J. W. C. Johns

7.7k citations

136 papers · 6.3k · 4 hit papers · h-index 44

Impact in

Spectroscopy top 0.05%
- Spectroscopy and Laser Applications
- Molecular Spectroscopy and Structure
Atomic and Molecular Physics, and Optics top 0.5%
- Advanced Chemical Physics Studies
- Spectroscopy and Quantum Chemical Studies
- Atomic and Molecular Physics
- Quantum, superfluid, helium dynamics

Papers in

Spectroscopy 117
- Spectroscopy and Laser Applications 100
- Molecular Spectroscopy and Structure 55
Atmospheric Science 76
- Atmospheric Ozone and Climate 75

Co-authors: G. Herzberg (7 shared papers)A. R. W. McKellar (28 shared papers)Jon T. Hougen (3 shared papers)D. A. Ramsay (4 shared papers)P. R. Bunker (3 shared papers)J.‐M. Flaud (7 shared papers)Klaus Huber (1 shared paper)A. J. Merer (1 shared paper)
Journals: Journal of Molecular Spectroscopy (61 papers)The Journal of Chemical Physics (19 papers)Molecular Physics (4 papers)Canadian Journal of Physics (20 papers)Nature (2 papers)
Partner nations: Canada United States France

In The Last Decade

J. W. C. Johns

133 papers receiving 6.1k citations

J. W. C. Johns's Hit Papers

align trajectories log scale

The labeling of parity doublet levels in linear molecules 1975 · 722 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

1975 Journal of Molecular Spectroscopy
1970 Journal of Molecular Spectroscopy
1969 The Astrophysical Journal
1966 Proceedings of the Royal Society of London A Mathematical and Physical Sciences

Peers

Countries citing papers authored by J. W. C. Johns

Since Specialization

Citations

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

Fields of papers citing papers by J. W. C. Johns

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

The 25 scholars most cited alongside J. W. C. Johns, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with J. W. C. Johns Line = papers co-authored together J. W. C. Johns links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 136 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	The labeling of parity doublet levels in linear molecules Journal of Molecular Spectroscopy ·John M. Brown, Jon T. Hougen, Klaus Huber, J. W. C. Johns, I. Kopp, H. Lefèbvre-Brion, A. J. Merer, D. A. Ramsay, J. Rostas, Richard N. Zare Hit paper breakdown →	1975	722
2	The vibration-rotation problem in triatomic molecules allowing for a large-amplitude bending vibration Journal of Molecular Spectroscopy ·Jon T. Hougen, P. R. Bunker, J. W. C. Johns Hit paper breakdown →	1970	521
3	The spectrum and structure of singlet CH2 Proceedings of the Royal Society of London A Mathematical and Physical Sciences ·G. Herzberg, J. W. C. Johns Hit paper breakdown →	1966	246
4	New spectra of the CH molecule The Astrophysical Journal ·G. Herzberg, J. W. C. Johns Hit paper breakdown →	1969	208
5	Electronic absorption spectra of HCO and DCO radicals Discussions of the Faraday Society ·J. W. C. Johns, S. H. Priddle, D. A. Ramsay	1963	158
6	On the Structure of CH2 in its Triplet Ground State The Journal of Chemical Physics ·G. Herzberg, J. W. C. Johns	1971	143
7	The bending energy levels of C2H2 Journal of Molecular Spectroscopy ·Y. Kabbadj, M. Herman, Gianfranco Di Lonardo, L. Fusina, J. W. C. Johns	1991	138
8	THE ABSORPTION SPECTRUM OF BO₂ Canadian Journal of Physics ·J. W. C. Johns	1961	126
9	The far infrared spectrum of H2O2. First observation of the staggering of the levels and determination of the c i s barrier The Journal of Chemical Physics ·J.‐M. Flaud, C. Camy-Peyret, J. W. C. Johns, B. Carli	1989	124
10	ON THE ABSORPTION SPECTRUM OF H₂O AND D₂O IN THE VACUUM ULTRAVIOLET Canadian Journal of Physics ·J. W. C. Johns	1963	117
11	Spectra of the protonated rare gases Journal of Molecular Spectroscopy ·J. W. C. Johns	1984	111
12	The absorption spectrum of BH and BD in the vacuum ultraviolet Journal of Molecular Spectroscopy ·Stephanie Bauer, G. Herzberg, J. W. C. Johns	1964	100
13	On the spectrum of BH in the near ultraviolet Journal of Molecular Spectroscopy ·J. W. C. Johns, F.A. Grimm, Richard F. Porter	1967	99
14	The absorption spectrum of NH₂ between 6250 and 9500 Å Canadian Journal of Physics ·J. W. C. Johns, D. A. Ramsay, Stephen C. Ross	1976	98
15	Collision-induced Lamb dips in laser Stark spectroscopy The Journal of Chemical Physics ·J. W. C. Johns, A. R. W. McKellar, Takeshi Oka, M. Römheld	1975	85
16	High-resolution spectroscopy of 16 bands of OCS in the region 1975–2140 cm−1 for diode laser calibration Journal of Molecular Spectroscopy ·Neil T. Hunt, Stephen Foster, J. W. C. Johns, A. R. W. McKellar	1985	85
17	Improved laser frequencies and Dunham coefficients for isotopically substituted carbon monoxide Canadian Journal of Physics ·R. M. Dale, Michael Herman, J. W. C. Johns, A. R. W. McKellar, S. E. Nagler, I. Strathy	1979	80
18	A spectrum of neutral argon hydride Journal of Molecular Spectroscopy ·J. W. C. Johns	1970	78
19	The infrared spectrum of thioformaldehyde Journal of Molecular Spectroscopy ·J. W. C. Johns, W. B. Olson	1971	73
20	A spectroscopic study of HCP, the phosphorus analogue of hydrocyanic acid Canadian Journal of Physics ·J. W. C. Johns, H. F. Shurvell, J. K. Tyler	1969	71

About J. W. C. Johns

J. W. C. Johns is a scholar working on Spectroscopy, Atmospheric Science, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Global and Planetary Change, having authored 136 papers that have together received 6.3k indexed citations. Recurring topics across this work include Spectroscopy and Laser Applications (100 papers), Atmospheric Ozone and Climate (75 papers), Molecular Spectroscopy and Structure (55 papers), Advanced Chemical Physics Studies (48 papers), Laser Design and Applications (16 papers), Atmospheric and Environmental Gas Dynamics (12 papers), Inorganic Fluorides and Related Compounds (6 papers) and Atomic and Molecular Physics (6 papers). The work is most often cited by research in Spectroscopy (4.5k citations), Atomic and Molecular Physics, and Optics (4.4k citations), Atmospheric Science (2.3k citations), Physical and Theoretical Chemistry (464 citations) and Inorganic Chemistry (411 citations). J. W. C. Johns has collaborated with scholars based in Canada, United States and France. Frequent co-authors include G. Herzberg, A. R. W. McKellar, Jon T. Hougen, D. A. Ramsay, P. R. Bunker, J.‐M. Flaud, Klaus Huber, A. J. Merer, J. Rostas and Richard N. Zare. Their work appears in journals such as Journal of Molecular Spectroscopy, The Journal of Chemical Physics, Molecular Physics, Canadian Journal of Physics and Nature.

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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J. W. C. Johns

J. W. C. Johns's Hit Papers

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About J. W. C. Johns

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