C. J. Ballhausen

10.5k total citations · 4 hit papers
113 papers, 8.4k citations indexed

About

C. J. Ballhausen is a scholar working on Materials Chemistry, Organic Chemistry and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, C. J. Ballhausen has authored 113 papers receiving a total of 8.4k indexed citations (citations by other indexed papers that have themselves been cited), including 36 papers in Materials Chemistry, 33 papers in Organic Chemistry and 32 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in C. J. Ballhausen's work include Advanced Chemical Physics Studies (17 papers), Magnetism in coordination complexes (15 papers) and Inorganic and Organometallic Chemistry (13 papers). C. J. Ballhausen is often cited by papers focused on Advanced Chemical Physics Studies (17 papers), Magnetism in coordination complexes (15 papers) and Inorganic and Organometallic Chemistry (13 papers). C. J. Ballhausen collaborates with scholars based in Denmark, United States and Australia. C. J. Ballhausen's co-authors include Michael A. Weiner, Harry B. Gray, Andrew D. Liehr, Nils Andreas Sörensen, Aage E. Hansen, Ulf Ragnarsson, Erling Sunde, Svend Erik Rasmussen, Jannik Bjerrum and Chr. Klixbüll Jørgensen and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and Journal of The Electrochemical Society.

In The Last Decade

C. J. Ballhausen

111 papers receiving 7.8k citations

Hit Papers

align trajectories sort by overperformance

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.

Introduction to Ligand Field Theory

1963 2.0k citations C. J. Ballhausen et al. profile →
The Electronic Structure of the Vanadyl Ion

1962 1.3k citations C. J. Ballhausen, Harry B. Gray profile →
Introduction to ligand fields

1966 1.1k citations C. J. Ballhausen profile →
A Molecular Orbital Theory for Square Planar Metal Complexes

1963 362 citations Harry B. Gray, C. J. Ballhausen profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
C. J. Ballhausen Denmark	31	3.6k	2.6k	2.3k	2.3k	1.9k	113	8.4k
Chr. Klixbüll Jørgensen Switzerland	37	3.2k 0.9×	1.5k 0.6×	1.7k 0.8×	1.8k 0.8×	1.3k 0.7×	117	6.3k
David H. Templeton United States	51	4.5k 1.3×	1.8k 0.7×	2.1k 0.9×	3.4k 1.5×	468 0.3×	236	9.2k
Bruce R. McGarvey Canada	37	2.7k 0.8×	2.1k 0.8×	1.4k 0.6×	1.7k 0.8×	1.4k 0.8×	145	5.9k
F. L. Hirshfeld Israel	22	3.0k 0.8×	1.1k 0.4×	2.6k 1.1×	1.7k 0.7×	581 0.3×	43	7.6k
Arne F. Andresen Norway	41	2.7k 0.8×	2.1k 0.8×	1.4k 0.6×	1.6k 0.7×	384 0.2×	415	6.8k
A. Zalkin United States	49	3.2k 0.9×	1.8k 0.7×	3.1k 1.3×	4.2k 1.8×	451 0.2×	202	7.7k
E. L. Muetterties United States	68	4.3k 1.2×	1.5k 0.6×	7.6k 3.3×	6.8k 3.0×	1.5k 0.8×	300	14.9k
H. Preuß Germany	35	4.9k 1.4×	1.6k 0.6×	4.3k 1.9×	5.3k 2.4×	800 0.4×	171	13.3k
Lawrence F. Dahl United States	59	3.0k 0.8×	2.2k 0.8×	6.7k 2.9×	5.6k 2.5×	1.5k 0.8×	258	10.6k
Ian Dance Australia	51	3.8k 1.1×	2.3k 0.9×	3.3k 1.4×	3.7k 1.7×	2.0k 1.1×	291	9.8k

Countries citing papers authored by C. J. Ballhausen

Since Specialization

Citations

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

Fields of papers citing papers by C. J. Ballhausen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by C. J. Ballhausen. 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 C. J. Ballhausen. The network helps show where C. J. Ballhausen may publish in the future.

Co-authorship network of co-authors of C. J. Ballhausen

This figure shows the co-authorship network connecting the top 25 collaborators of C. J. Ballhausen. A scholar is included among the top collaborators of C. J. Ballhausen 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 C. J. Ballhausen. C. J. Ballhausen 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

Ballhausen, C. J. & Michael Gajhede. (1990). The tunnel effect and scattering by a negative Kratzer potential. Chemical Physics Letters. 165(5). 449–452. 7 indexed citations

Ballhausen, C. J., et al.. (1987). Understanding molecular properties : a symposium in honour of Professor Carl Johan Ballhausen held at the Royal Danish Academy of Sciences and Letters, April 4 and 5, 1986. 1 indexed citations

Ballhausen, C. J.. (1982). A variational treatment of some excited e ⊗ ε jahn-teller states. Chemical Physics Letters. 93(5). 407–409.

Ballhausen, C. J. & Thor A. Bak. (1980). Mixings of vibronic levels under an electronic coupling operator. Journal of Molecular Structure. 59. 265–272. 1 indexed citations

Høg, Jens H., C. J. Ballhausen, & Edward I. Solomon. (1976). Stark effect in KCrO₃Cl. Molecular Physics. 32(3). 807–814. 4 indexed citations

Miskowski, Vincent M., Harry B. Gray, & C. J. Ballhausen. (1974). Electronic spectra of mono-substituted chromates. Molecular Physics. 28(3). 729–745. 21 indexed citations

Ballhausen, C. J.. (1972). The crystal field splittings in the 5f complexes. Theoretical Chemistry Accounts. 24(2-3). 234–240. 13 indexed citations

Malmros, Gunnar, Liv Fernholt, C. J. Ballhausen, et al.. (1970). The Crystal Structure of alpha-Bi2O2.. 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. 24. 384–396. 147 indexed citations

Kierkegaard, Peder, John M. Longo, C. J. Ballhausen, et al.. (1970). A Refinement of the Crystal Structure of MoOPO4.. 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. 24. 427–432. 30 indexed citations

10.

Ballhausen, C. J., et al.. (1969). Investigation of the electronic structure of Ticl4. Theoretical Chemistry Accounts. 13(5). 355–364. 30 indexed citations

11.

Stomberg, Rolf, et al.. (1968). Studies on Peroxidomolybdates. III. Unit Cell Dimensions for Two Peroxidoheptamolybdates.. 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. 22. 2024–2027. 4 indexed citations

12.

Ballhausen, C. J. & Helge Johansen. (1966). A MO calculation of the static Jahn-Teller effect in CuF₆^-4. Molecular Physics. 10(2). 183–189. 5 indexed citations

13.

Heilmann, Ole J. & C. J. Ballhausen. (1965). A calculation of the spin-orbit splitting of the X 2? state of NO. Theoretical Chemistry Accounts. 3(2). 159–163. 10 indexed citations

14.

Hare, Curtis R. & C. J. Ballhausen. (1964). Crystal Spectrum and Magnetism of Tetrakis-Thiourea-Nickel Chloride. The Journal of Chemical Physics. 40(3). 788–791. 34 indexed citations

15.

Ballhausen, C. J. & Curtis R. Hare. (1963). STUDIES IN CRYSTAL SPECTRA.. Defense Technical Information Center (DTIC). 1 indexed citations

16.

Forster, Leslie S., et al.. (1962). Binuclear Complexes. I. The Electronic Structure of Copper Acetate.. 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. 16. 1385–1392. 55 indexed citations

17.

Ballhausen, C. J., et al.. (1961). An Application of the Jahn-Teller Theorem to the VCl4 Molecule.. 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. 15. 775–782. 17 indexed citations

18.

Liehr, Andrew D. & C. J. Ballhausen. (1959). Complete theory of Ni(II) and V(III) in cubic crystalline fields. Annals of Physics. 6(2). 134–155. 231 indexed citations

19.

Liehr, Andrew D. & C. J. Ballhausen. (1957). Intensities in Inorganic Complexes. Physical Review. 106(6). 1161–1163. 137 indexed citations

20.

Ballhausen, C. J. & W. Moffitt. (1956). On the dichroism of certain Co(III) complexes. Journal of Inorganic and Nuclear Chemistry. 3(3-4). 178–181. 50 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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