1.2k
Barbara Linsen Netherlands	5	366 1.0×	68 0.4×	97 0.6×	126 0.9×	113 0.9×	6	751
R. Olier France	15	548 1.5×	127 0.7×	127 0.8×	103 0.7×	106 0.8×	39	1.1k
Stanka Kratohvil United States	11	291 0.8×	80 0.5×	162 1.1×	152 1.1×	62 0.5×	17	688
Stephen J. Doktycz United States	6	704 1.9×	136 0.8×	140 0.9×	337 2.4×	74 0.6×	6	1.0k
Howard S. Sherry United States	12	283 0.8×	51 0.3×	70 0.5×	70 0.5×	117 0.9×	22	723

Countries citing papers authored by R. Sappok

Since Specialization

Citations

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

Fields of papers citing papers by R. Sappok

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of R. Sappok

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

All Works

Sort: Min cites: Since: Top N: Style:

9 of 9 papers shown

1.

Sappok, R. & P.L. Walker. (1969). Removal of SO₂From Flue Gases Using Carbon at Elevated Temperatures. Journal of the Air Pollution Control Association. 19(11). 856–861. 6 indexed citations

2.

Sappok, R. & H.P. Boehm. (1969). Gravimetrische Bestimmung des aktiven Wasserstoffs an Festkörper‐Oberflächen. Zeitschrift für anorganische und allgemeine Chemie. 365(3-4). 152–156. 4 indexed citations

3.

Sappok, R. & H.P. Boehm. (1969). Vermeidung von Konvektion in Thermo‐Mikrowaagen. Chemie Ingenieur Technik. 41(14). 829–830.

4.

Sappok, R. & H.P. Boehm. (1968). Chemie der oberfläche des diamanten—I benetzungswärmen, elektronenspinresonanz und infrarotspektren der oberflächenhydride,-halogenide und-oxide. Carbon. 6(3). 283–295. 55 indexed citations

5.

Boehm, H.P., et al.. (1968). Die Chemie der Oberfläche fester Stoffe. Colloid & Polymer Science. 227(1-2). 17–27. 27 indexed citations

6.

Sappok, R. & H.P. Boehm. (1968). Chemie der oberfläche des diamanten—II. Bildung, eigenschaften und struktur der oberflächenoxide. Carbon. 6(5). 573–588. 46 indexed citations

7.

Boehm, H.P., et al.. (1964). Oberflächenoxyde des Kohlenstoffs. Angewandte Chemie. 76(17). 742–751. 144 indexed citations

8.

Boehm, H.P., et al.. (1964). 137. Acidic surface oxides on carbon. Carbon. 1(3). 394–394. 2 indexed citations

9.

Boehm, H.P., et al.. (1964). Surface Oxides of Carbon. Angewandte Chemie International Edition in English. 3(10). 669–677. 481 indexed citations breakdown →

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.

Explore authors with similar magnitude of impact