C. P. Umbach

4.0k total citations · 1 hit paper
52 papers, 2.9k citations indexed

About

C. P. Umbach is a scholar working on Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering and Condensed Matter Physics. According to data from OpenAlex, C. P. Umbach has authored 52 papers receiving a total of 2.9k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Atomic and Molecular Physics, and Optics, 29 papers in Electrical and Electronic Engineering and 20 papers in Condensed Matter Physics. Recurrent topics in C. P. Umbach's work include Quantum and electron transport phenomena (31 papers), Physics of Superconductivity and Magnetism (18 papers) and Molecular Junctions and Nanostructures (13 papers). C. P. Umbach is often cited by papers focused on Quantum and electron transport phenomena (31 papers), Physics of Superconductivity and Magnetism (18 papers) and Molecular Junctions and Nanostructures (13 papers). C. P. Umbach collaborates with scholars based in United States, Germany and United Kingdom. C. P. Umbach's co-authors include R. A. Webb, R. B. Laibowitz, S. Washburn, R. H. Koch, F. P. Milliken, M. Heiblum, Uri Sivan, G. J. Clark, P. Chaudhari and A. Benoı̂t and has published in prestigious journals such as Physical Review Letters, Physical review. B, Condensed matter and Applied Physics Letters.

In The Last Decade

C. P. Umbach

52 papers receiving 2.9k citations

Hit Papers

Observation ofheAharonov-Bohm Oscillations in Normal-Meta... 1985 2026 1998 2012 1985 200 400 600
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. Observation ofheAharonov-Bohm Oscillations in Normal-Metal Rings
    1985 741 citations R. A. Webb, S. Washburn et al. Physical Review Letters profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
C. P. Umbach United States 22 2.5k 1.5k 982 434 255 52 2.9k
Rolf R. Gerhardts Germany 34 3.4k 1.4× 1.0k 0.7× 1.4k 1.5× 614 1.4× 171 0.7× 122 3.7k
V. I. Perel Russia 16 2.3k 0.9× 996 0.7× 660 0.7× 530 1.2× 243 1.0× 70 2.6k
Johann Kroha Germany 28 2.1k 0.9× 763 0.5× 1.3k 1.3× 244 0.6× 445 1.7× 96 2.6k
M. É. Raǐkh United States 26 2.1k 0.9× 989 0.7× 580 0.6× 482 1.1× 132 0.5× 168 2.5k
G. Weimann Germany 34 3.0k 1.2× 2.2k 1.5× 985 1.0× 470 1.1× 88 0.3× 160 3.6k
A. G. Aronov Russia 25 3.7k 1.5× 995 0.7× 2.2k 2.2× 894 2.1× 494 1.9× 73 4.4k
S. K. Lyo United States 27 1.7k 0.7× 719 0.5× 395 0.4× 561 1.3× 133 0.5× 127 2.0k
G. A. C. Jones United Kingdom 30 4.0k 1.6× 2.4k 1.6× 740 0.8× 964 2.2× 211 0.8× 142 4.6k
Monique Combescot France 29 2.7k 1.1× 826 0.6× 533 0.5× 718 1.7× 92 0.4× 173 3.2k
E. L. Ivchenko Russia 31 3.0k 1.2× 1.4k 0.9× 521 0.5× 1.1k 2.5× 172 0.7× 89 3.4k

Countries citing papers authored by C. P. Umbach

Since Specialization
Citations

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

Fields of papers citing papers by C. P. Umbach

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of C. P. Umbach

This figure shows the co-authorship network connecting the top 25 collaborators of C. P. Umbach. A scholar is included among the top collaborators of C. P. Umbach 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. P. Umbach. C. P. Umbach 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.
Sivan, Uri, A. Palevski, M. Heiblum, & C. P. Umbach. (1990). Hot electron transport in two dimensional electron gas. Solid-State Electronics. 33(7). 979–986. 2 indexed citations
2.
Umbach, C. P. & A. N. Broers. (1990). Proximity effect in electron beam patterned x-ray masks. Applied Physics Letters. 56(16). 1594–1596. 7 indexed citations
3.
Palevski, A., P. M. Solomon, T. F. Kuech, M. A. Tischler, & C. P. Umbach. (1990). Selectively regrown contacts to field-effect transistors with two-dimensional electron-gas channels. IEEE Electron Device Letters. 11(11). 535–537. 4 indexed citations
4.
Sivan, Uri, M. Heiblum, & C. P. Umbach. (1989). Hot ballistic transport and phonon emission in a two-dimensional electron gas. Physical Review Letters. 63(9). 992–995. 61 indexed citations
5.
Viña, L., et al.. (1989). Interband Critical Point Parameters Determined by Ellipsometry in CdxHg1−xSe. physica status solidi (b). 156(1). 371–376. 16 indexed citations
6.
Umbach, C. P., A. Palevski, M. Heiblum, & Uri Sivan. (1989). Lateral tunneling and ballistic transport in two-dimensional electron gas devices defined by nanostructure gates. Journal of Vacuum Science & Technology B Microelectronics Processing and Phenomena. 7(6). 2003–2006. 4 indexed citations
7.
Palevski, A., C. P. Umbach, & M. Heiblum. (1989). High-gain lateral hot-electron device. Applied Physics Letters. 55(14). 1421–1423. 19 indexed citations
8.
Santhanam, P., C. P. Umbach, & C. C.. (1989). Negative magnetoresistance in small superconducting loops and wires. Physical review. B, Condensed matter. 40(16). 11392–11395. 24 indexed citations
9.
Webb, R. A., S. Washburn, & C. P. Umbach. (1988). Experimental study of nonlinear conductance in small metallic samples. Physical review. B, Condensed matter. 37(14). 8455–8458. 76 indexed citations
10.
Koch, R. H., C. P. Umbach, Modest M. Oprysko, et al.. (1988). DC Sqiids made from YBa2Cu3Oy. Physica C Superconductivity. 153-155. 1685–1689. 14 indexed citations
11.
Umbach, C. P., A. N. Broers, R. H. Koch, C. Grant Willson, & R. B. Laibowitz. (1988). Nanolithography with a high-resolution STEM. IBM Journal of Research and Development. 32(4). 454–461. 7 indexed citations
12.
Koch, R. H., C. P. Umbach, G. J. Clark, P. Chaudhari, & R. B. Laibowitz. (1987). Quantum interference devices made from superconducting oxide thin films. Applied Physics Letters. 51(3). 200–202. 284 indexed citations
13.
Haesendonck, C. Van, Y. Bruynseraede, R. B. Laibowitz, et al.. (1987). Coherent Electron Scattering in Mesoscopic Metal Films. Physica Scripta. T19A. 87–94. 1 indexed citations
14.
Umbach, C. P., C. Van Haesendonck, R. B. Laibowitz, S. Washburn, & R. A. Webb. (1986). Direct observation of ensemble averaging of the Aharonov-Bohm effect in normal-metal loops. Physical Review Letters. 56(4). 386–389. 116 indexed citations
15.
Webb, R. A., S. Washburn, C. P. Umbach, & R. B. Laibowitz. (1986). h/e Aharonov-Bohm effect in gold rings. Journal of Magnetism and Magnetic Materials. 54-57. 1423–1427. 7 indexed citations
16.
Benoı̂t, A., S. Washburn, C. P. Umbach, R. B. Laibowitz, & R. A. Webb. (1986). Asymmetry in the Magnetoconductance of Metal Wires and Loops. Physical Review Letters. 57(14). 1765–1768. 103 indexed citations
17.
Viña, L., C. P. Umbach, A. Compaan, M. Cardona, & A. Axmann. (1983). THE ELECTRONIC STRUCTURE OF HEAVILY DOPED ION IMPLANTED LASER ANNEALED SILICON : ELLIPSOMETRIC MEASUREMENTS. Le Journal de Physique Colloques. 44(C5). C5–203. 2 indexed citations
18.
Umbach, C. P. & A. M. Goldman. (1982). Pair Tunneling in ErRh4B4Films. Physical Review Letters. 48(20). 1433–1436. 18 indexed citations
19.
Umbach, C. P., A. M. Goldman, & L. E. Toth. (1982). Rare-earth oxides as artificial barriers in superconducting tunneling junctions. Applied Physics Letters. 40(1). 81–83. 28 indexed citations
20.
Umbach, C. P., L. E. Toth, E. Dan Dahlberg, & A. M. Goldman. (1981). Electron tunneling in ErRh4B4. Physica B+C. 108(1-3). 803–804. 3 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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