J. Häger

1.1k total citations
38 papers, 849 citations indexed

About

J. Häger is a scholar working on Atomic and Molecular Physics, and Optics, Spectroscopy and Electrical and Electronic Engineering. According to data from OpenAlex, J. Häger has authored 38 papers receiving a total of 849 indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Atomic and Molecular Physics, and Optics, 20 papers in Spectroscopy and 6 papers in Electrical and Electronic Engineering. Recurrent topics in J. Häger's work include Advanced Chemical Physics Studies (24 papers), Spectroscopy and Laser Applications (20 papers) and Spectroscopy and Quantum Chemical Studies (10 papers). J. Häger is often cited by papers focused on Advanced Chemical Physics Studies (24 papers), Spectroscopy and Laser Applications (20 papers) and Spectroscopy and Quantum Chemical Studies (10 papers). J. Häger collaborates with scholars based in Germany, United States and Spain. J. Häger's co-authors include H. Walther, Wolfgang Krieger, F. Frenkel, G. Ertl, J. Segner, W. Vielhaber, J. Pfab, Holger Vach, H.P.C.E. Kuipers and Y. R. Shen and has published in prestigious journals such as Physical Review Letters, The Journal of Chemical Physics and Chemical Physics Letters.

In The Last Decade

J. Häger

37 papers receiving 825 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
J. Häger Germany 15 704 310 208 137 89 38 849
K. Kerl Germany 14 373 0.5× 329 1.1× 237 1.1× 38 0.3× 83 0.9× 51 673
D.L. Jolly Australia 14 298 0.4× 171 0.6× 102 0.5× 194 1.4× 43 0.5× 26 686
Benhui Yang United States 16 553 0.8× 495 1.6× 298 1.4× 78 0.6× 106 1.2× 63 999
Thomas J. Curtiss United States 16 526 0.7× 235 0.8× 88 0.4× 133 1.0× 128 1.4× 28 709
A.T. Yinnon Israel 14 552 0.8× 115 0.4× 81 0.4× 53 0.4× 30 0.3× 24 588
Manfred G. Tenner Netherlands 15 730 1.0× 279 0.9× 140 0.7× 208 1.5× 67 0.8× 21 806
Makoto Takeo United States 9 335 0.5× 234 0.8× 52 0.3× 49 0.4× 64 0.7× 19 507
M. Lenzi Italy 15 376 0.5× 366 1.2× 250 1.2× 110 0.8× 134 1.5× 50 706
F. H. de Leeuw Netherlands 10 421 0.6× 235 0.8× 103 0.5× 63 0.5× 98 1.1× 14 563
J. Kimman Netherlands 16 1.1k 1.6× 439 1.4× 110 0.5× 125 0.9× 132 1.5× 22 1.2k

Countries citing papers authored by J. Häger

Since Specialization
Citations

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

Fields of papers citing papers by J. Häger

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. Häger

This figure shows the co-authorship network connecting the top 25 collaborators of J. Häger. A scholar is included among the top collaborators of J. Häger 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 J. Häger. J. Häger 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.
Fiederling, R., et al.. (2015). The Next Step — Pure Laser High-beam for Front Lighting. ATZ worldwide. 117(4). 32–37. 1 indexed citations
2.
Häger, J., R. Matzdorf, Jian He, et al.. (2005). Non-Fermi-Liquid Behavior in Quasi-One-DimensionalLi0.9Mo6O17. Physical Review Letters. 95(18). 186402–186402. 54 indexed citations
3.
Häger, J., et al.. (1997). Rotationally excited NO molecules incident on a graphite surface: molecular rotation and translation after scattering. Surface Science. 374(1-3). 181–190. 18 indexed citations
4.
Häger, J., et al.. (1997). Rotationally excited NO molecules incident on a graphite surface: in- and out-of-plane angular distributions. Surface Science. 374(1-3). 169–180. 7 indexed citations
5.
Häger, J., et al.. (1994). A pulsed supersonic molecular beam with high rotational temperatures. Review of Scientific Instruments. 65(2). 407–411. 6 indexed citations
6.
Häger, J., et al.. (1992). Scattering of rotationally excited NO molecules from a graphite surface. Chemical Physics Letters. 189(4-5). 420–424. 7 indexed citations
7.
Häger, J., et al.. (1992). Scattering of NO molecules from a diamond (110) surface. The Journal of Chemical Physics. 97(9). 6880–6889. 23 indexed citations
8.
Matsuo, Yukari, Holger Vach, M. Châtelet, et al.. (1990). Elementary processes in the scattering of NO molecules from a diamond surface. The Journal of Chemical Physics. 93(6). 4368–4376. 7 indexed citations
9.
Vach, Holger, J. Häger, & H. Walther. (1989). Survival, relaxation, and excitation of vibrational energy during the scattering of NO molecules from a graphite surface. The Journal of Chemical Physics. 90(11). 6701–6708. 29 indexed citations
10.
Flytzanis, C., Hiroaki Kuze, M. Châtelet, J. Häger, & H. Walther. (1988). Impact of Topography on Molecular-Beam Scattering on Surfaces: The NO-Diamond Case. Physical Review Letters. 61(6). 730–733. 11 indexed citations
11.
Vach, Holger, J. Häger, & H. Walther. (1987). Energy transfer processes during the scattering of vibrationally excited no molecules from a graphite surface. Chemical Physics Letters. 133(4). 279–282. 28 indexed citations
12.
Häger, J. & H. Walther. (1985). Laser investigation of the dynamics of molecule-surface interaction. Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment. 239(3). 425–431. 3 indexed citations
13.
Häger, J., Y. R. Shen, & H. Walther. (1985). State-selective velocity and angular distributions of NO molecules scattered from a graphite surface. Physical review. A, General physics. 31(3). 1962–1964. 57 indexed citations
14.
Häger, J., et al.. (1984). Vibrational relaxation of ethylene oxide and ethylene oxide-rare-gas mixtures. Chemical Physics. 84(3). 369–374. 1 indexed citations
15.
Segner, J., Heinz J. Robota, W. Vielhaber, et al.. (1983). Rotational state populations of NO molecules scattered from clean and adsorbate-covered Pt(111) surfaces. Surface Science Letters. 131(2-3). A302–A302. 44 indexed citations
16.
Häger, J. & H. Walther. (1983). Laser Investigations of the Dynamics of Molecule-Surface Interaction. MRS Proceedings. 29. 3 indexed citations
17.
Frenkel, F., J. Häger, Wolfgang Krieger, et al.. (1982). Rotational state populations and angular distributions on surface scattered molecules: No on graphite. Chemical Physics Letters. 90(3). 225–229. 74 indexed citations
18.
Frenkel, F., J. Häger, Wolfgang Krieger, et al.. (1981). Rotationally Inelastic Gas-Surface Scattering Investigated by Laser-Induced Fluorescence. Physical Review Letters. 46(2). 152–155. 155 indexed citations
19.
Häger, J., Wolfgang Krieger, & Josef Pfab. (1981). Collisional deactivation of laser-excited acetylene by H2, HBr, N2and CO. Journal of the Chemical Society Faraday Transactions 2 Molecular and Chemical Physics. 77(3). 469–476. 25 indexed citations
20.
Häger, J., et al.. (1979). Vibrational energy transfer in ethylene and ethylene–rare-gas mixtures. The Journal of Chemical Physics. 70(6). 2859–2863. 14 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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