D. A. Ramsay

9.8k total citations · 4 hit papers
165 papers, 8.2k citations indexed

About

D. A. Ramsay is a scholar working on Spectroscopy, Atomic and Molecular Physics, and Optics and Atmospheric Science. According to data from OpenAlex, D. A. Ramsay has authored 165 papers receiving a total of 8.2k indexed citations (citations by other indexed papers that have themselves been cited), including 122 papers in Spectroscopy, 78 papers in Atomic and Molecular Physics, and Optics and 65 papers in Atmospheric Science. Recurrent topics in D. A. Ramsay's work include Spectroscopy and Laser Applications (91 papers), Atmospheric Ozone and Climate (63 papers) and Advanced Chemical Physics Studies (62 papers). D. A. Ramsay is often cited by papers focused on Spectroscopy and Laser Applications (91 papers), Atmospheric Ozone and Climate (63 papers) and Advanced Chemical Physics Studies (62 papers). D. A. Ramsay collaborates with scholars based in Canada, United States and Germany. D. A. Ramsay's co-authors include Dennis J. Clouthier, K. Dressler, J. W. C. Johns, F. W. Birss, E.H. Fink, John M. Brown, Arthur G. Maki, Marlin D. Harmony, Victor W. Laurie and Robert L. Kuczkowski and has published in prestigious journals such as Nature, Journal of the American Chemical Society and The Journal of Chemical Physics.

In The Last Decade

D. A. Ramsay

163 papers receiving 7.6k citations

Hit Papers

Molecular structures of g... 1952 2026 1976 2001 1979 1975 1952 1983 250 500 750
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. Molecular structures of gas-phase polyatomic molecules determined by spectroscopic methods
    1979 833 citations D. A. Ramsay et al. profile →
  2. The labeling of parity doublet levels in linear molecules
    1975 722 citations John M. Brown, I. Kopp et al. Journal of Molecular Spectroscopy profile →
  3. Intensities and Shapes of Infrared Absorption Bands of Substances in the Liquid Phase
    1952 549 citations D. A. Ramsay profile →
  4. The Spectroscopy of Formaldehyde and Thioformaldehyde
    1983 425 citations D. A. Ramsay et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
D. A. Ramsay 5.3k 4.7k 2.5k 1.3k 923 165 8.2k
C. Bradley Moore 6.5k 1.2× 5.7k 1.2× 3.2k 1.3× 981 0.8× 717 0.8× 195 9.8k
Yuan T. Lee 6.6k 1.2× 4.3k 0.9× 2.2k 0.9× 1.4k 1.1× 626 0.7× 179 8.5k
Tomas Baer 6.5k 1.2× 4.8k 1.0× 2.4k 1.0× 1.2k 1.0× 1.3k 1.4× 253 9.1k
A. J. Merer 5.4k 1.0× 3.7k 0.8× 1.7k 0.7× 799 0.6× 386 0.4× 172 6.8k
W. A. Chupka 5.9k 1.1× 3.9k 0.8× 1.3k 0.5× 736 0.6× 699 0.8× 153 8.4k
Terry A. Miller 6.6k 1.2× 4.3k 0.9× 2.0k 0.8× 1.5k 1.2× 633 0.7× 370 9.0k
C. Y. Ng 7.7k 1.4× 5.4k 1.2× 2.4k 1.0× 910 0.7× 720 0.8× 317 9.4k
W. H. Flygare 7.7k 1.4× 7.5k 1.6× 2.7k 1.1× 1.1k 0.9× 889 1.0× 203 10.5k
Walter Gordy 3.7k 0.7× 4.0k 0.8× 1.8k 0.7× 886 0.7× 993 1.1× 184 8.5k
P. R. Bunker 6.1k 1.1× 4.6k 1.0× 1.7k 0.7× 750 0.6× 461 0.5× 180 7.3k

Countries citing papers authored by D. A. Ramsay

Since Specialization
Citations

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

Fields of papers citing papers by D. A. Ramsay

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by D. A. Ramsay. 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 D. A. Ramsay. The network helps show where D. A. Ramsay may publish in the future.

Co-authorship network of co-authors of D. A. Ramsay

This figure shows the co-authorship network connecting the top 25 collaborators of D. A. Ramsay. A scholar is included among the top collaborators of D. A. Ramsay 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 D. A. Ramsay. D. A. Ramsay 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.
Fink, E.H. & D. A. Ramsay. (2006). Analysis of perturbations in the state of HO2. Journal of Molecular Structure. 795(1-3). 155–156. 2 indexed citations
2.
Fink, E.H. & D. A. Ramsay. (2002). High-Resolution Study of the Atilde;2A′→X2A″ Transition of DO2: Analysis of the 000–000 Band. Journal of Molecular Spectroscopy. 216(2). 322–334. 7 indexed citations
3.
Chance, K., D. A. Ramsay, & E.H. Fink. (2001). Improved Molecular Constants for the Ground State of DO2. Journal of Molecular Spectroscopy. 207(1). 123–123. 3 indexed citations
4.
Ramsay, D. A.. (1999). International symposia on free radicals. International Reviews in Physical Chemistry. 18(1). 1–3.
5.
Chance, K., K. M. Evenson, L. R. Zink, et al.. (1997). Improved Molecular Constants for the Ground State of HO2. Journal of Molecular Spectroscopy. 183(2). 418–418. 18 indexed citations
6.
Fink, E.H., et al.. (1988). The a1Δ(a2)-X3Σ−(X21) electronic band system of selenium monoxide. Journal of Molecular Spectroscopy. 131(1). 127–132. 12 indexed citations
7.
Birss, F. W., et al.. (1982). Molecular constants for the ground state of PH2. Journal of Molecular Spectroscopy. 92(1). 269–271. 5 indexed citations
8.
Ramsay, D. A. & P. J. Sarre. (1982). High-resolution study of the a2Π–X2Σ+band system of BH+. Journal of the Chemical Society Faraday Transactions 2 Molecular and Chemical Physics. 78(8). 1331–1338. 12 indexed citations
9.
Kerr, C.M.L. & D. A. Ramsay. (1981). The frequency ν3 in the A state of formaldehyde. Journal of Molecular Spectroscopy. 87(2). 575–577. 7 indexed citations
10.
Trafton, Laurence M. & D. A. Ramsay. (1980). The DH ratio in the atmosphere of Uranus: Detection of the R5(1) line of HD. Icarus. 41(3). 423–429. 13 indexed citations
11.
Birss, F. W., et al.. (1978). Singlet-triplet perturbations in formaldehyde. Chemical Physics Letters. 53(1). 14–17. 15 indexed citations
12.
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
13.
Ramsay, D. A. & C. Zauli. (1974). Rotational analysis of the O−O band of the first singletπ *-n system ofcis glyoxal-d1. Acta Physica Academiae Scientiarum Hungaricae. 35(1-4). 79–83. 33 indexed citations
14.
Ramsay, D. A., et al.. (1972). Rotational Analysis of Bands of the Transition of PH2. Canadian Journal of Physics. 50(19). 2265–2276. 54 indexed citations
15.
Dixon, R. N., G. Duxbury, & D. A. Ramsay. (1967). Rotational analysis of the 0–0 band of the 2 A 1–2 B 1 electronic transition of PH2. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 296(1445). 137–160. 34 indexed citations
16.
Ramsay, D. A. & Peter Thistlethwaite. (1966). THE ELECTRONIC ABSORPTION SPECTRUM OF THE PROPARGYL RADICAL. Canadian Journal of Physics. 44(7). 1381–1386. 48 indexed citations
17.
Dressler, K. & D. A. Ramsay. (1959). The electronic absorption spectra of NH2 and ND2. Philosophical Transactions of the Royal Society of London Series A Mathematical and Physical Sciences. 251(1002). 553–602. 345 indexed citations
18.
Callomon, J. H. & D. A. Ramsay. (1957). THE FLASH PHOTOLYSIS OF DIACETYLENE. Canadian Journal of Physics. 35(2). 129–133. 21 indexed citations
19.
Herzberg, G. & D. A. Ramsay. (1955). The 7500 to 4500 Å absorption system of the free HCO radical. Proceedings of the Royal Society of London A Mathematical and Physical Sciences. 233(1192). 34–54. 127 indexed citations
20.
Ramsay, D. A.. (1953). The Absorption Spectra of Free NH and NH2 Radicals Produced by the Flash Photolysis of Hydra-zine. The Journal of Physical Chemistry. 57(4). 415–418. 31 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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