Kai Siegbahn

17.1k total citations · 15 hit papers
155 papers, 13.4k citations indexed

About

Kai Siegbahn is a scholar working on Atomic and Molecular Physics, and Optics, Radiation and Surfaces, Coatings and Films. According to data from OpenAlex, Kai Siegbahn has authored 155 papers receiving a total of 13.4k indexed citations (citations by other indexed papers that have themselves been cited), including 78 papers in Atomic and Molecular Physics, and Optics, 64 papers in Radiation and 47 papers in Surfaces, Coatings and Films. Recurrent topics in Kai Siegbahn's work include Advanced Chemical Physics Studies (49 papers), Electron and X-Ray Spectroscopy Techniques (47 papers) and X-ray Spectroscopy and Fluorescence Analysis (46 papers). Kai Siegbahn is often cited by papers focused on Advanced Chemical Physics Studies (49 papers), Electron and X-Ray Spectroscopy Techniques (47 papers) and X-ray Spectroscopy and Fluorescence Analysis (46 papers). Kai Siegbahn collaborates with scholars based in Sweden, United States and United Kingdom. Kai Siegbahn's co-authors include C. Nordling, P. Axel, U. Gelius, G. Johansson, T. Bergmark, Hans Siegbahn, Anders Fahlman, Evans Hayward, J. Hedman and Ragnar Nordberg and has published in prestigious journals such as Nature, Science and Journal of the American Chemical Society.

In The Last Decade

Kai Siegbahn

155 papers receiving 12.4k citations

Hit Papers

ESCA applied to free molecules 1955 2026 1978 2002 1969 1966 1967 1970 1965 500 1000 1.5k
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.

  1. ESCA applied to free molecules
    1969 1.7k citations Kai Siegbahn profile →
  2. Alpha-, Beta-, and Gamma-Ray Spectroscopy
    1966 1.3k citations Kai Siegbahn et al. profile →
  3. ESCA : atomic, molecular and solid state structure studied by means of electron spectroscopy
    1967 1.0k citations Kai Siegbahn, C. Nordling et al. profile →
  4. Molecular Spectroscopy by Means of ESCA II. Sulfur compounds. Correlation of electron binding energy with structure
    1970 768 citations K. Hamrin, G. Johansson et al. Physica Scripta profile →
  5. Alpha-, Beta-, and Gamma-Ray Spectroscopy
    1965 560 citations Kai Siegbahn et al. profile →
  6. Molecular Spectroscopy by Means of ESCA III.Carbon compounds
    1970 546 citations U. Gelius, J. Hedman et al. Physica Scripta profile →
  7. Beta- and Gamma-Ray Spectroscopy
    1955 356 citations Kai Siegbahn et al. profile →
  8. Core-electron relaxation energies and valence-band formation of linear alkanes studied in the gas phase by means of electron spectroscopy
    1976 204 citations S. Svensson, E. Basilier et al. profile →
  9. Electron spectroscopy - an outlook
    1974 204 citations Kai Siegbahn Journal of Electron Spectroscopy and Related Phenomena profile →
  10. Band Structure of Transition Metals Studied by ESCA
    1970 194 citations J. Hedman, C. Nordling et al. Physica Scripta profile →
  11. ESCA applied to liquids
    1973 191 citations Hans Siegbahn, Kai Siegbahn Journal of Electron Spectroscopy and Related Phenomena profile →
  12. Vibrational and lifetime line broadenings in ESCA
    1974 191 citations U. Gelius, S. Svensson et al. Chemical Physics Letters profile →
  13. A high resolution ESCA instrument with X-ray monochromator for gases and solids
    1973 183 citations U. Gelius, E. Basilier et al. Journal of Electron Spectroscopy and Related Phenomena profile →
  14. Lifetime Broadening and CI-Resonances Observed in ESCA
    1976 180 citations S. Svensson, E. Basilier et al. Physica Scripta profile →
  15. ESCA studies of CO2, CS2 and COS
    1972 154 citations C.J. Allan, U. Gelius et al. Journal of Electron Spectroscopy and Related Phenomena profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kai Siegbahn Sweden 55 7.0k 4.0k 3.4k 3.3k 2.1k 155 13.4k
D. A. Shirley United States 58 8.2k 1.2× 2.7k 0.7× 6.6k 2.0× 3.7k 1.1× 3.6k 1.8× 314 18.2k
J. Bearden United States 14 4.6k 0.7× 2.3k 0.6× 2.0k 0.6× 1.4k 0.4× 1.0k 0.5× 26 8.0k
J. Stöhr United States 78 12.6k 1.8× 3.9k 1.0× 7.6k 2.3× 3.5k 1.0× 4.8k 2.4× 270 21.4k
S. Svensson Sweden 51 7.9k 1.1× 2.3k 0.6× 2.3k 0.7× 2.4k 0.7× 1.8k 0.9× 324 10.8k
F. Sette France 61 7.5k 1.1× 2.3k 0.6× 6.0k 1.8× 1.4k 0.4× 1.9k 0.9× 187 14.3k
P. Eisenberger United States 56 4.5k 0.6× 3.0k 0.7× 5.8k 1.7× 2.1k 0.6× 4.0k 1.9× 137 13.1k
D. A. Shirley United States 54 5.7k 0.8× 2.2k 0.6× 2.6k 0.8× 2.9k 0.9× 1.5k 0.7× 160 8.7k
Manfred O. Krause United States 41 4.5k 0.6× 4.3k 1.1× 1.6k 0.5× 3.0k 0.9× 592 0.3× 140 8.1k
A. F. Burr United States 6 4.3k 0.6× 1.2k 0.3× 1.5k 0.4× 916 0.3× 921 0.4× 13 6.4k
C.E. Brion Canada 56 9.9k 1.4× 2.4k 0.6× 1.4k 0.4× 1.4k 0.4× 906 0.4× 290 11.9k

Countries citing papers authored by Kai Siegbahn

Since Specialization
Citations

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

Fields of papers citing papers by Kai Siegbahn

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kai Siegbahn

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

All Works

20 of 20 papers shown
1.
Hellborg, Ragnar & Kai Siegbahn. (2005). Electrostatic accelerators : fundamentals and applications. CERN Document Server (European Organization for Nuclear Research). 22 indexed citations
2.
Siegbahn, Kai. (2003). Introduction to the Physics of Highly Charged Ions. Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment. 500(1-3). 446–447. 18 indexed citations
3.
Nordgren, J., et al.. (1979). A New 10m Grazing Incidence Instrument for Molecular X-ray Studies. Physica Scripta. 20(5-6). 623–626. 15 indexed citations
4.
Lunell, Sten, S. Svensson, Per‐Åke Malmqvist, et al.. (1978). A theoretical and experimental study of the carbon 1s shake-up structure of benzene. Chemical Physics Letters. 54(3). 420–424. 44 indexed citations
5.
Jadrny, R., Leif Karlsson, Lars Mattsson, & Kai Siegbahn. (1977). Valence Electron Spectra of the Chlorofluoromethanes CF3Cl, CF2Cl2and CFCl3. Physica Scripta. 16(5-6). 235–241. 41 indexed citations
6.
Karlsson, Leif, Lars Mattsson, R. Jadrny, T. Bergmark, & Kai Siegbahn. (1976). Vibrational and Vibronic Structure in the Valence Electron Spectrum of H2S. Physica Scripta. 13(4). 229–234. 54 indexed citations
7.
Siegbahn, Hans, et al.. (1973). ESCA applied to high temperature molecular beams of bismuth and lead. Chemical Physics Letters. 19(1). 16–20. 34 indexed citations
8.
Svensson, S., Rasmus Nilsson, E. Basilier, et al.. (1973). Pyridine-iodomonochloride. A charge transfer complex studied by ESCA. Chemical Physics Letters. 23(2). 157–159. 14 indexed citations
9.
Allan, C.J., U. Gelius, David A. Allison, et al.. (1972). ESCA studies of CO2, CS2 and COS. Journal of Electron Spectroscopy and Related Phenomena. 1(2). 131–151. 154 indexed citations breakdown →
10.
Rabalais, J. W., T. Bergmark, L. Werme, Leif Karlsson, & Kai Siegbahn. (1971). The Jahn-Teller Effect in the Electron Spectrum of Methane. Physica Scripta. 3(1). 13–18. 109 indexed citations
11.
Gelius, U., C.J. Allan, G. Johansson, et al.. (1971). The ESCA Spectra of Benzene and the Iso-electronic Series, Thiophene, Pyrrole and Furan. Physica Scripta. 3(5). 237–242. 153 indexed citations
12.
Siegbahn, Kai, C. Nordling, Anders Fahlman, et al.. (1967). ESCA : atomic, molecular and solid state structure studied by means of electron spectroscopy. 1044 indexed citations breakdown →
13.
Christensen, A. Nørlund, Kai Siegbahn, Einar Stenhagen, et al.. (1966). On the Existence of Crystalline In2O.. Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry. 20. 1996–1997. 8 indexed citations
14.
Fahlman, Anders, et al.. (1966). Electron spectroscopic determination of electron binding energies in plutonium. Physics Letters. 19(8). 643–645. 6 indexed citations
15.
Fahlman, Anders, K. Hamrin, J. Hedman, et al.. (1966). Electron Spectroscopy and Chemical Binding. Nature. 210(5031). 4–8. 84 indexed citations
16.
Nordling, C., et al.. (1964). Application of electron spectroscopy to chemical analysis. The European Physical Journal A. 178(5). 433–438. 35 indexed citations
17.
Siegbahn, Kai, C. Nordling, Sven Karlsson, et al.. (1964). A 50-cm double focusing beta spectrometer of the current sheet type. Nuclear Instruments and Methods. 27(2). 173–189. 34 indexed citations
18.
Siegbahn, Kai. (1955). A new method for the precise determination of h/e. Applied Scientific Research Section B. 4(1). 25–33. 2 indexed citations
19.
Siegbahn, Kai, et al.. (1952). DETERMINATION OF MULTIPOLE ORDERS FROM INTERNAL PAIR FORMATION. 2 indexed citations
20.
Cauchois, Y., et al.. (1951). The Disintegration ofAs74. Physical Review. 82(2). 275–275. 24 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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