E. Umbach

17.2k total citations · 1 hit paper
302 papers, 14.8k citations indexed

About

E. Umbach is a scholar working on Electrical and Electronic Engineering, Atomic and Molecular Physics, and Optics and Materials Chemistry. According to data from OpenAlex, E. Umbach has authored 302 papers receiving a total of 14.8k indexed citations (citations by other indexed papers that have themselves been cited), including 176 papers in Electrical and Electronic Engineering, 154 papers in Atomic and Molecular Physics, and Optics and 135 papers in Materials Chemistry. Recurrent topics in E. Umbach's work include Advanced Chemical Physics Studies (86 papers), Molecular Junctions and Nanostructures (84 papers) and Electron and X-Ray Spectroscopy Techniques (65 papers). E. Umbach is often cited by papers focused on Advanced Chemical Physics Studies (86 papers), Molecular Junctions and Nanostructures (84 papers) and Electron and X-Ray Spectroscopy Techniques (65 papers). E. Umbach collaborates with scholars based in Germany, United States and Italy. E. Umbach's co-authors include M. Sokołowski, D. Menzel, R. Fink, Clemens Heske, Achim Schöll, W. Würth, Thomas Schmidt, L. Weinhardt, L. Kilian and U. Höfer and has published in prestigious journals such as Science, Physical Review Letters and Advanced Materials.

In The Last Decade

E. Umbach

300 papers receiving 14.4k citations

Hit Papers

Practical surface analysis 1992 2026 2003 2014 1992 500 1000 1.5k 2.0k
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. Practical surface analysis
    1992 2.0k citations E. Umbach profile →

Author Peers

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

Author Last Decade Papers Cites
E. Umbach 8.3k 7.1k 6.4k 2.9k 2.1k 302 14.8k
L. Ley 11.9k 1.4× 17.6k 2.5× 6.8k 1.1× 3.5k 1.2× 2.6k 1.2× 362 24.1k
N. Mårtensson 3.7k 0.4× 7.2k 1.0× 6.9k 1.1× 1.4k 0.5× 3.1k 1.5× 295 14.0k
F. J. Himpsel 6.3k 0.8× 7.3k 1.0× 9.0k 1.4× 2.0k 0.7× 3.4k 1.6× 257 17.2k
I. Lindau 7.2k 0.9× 5.9k 0.8× 8.8k 1.4× 1.9k 0.7× 5.2k 2.4× 397 16.7k
Theodore E. Madey 5.0k 0.6× 9.9k 1.4× 8.5k 1.3× 1.8k 0.6× 3.0k 1.4× 347 18.4k
D.P. Woodruff 4.6k 0.6× 7.9k 1.1× 9.4k 1.5× 2.9k 1.0× 4.0k 1.9× 511 15.9k
J. W. Rabalais 3.8k 0.5× 6.1k 0.9× 3.4k 0.5× 682 0.2× 1.5k 0.7× 345 12.1k
P. A. Dowben 8.8k 1.1× 11.6k 1.6× 4.6k 0.7× 2.0k 0.7× 885 0.4× 660 18.5k
S. Hüfner 2.9k 0.4× 6.0k 0.9× 5.9k 0.9× 978 0.3× 2.6k 1.2× 311 13.2k
C. J. Powell 7.8k 0.9× 6.6k 0.9× 4.3k 0.7× 1.6k 0.6× 9.1k 4.3× 217 17.2k

Countries citing papers authored by E. Umbach

Since Specialization
Citations

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

Fields of papers citing papers by E. Umbach

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of E. Umbach

This figure shows the co-authorship network connecting the top 25 collaborators of E. Umbach. A scholar is included among the top collaborators of E. 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 E. Umbach. E. 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.
Schmidt, Thomas, Helder Marchetto, U. Groh, et al.. (2018). Influence of Substrate Bonding and Surface Morphology on Dynamic Organic Layer Growth: Perylenetetracarboxylic Dianhydride on Au(111). Langmuir. 34(19). 5444–5453. 4 indexed citations
2.
Schmidt, Thomas, Alessandro Sala, Helder Marchetto, E. Umbach, & H.‐J. Freund. (2012). First experimental proof for aberration correction in XPEEM: Resolution, transmission enhancement, and limitation by space charge effects. Ultramicroscopy. 126. 23–32. 55 indexed citations
3.
Schmidt, Thomas, Helder Marchetto, Pierre L. Lévesque, et al.. (2010). Double aberration correction in a low-energy electron microscope. Ultramicroscopy. 110(11). 1358–1361. 64 indexed citations
4.
Casu, Maria Benedetta, et al.. (2009). Morphology of perylene thin films on SiO /Si(1 0 0) and SiO2/Si(1 0 0): A spectroscopic and microscopic study of the influence of the preparation parameters. Chemical Physics Letters. 479(1-3). 76–80. 10 indexed citations
5.
Heske, Clemens, Michael Zharnikov, L. Weinhardt, et al.. (2008). Reply to Comment on"Isotope and Temperature Effects in Liquid Water Probed by X-ray Absorption and Resonant X-ray Emission Spectroscopy". Physical Review Letters. 100. 3 indexed citations
6.
Kilian, L., Ruslan Temirov, S. Soubatch, et al.. (2008). Role of Intermolecular Interactions on the Electronic and Geometric Structure of a Largeπ-Conjugated Molecule Adsorbed on a Metal Surface. Physical Review Letters. 100(13). 136103–136103. 135 indexed citations
7.
Fuchs, O., Michael Zharnikov, L. Weinhardt, et al.. (2008). Isotope and Temperature Effects in Liquid Water Probed by X-Ray Absorption and Resonant X-Ray Emission Spectroscopy. Physical Review Letters. 100(2). 27801–27801. 156 indexed citations
8.
Schwalb, Christian H., Manuel Marks, A. Schöll, et al.. (2008). Electron Lifetime in a Shockley-Type Metal-Organic Interface State. Physical Review Letters. 101(14). 146801–146801. 137 indexed citations
9.
Casu, Maria Benedetta, et al.. (2008). Influence of the preparation conditions on the morphology of perylene thin films on Si(111) and Si(100). The Journal of Chemical Physics. 129(24). 244708–244708. 17 indexed citations
10.
Odelius, Michael, Hirohito Ogasawara, Dennis Nordlund, et al.. (2005). Ultrafast Core-Hole-Induced Dynamics in Water Probed by X-Ray Emission Spectroscopy. Physical Review Letters. 94(22). 227401–227401. 105 indexed citations
11.
Zubavichus, Yan V., Yongjie Yang, Michael Zharnikov, et al.. (2004). Local Structure of Amorphous Ice as Revealed by O K‐Edge EXAFS. ChemPhysChem. 5(4). 509–514. 10 indexed citations
12.
Zubavichus, Yan V., Oliver Fuchs, L. Weinhardt, et al.. (2004). Soft X-Ray-Induced Decomposition of Amino Acids: An XPS, Mass Spectrometry, and NEXAFS Study. Radiation Research. 161(3). 346–358. 135 indexed citations
13.
Schöll, Achim, Ying Zou, L. Kilian, et al.. (2004). Electron-Vibron Coupling in High-Resolution X-Ray Absorption Spectra of Organic Materials: NTCDA on Ag(111). Physical Review Letters. 93(14). 146406–146406. 39 indexed citations
14.
Heske, Clemens, D. Eich, U. Groh, et al.. (2000). Self-limitation of Na content at the CdS/Cu(In,Ga)Se 2 solar cell heterojunction. Thin Solid Films. 361-362. 360–363. 11 indexed citations
15.
Umbach, E. & H.‐J. Freund. (1993). Adsorption on ordered surfaces of ionic solids and thin films : proceedings of the 106th WE-Heraeus Seminar, Bad Honnef, Germany, February 15-18, 1993. Springer eBooks. 3 indexed citations
16.
Würth, W., D. Coulman, A. Puschmann, D. Menzel, & E. Umbach. (1990). Relation between x-ray photoemission spectroscopy binding energies and absorption resonance energies for CO adsorbates. Physical review. B, Condensed matter. 41(18). 12933–12936. 26 indexed citations
17.
Umbach, E.. (1986). The influence of alkali promoters on coadsorbed molecules. Preprints - American Chemical Society. Division of Petroleum Chemistry. 31(1). 291–294.
18.
Weimer, Jeffrey J., E. Umbach, & Dirk Мenzel. (1985). Ru(001)上のKと共吸着CO+Kの性質 II 電子構造. Surface Science. 159(1). 83–107. 71 indexed citations
19.
Hussain, Z., E. Umbach, D. A. Shirley, J. Stöhr, & J. Feldhaus. (1981). PERFORMANCE AND APPLICATION OF A DOUBLE-CRYSTAL MONOCHROMATOR IN THE ENERGY REGION 800 < hv < 4500 eV. Lawrence Berkeley National Laboratory.
20.
Umbach, E., Sunil Jayant Kulkarni, P. Feulner, & D. Menzel. (1979). A multimethod study of the adsorption of NO on Ru(001). Surface Science. 88(1). 65–94. 105 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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