I. Kopp

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

About

I. Kopp is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy and Inorganic Chemistry. According to data from OpenAlex, I. Kopp has authored 19 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Atomic and Molecular Physics, and Optics, 8 papers in Spectroscopy and 7 papers in Inorganic Chemistry. Recurrent topics in I. Kopp's work include Advanced Chemical Physics Studies (12 papers), Inorganic Fluorides and Related Compounds (7 papers) and Spectroscopy and Laser Applications (6 papers). I. Kopp is often cited by papers focused on Advanced Chemical Physics Studies (12 papers), Inorganic Fluorides and Related Compounds (7 papers) and Spectroscopy and Laser Applications (6 papers). I. Kopp collaborates with scholars based in Sweden, United Kingdom and Canada. I. Kopp's co-authors include Jon T. Hougen, John M. Brown, D. A. Ramsay, A. J. Merer, H. Lefèbvre-Brion, J. W. C. Johns, Richard N. Zare, J. Rostas, Klaus Huber and B Rydh and has published in prestigious journals such as Molecular Physics, Journal of Molecular Spectroscopy and Die Naturwissenschaften.

In The Last Decade

I. Kopp

19 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.

The labeling of parity doublet levels in linear molecules

1975 722 citations John M. Brown, Jon T. Hougen et al. Journal of Molecular Spectroscopy profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
I. Kopp Sweden	11	999	828	368	110	104	19	1.2k
F.D. Wayne United Kingdom	11	594 0.6×	561 0.7×	259 0.7×	78 0.7×	60 0.6×	14	773
Christopher S. Gudeman United States	18	1.0k 1.0×	1.0k 1.2×	468 1.3×	151 1.4×	66 0.6×	30	1.4k
L. Veseth Norway	21	1.2k 1.2×	689 0.8×	254 0.7×	102 0.9×	106 1.0×	81	1.4k
J.M. Robbe France	20	1.1k 1.1×	668 0.8×	265 0.7×	83 0.8×	73 0.7×	49	1.2k
J. W. C. Johns Canada	25	847 0.8×	1.1k 1.3×	578 1.6×	156 1.4×	103 1.0×	57	1.4k
B. H. Mahan United States	18	950 1.0×	650 0.8×	237 0.6×	55 0.5×	103 1.0×	23	1.1k
Thomas C. James United States	16	412 0.4×	457 0.6×	440 1.2×	137 1.2×	89 0.9×	32	999
Harold Jones Germany	21	850 0.9×	767 0.9×	396 1.1×	140 1.3×	90 0.9×	90	1.2k
S. M. Freund United States	21	807 0.8×	803 1.0×	312 0.8×	270 2.5×	85 0.8×	48	1.2k
Ernst-Albrecht Reinsch Germany	17	1.2k 1.2×	596 0.7×	328 0.9×	117 1.1×	114 1.1×	25	1.4k

Countries citing papers authored by I. Kopp

Since Specialization

Citations

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

Fields of papers citing papers by I. Kopp

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of I. Kopp

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

19 of 19 papers shown

Colin, R., Michael Herman, & I. Kopp. (1979). Renner-Teller interactions in the acetylene molecule. Molecular Physics. 37(5). 1397–1412. 40 indexed citations

Brown, John M., I. Kopp, C Malmberg, & B Rydh. (1978). An Analysis of Hyperfine Interactions in the Electronic Spectrum of AIF. Physica Scripta. 17(2). 55–67. 84 indexed citations

Kopp, I., B. Lindgren, & C Malmberg. (1976). Rotational Analysis of the a³Π-X¹Σ⁺Transition of AlF. Physica Scripta. 14(4). 170–174. 11 indexed citations

Brown, John M., et al.. (1975). A re-investigation of the A 2 ∑+-X 2∏i band system of NCO. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 343(1632). 17–44. 92 indexed citations

Brown, John M., Jon T. Hougen, Klaus Huber, et al.. (1975). The labeling of parity doublet levels in linear molecules. Journal of Molecular Spectroscopy. 55(1-3). 500–503. 722 indexed citations breakdown →

Kopp, I., et al.. (1975). The a⁴Σ_3/2⁺ and the D²Π_1/2 States of YbH and YbD. Canadian Journal of Physics. 53(19). 2242–2252. 5 indexed citations

Barrow, R F, I. Kopp, & C Malmberg. (1974). The Electronic Spectrum of Gaseous AIF. Physica Scripta. 10(1-2). 86–102. 30 indexed citations

Gaydon, Alfred Gordon & I. Kopp. (1971). Predissociation in the spectrum of OH; a reinterpretation. Journal of Physics B Atomic and Molecular Physics. 4(5). 752–758. 12 indexed citations

Kopp, I. & R F Barrow. (1970). Electronic states of gaseous AlF. Journal of Physics B Atomic and Molecular Physics. 3(10). L118–L120. 7 indexed citations

10.

Yee, K. K., W. E. Jones, & I. Kopp. (1970). Emission spectrum of the PSb molecule. Journal of Molecular Spectroscopy. 33(1). 119–123. 6 indexed citations

11.

Kopp, I., et al.. (1970). Rotational analysis of the ND A Π-X Σ (0,0) band. Journal of Molecular Spectroscopy. 34(3). 487–499. 36 indexed citations

12.

Kopp, I. & Jon T. Hougen. (1967). ROTATIONAL ENERGY LEVELS OF STATES AND INTENSITIES IN TRANSITIONS: APPLICATIONS TO SOME HEAVIER HYDRIDES. Canadian Journal of Physics. 45(8). 2581–2596. 127 indexed citations

13.

Kopp, I.. (1967). ON THE SPECTRUM OF OCS IN THE VACUUM ULTRAVIOLET. Canadian Journal of Physics. 45(12). 4011–4017. 18 indexed citations

14.

Kopp, I., et al.. (1966). ROTATIONAL ANALYSIS OF THE A-X BAND SYSTEM OF BaH AND BaD. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 3 indexed citations

15.

Kopp, I., et al.. (1966). ON THE B-X BAND SYSTEM OF BaD. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 1 indexed citations

16.

Barrow, R F, I. Kopp, & R Scullman. (1963). Singlet Electronic States of Aluminium Monofluoride. Proceedings of the Physical Society. 82(4). 635–636. 5 indexed citations

17.

Barrow, R F, I. Kopp, & A. J. Merer. (1962). Rotational Analysis of the A² ⁺-X²II, B² ⁺-X²II Systems of SnF. Proceedings of the Physical Society. 79(4). 749–752. 10 indexed citations

18.

Kopp, I., et al.. (1962). Ultraviolette Bandenspektra von CaH, SrH und BaH. Die Naturwissenschaften. 49(18). 418–418. 1 indexed citations

19.

Kopp, I.. (1962). Rotationsanalyse eines Bandensystemes von YbH. Die Naturwissenschaften. 49(9). 202–202. 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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