Knut Fægri

13.7k total citations · 4 hit papers
128 papers, 10.7k citations indexed

About

Knut Fægri is a scholar working on Atomic and Molecular Physics, and Optics, Organic Chemistry and Inorganic Chemistry. According to data from OpenAlex, Knut Fægri has authored 128 papers receiving a total of 10.7k indexed citations (citations by other indexed papers that have themselves been cited), including 57 papers in Atomic and Molecular Physics, and Optics, 28 papers in Organic Chemistry and 23 papers in Inorganic Chemistry. Recurrent topics in Knut Fægri's work include Advanced Chemical Physics Studies (56 papers), Atomic and Molecular Physics (21 papers) and Inorganic Fluorides and Related Compounds (14 papers). Knut Fægri is often cited by papers focused on Advanced Chemical Physics Studies (56 papers), Atomic and Molecular Physics (21 papers) and Inorganic Fluorides and Related Compounds (14 papers). Knut Fægri collaborates with scholars based in Norway, United States and Sweden. Knut Fægri's co-authors include Johannes Iversen, Jan Almløf, Kenneth G. Dyall, Johs. Iversen, Trond Saue, John B. Iverson, Winifred Tutin, Leendert van der Pijl, Judith Turner and Odd Gropen and has published in prestigious journals such as Nature, Journal of the American Chemical Society and Physical Review Letters.

In The Last Decade

Knut Fægri

123 papers receiving 9.7k 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.

Textbook of Pollen Analysis

1989 3.8k citations Knut Fægri et al. profile →
Textbook of Pollen Analysis.

1975 857 citations Knut Fægri et al. profile →
Principles for a direct SCF approach to LICAO–MOab‐initio calculations

1982 593 citations Knut Fægri et al. profile →
Textbook of Pollen Analysis.

1965 511 citations Knut Fægri et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Knut Fægri Norway	39	4.5k	2.7k	2.1k	1.5k	1.4k	128	10.7k
Michael W. Schmidt United States	66	4.2k 0.9×	10.9k 4.1×	475 0.2×	4.8k 3.2×	1.4k 1.0×	229	37.8k
Christopher P. McKay United States	87	7.8k 1.7×	489 0.2×	2.2k 1.1×	7.6k 5.1×	550 0.4×	735	25.2k
Willi A. Brand Germany	47	2.8k 0.6×	334 0.1×	191 0.1×	3.4k 2.3×	630 0.5×	135	9.8k
Jeffrey L. Bada United States	67	1.3k 0.3×	556 0.2×	229 0.1×	3.2k 2.2×	209 0.2×	214	12.5k
Andrew F. Bennett Australia	61	2.4k 0.5×	527 0.2×	1.4k 0.7×	6.1k 4.1×	391 0.3×	256	15.6k
Robert M. Hazen United States	73	1.1k 0.2×	1.3k 0.5×	207 0.1×	737 0.5×	243 0.2×	367	19.7k
Marion H. O’Leary United States	32	1.7k 0.4×	79 0.0×	360 0.2×	2.4k 1.6×	1.3k 1.0×	108	7.3k
H. W. Gäggeler Switzerland	56	5.6k 1.3×	709 0.3×	108 0.1×	631 0.4×	89 0.1×	236	8.9k
Marilyn L. Fogel United States	66	3.4k 0.8×	106 0.0×	912 0.4×	9.0k 6.0×	645 0.5×	227	15.8k
Richard B. Frankel United States	65	3.3k 0.7×	822 0.3×	92 0.0×	373 0.2×	244 0.2×	229	13.5k

Countries citing papers authored by Knut Fægri

Since Specialization

Citations

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

Fields of papers citing papers by Knut Fægri

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Knut Fægri

This figure shows the co-authorship network connecting the top 25 collaborators of Knut Fægri. A scholar is included among the top collaborators of Knut Fægri 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 Knut Fægri. Knut Fægri 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

Saue, Trond, et al.. (2006). Bonding analysis using localized relativistic orbitals: Water, the ultrarelativistic case and the heavy homologues H2X (X=Te, Po, eka-Po). The Journal of Chemical Physics. 124(15). 154307–154307. 36 indexed citations

Quiney, Harry M., Jon K. Laerdahl, Knut Fægri, & Trond Saue. (1998). Ab initioDirac-Hartree-Fock calculations of chemical properties andPT-odd effects in thallium fluoride. Physical Review A. 57(2). 920–944. 45 indexed citations

Seth, Michael, Knut Fægri, & Peter Schwerdtfeger. (1998). The Stability of the Oxidation State +4 in Group 14 Compounds from Carbon to Element 114. Angewandte Chemie International Edition. 37(18). 2493–2496. 94 indexed citations

Dyall, Kenneth G. & Knut Fægri. (1996). Optimization of Gaussian basis sets for Dirac–Hartree–Fock calculations. 94(1). 39–39. 4 indexed citations

Fægri, Knut, et al.. (1996). Optimization of Gaussian basis sets for Dirac-Hartree-Fock calculations. Theoretical Chemistry Accounts. 94(1). 39–51. 19 indexed citations

Swang, Ole, Knut Fægri, & Odd Gropen. (1993). Theoretical cluster model studies of bimetallic heterogeneous catalysis: dissociation of hydrogen on a rhenium-doped nickel cluster. Chemical Physics Letters. 207(4-6). 397–402.

Fægri, Knut, Kjell-Gunnar Martinsen, T. G. Strand, et al.. (1993). The Molecular Structure of Molybdenum Pentachloride Studied by Ab Initio Molecular Orbital Calculations and Gas Electron Diffraction.. 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. 47. 547–553. 17 indexed citations

Swang, Ole, Knut Fægri, Odd Gropen, Ulf Wahlgren, & Per E. M. Siegbahn. (1991). A theoretical study of the chemisorption of methane on a Ni(100) surface. Chemical Physics. 156(3). 379–386. 48 indexed citations

Fægri, Knut & Charles W. Bauschlicher. (1991). Heteronuclear transition metal diatomics: The bonding and electronic structure of ScNi, YNi, ScPd, and YPd. Chemical Physics. 153(3). 399–408. 9 indexed citations

10.

Fægri, Knut. (1990). Palaeolimnology and lake acidification: a summary. Philosophical transactions of the Royal Society of London. Series B, Biological sciences. 327(1240). 441–445. 7 indexed citations

11.

Andersen, Richard A., David J. Berg, Liv Fernholt, et al.. (1988). Monomeric, Base-Free Mn(II) Dialkyls; Synthesis, Magnetic Properties and Molecular Structure of MnR2 [R = CH(SiMe3)2], SCF MO Calculations on Mn(CH3)2 and Photoelectron Spectra of Mn(CH2CMe3)2.. 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. 42a. 554–562. 20 indexed citations

12.

Rasmussen, Kjeld, Camillo Tosi, Knut Fægri, et al.. (1983). Conformational Analysis of 1,2-Ethanediamine and 1,3-Propanediamine by CFF, PCILO and ab initio Methods.. 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. 37a. 79–91. 8 indexed citations

13.

Fægri, Knut & Walter Kosmus. (1980). Ground state geometry of cinso. Journal of Molecular Structure. 66. 217–220. 3 indexed citations

14.

Fægri, Knut & Hugh P. Kelly. (1979). Calculated Auger transition rates for HF. Physical review. A, General physics. 19(4). 1649–1655. 56 indexed citations

15.

Fægri, Knut. (1978). TRANSLITTERATION AND THE ICBN. Taxon. 27(2-3). 303–304.

16.

Fægri, Knut, et al.. (1976). Calculated Auger emission spectrum of ammonia. Chemical Physics Letters. 40(2). 185–188. 47 indexed citations

17.

Birknes, Bjørn, et al.. (1975). Empirical Correlation of CNDO/2 and Extended Hückel Ionization Energies for the Azines.. 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. 29a. 580–582. 1 indexed citations

18.

Fægri, Knut. (1966). Some problems of representivity in pollen analysis. Journal of Palaeosciences. 15((1-3)). 135–140. 4 indexed citations

19.

Fægri, Knut. (1965). Reflections on the Development of Pollination Systems in African Proteaceae. Journal of South African Botany. 31. 133–136. 6 indexed citations

20.

Fægri, Knut. (1956). Science Babel. Nature. 177(4503). 343–344. 1 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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