Per Siegbahn

1.4k total citations · 1 hit paper
11 papers, 1.2k citations indexed

About

Per Siegbahn is a scholar working on Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Materials Chemistry. According to data from OpenAlex, Per Siegbahn has authored 11 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Atomic and Molecular Physics, and Optics, 5 papers in Electrical and Electronic Engineering and 5 papers in Materials Chemistry. Recurrent topics in Per Siegbahn's work include Advanced Chemical Physics Studies (10 papers), Molecular Junctions and Nanostructures (5 papers) and Machine Learning in Materials Science (2 papers). Per Siegbahn is often cited by papers focused on Advanced Chemical Physics Studies (10 papers), Molecular Junctions and Nanostructures (5 papers) and Machine Learning in Materials Science (2 papers). Per Siegbahn collaborates with scholars based in Sweden, United States and France. Per Siegbahn's co-authors include Björn O. Roos, Anders Heiberg, Bernard C. Levy, Ulf Wahlgren, Itai Panas, Josef Schüle, Ulf Brandemark, Henry F. Schaefer, Lars G. M. Pettersson and Margareta R. A. Blomberg and has published in prestigious journals such as The Journal of Chemical Physics, The Journal of Physical Chemistry and Chemical Physics Letters.

In The Last Decade

Per Siegbahn

11 papers receiving 1.2k 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.

A Comparison of the Super-CI and the Newton-Raphson Scheme in the Complete Active Space SCF Method

1980 628 citations Per Siegbahn, Anders Heiberg et al. Physica Scripta profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Per Siegbahn Sweden	10	885	502	183	180	170	11	1.2k
T. H. Upton United States	22	1.1k 1.2×	635 1.3×	243 1.3×	221 1.2×	102 0.6×	32	1.5k
Alain St‐Amant Canada	16	841 1.0×	487 1.0×	183 1.0×	242 1.3×	214 1.3×	26	1.2k
Richard R. Smardzewski United States	22	514 0.6×	352 0.7×	165 0.9×	245 1.4×	262 1.5×	57	1.1k
Ales̆ Zupan Slovenia	9	760 0.9×	702 1.4×	239 1.3×	196 1.1×	102 0.6×	10	1.3k
Ko-ichi Sugawara Japan	17	620 0.7×	423 0.8×	145 0.8×	92 0.5×	279 1.6×	49	1.1k
Y. M. Hamrick United States	15	622 0.7×	401 0.8×	141 0.8×	164 0.9×	123 0.7×	17	804
Irene Shim Denmark	24	878 1.0×	429 0.9×	370 2.0×	224 1.2×	148 0.9×	60	1.4k
D. M. Lindsay United States	27	1.2k 1.4×	722 1.4×	320 1.7×	418 2.3×	232 1.4×	56	1.8k
C. J. Nelin United States	19	1.3k 1.5×	867 1.7×	410 2.2×	215 1.2×	161 0.9×	30	1.8k
Phillip A. Christiansen United States	14	956 1.1×	337 0.7×	149 0.8×	298 1.7×	200 1.2×	15	1.3k

Countries citing papers authored by Per Siegbahn

Since Specialization

Citations

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

Fields of papers citing papers by Per Siegbahn

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Per Siegbahn

This figure shows the co-authorship network connecting the top 25 collaborators of Per Siegbahn. A scholar is included among the top collaborators of Per Siegbahn 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 Per Siegbahn. Per Siegbahn 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:

11 of 11 papers shown

1.

Wahlgren, Ulf, et al.. (1991). Oxygen chemisorption on metal surfaces using the cluster model: Basis set effects. Theoretical Chemistry Accounts. 79(6). 413–418. 3 indexed citations

2.

Panas, Itai, et al.. (1990). Electronic and geometric structure of the copper (Cun) cluster anions (n .ltoreq. 10). The Journal of Physical Chemistry. 94(14). 5471–5477. 64 indexed citations

3.

Panas, Itai, Josef Schüle, Per Siegbahn, & Ulf Wahlgren. (1988). On the cluster convergence of chemisorption energies. Chemical Physics Letters. 149(3). 265–272. 168 indexed citations

4.

Schüle, Josef, Per Siegbahn, & Ulf Wahlgren. (1988). A theoretical study of methyl chemisorption on Ni(111). The Journal of Chemical Physics. 89(11). 6982–6988. 83 indexed citations

5.

Panas, Itai, Josef Schüle, Ulf Brandemark, Per Siegbahn, & Ulf Wahlgren. (1988). Comparison of the binding of carbon, nitrogen, and oxygen atoms to single nickel atoms and to nickel surfaces. The Journal of Physical Chemistry. 92(11). 3079–3086. 52 indexed citations

6.

Panas, Itai, Per Siegbahn, & Ulf Wahlgren. (1988). Model studies of the chemisorption of hydrogen and oxygen on nickel surfaces. Theoretical Chemistry Accounts. 74(3). 167–184. 56 indexed citations

7.

Blomberg, Margareta R. A., et al.. (1988). The vibrational frequencies, the dissociation energy, and the electron affinity of nickel carbonyl. The Journal of Chemical Physics. 88(7). 4324–4333. 49 indexed citations

8.

Larsson, Sven, Björn O. Roos, & Per Siegbahn. (1983). AB initio SCF study of the electronic structure and spectrum of CuF2. Chemical Physics Letters. 96(4). 436–441. 15 indexed citations

9.

Siegbahn, Per, Anders Heiberg, Björn O. Roos, & Bernard C. Levy. (1980). A Comparison of the Super-CI and the Newton-Raphson Scheme in the Complete Active Space SCF Method. Physica Scripta. 21(3-4). 323–327. 628 indexed citations breakdown →

10.

Siegbahn, Per & Henry F. Schaefer. (1975). Potential energy surfaces for H + Li2 → LiH + Li ground state surface from large scale configuration interaction. The Journal of Chemical Physics. 62(9). 3488–3495. 39 indexed citations

11.

Kochanski, E., et al.. (1973). Ab initio SCF-CI studies of the intermolecular interaction between two hydrogen molecules near the Van der Waals minimum. Theoretical Chemistry Accounts. 32(2). 151–159. 22 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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