J. Schäfer

2.5k citations

73 papers · 2.1k · h-index 28

Impact in

Atomic and Molecular Physics, and Optics top 2%
- Surface and Thin Film Phenomena
- Quantum and electron transport phenomena
- Topological Materials and Phenomena
Condensed Matter Physics top 2%
- Physics of Superconductivity and Magnetism

Papers in

Atomic and Molecular Physics, and Optics 51
- Surface and Thin Film Phenomena 31
- Quantum and electron transport phenomena 29
- Topological Materials and Phenomena 15
- Magnetic properties of thin films 13
Materials Chemistry 34
- Graphene research and applications 12
- Diamond and Carbon-based Materials Research 9

Co-authors: R. Claessen (47 shared papers)J. Ristein (13 shared papers)C. Blumenstein (19 shared papers)L. Ley (10 shared papers)S. Meyer (16 shared papers)Gang Li (7 shared papers)L. Patthey (7 shared papers)R. Matzdorf (5 shared papers)
Journals: Physical Review Letters (12 papers)Physical Review B (10 papers)Physical review. B. (10 papers)Journal of Physics Condensed Matter (4 papers)Nature Communications (3 papers)
Partner nations: Germany United States Switzerland

In The Last Decade

J. Schäfer

72 papers receiving 2.0k citations

Peers

Countries citing papers authored by J. Schäfer

Since Specialization

Citations

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

Fields of papers citing papers by J. Schäfer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authors

The 25 scholars most cited alongside J. Schäfer, 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. Schäfer Line = papers co-authored together J. Schäfer 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 73 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Atomically controlled quantum chains hosting a Tomonaga–Luttinger liquid Nature Physics ·C. Blumenstein, J. Schäfer, S. Mietke, S. Meyer, A. Dollinger, M. Lochner, X. Y. Cui, L. Patthey, R. Matzdorf, R. Claessen	2011	192
2	Elemental Topological Insulator with Tunable Fermi Level: Strainedα-Sn on InSb(001) Physical Review Letters ·Arne Barfuss, L. Dudy, M. R. Scholz, H. Roth, P. Höpfner, C. Blumenstein, G. Landolt, J. Hugo Dil, N. C. Plumb, M. Radović, Aaron Bostwick, Eli Rotenberg, A. Fleszar, Gustav Bihlmayer, Daniel Wortmann, Gang Li, (unknown), R. Claessen, J. Schäfer	2013	127
3	Photoemission study of amorphous carbon modifications and comparison with calculated densities of states Physical review. B, Condensed matter ·J. Schäfer, J. Ristein, R. Graupner, L. Ley, U. Stephan, Thomas Frauenheim, V.S. Veerasamy, G. A. J. Amaratunga, M. Weiler, H. Ehrhardt	1996	113
4	New Model System for a One-Dimensional Electron Liquid: Self-Organized Atomic Gold Chains on Ge(001) Physical Review Letters ·J. Schäfer, C. Blumenstein, S. Meyer, Marek Wiśniewski, R. Claessen	2008	88
5	Effective correlation energies for defects in a-C:H from a comparison of photelectron yield and electron spin resonance experiments Diamond and Related Materials ·J. Ristein, J. Schäfer, L. Ley	1995	83
6	Tomonaga–Luttinger liquid in the edge channels of a quantum spin Hall insulator Nature Physics ·Raúl Stühler, Felix Reis, Tobias Müller, Tobias Helbig, Tilman Schwemmer, Ronny Thomale, J. Schäfer, R. Claessen	2019	82
7	Evidence for Long-Range Spin Order Instead of a Peierls Transition in Si(553)-Au Chains Physical Review Letters ·J. Aulbach, J. Schäfer, Steven C. Erwin, S. Meyer, Christoph Loho, Jochen Settelein, R. Claessen	2013	59
8	Magnetic order in a frustrated two-dimensional atom lattice at a semiconductor surface Nature Communications ·Gang Li, P. Höpfner, J. Schäfer, C. Blumenstein, S. Meyer, Aaron Bostwick, Eli Rotenberg, R. Claessen, Werner Hanke	2013	57
9	Theoretical paradigm for the quantum spin Hall effect at high temperatures Physical review. B. ·Gang Li, Werner Hanke, Ewelina M. Hankiewicz, Felix Reis, J. Schäfer, R. Claessen, Congjun Wu, Ronny Thomale	2018	57
10	Three-Dimensional Spin Rotations at the Fermi Surface of a Strongly Spin-Orbit Coupled Surface System Physical Review Letters ·P. Höpfner, J. Schäfer, A. Fleszar, J. Hugo Dil, Bartosz Slomski, Fabian Meier, Christoph Loho, C. Blumenstein, L. Patthey, (unknown), R. Claessen	2012	48
11	Hydrogen bonding analysis in amorphous hydrogenated carbon by a combination of infrared absorption and thermal effusion experiments Journal of Non-Crystalline Solids ·R. Stief, J. Schäfer, J. Ristein, L. Ley, W. Beyer	1996	45
12	Atomic Nanowires on thePt/Ge(001)Surface: Buried Pt-Ge Versus Top Pt-Pt Chains Physical Review Letters ·A. A. Stekolnikov, F. Bechstedt, Marek Wiśniewski, J. Schäfer, R. Claessen	2008	42
13	Experimental investigation and computational modeling of hot filament diamond chemical vapor deposition The Journal of Chemical Physics ·Volker Zumbach, J. Schäfer, J. Tobai, M. Ridder, Thomas Dreier, Thomas J. Schaich, J. Wolfrum, B. Ruf, Frank Behrendt, Olaf Deutschman, Jürgen Warnatz	1997	42
14	Surface Fermi level position of hydrogen passivated Si(111) surfaces Applied Physics Letters ·Seiichi Miyazaki, J. Schäfer, J. Ristein, L. Ley	1996	41
15	Renormalization of Bulk Magnetic Electron States at High Binding Energies Physical Review Letters ·Andreas Hofmann, X. Y. Cui, J. Schäfer, S. Meyer, P. Höpfner, C. Blumenstein, M. Paul, L. Patthey, Eli Rotenberg, Jörg Bünemann, Florian Gebhard, T. Ohm, W. Weber, R. Claessen	2009	40
16	Interface formation between hydrogen terminated Si(111) and amorphous hydrogenated carbon (a-C:H) Journal of Vacuum Science & Technology A Vacuum Surfaces and Films ·J. Schäfer, J. Ristein, Seiichi Miyazaki, L. Ley	1997	35
17	Detection of gas-phase species in MOCVD of GaN using molecular beam quadrupole mass spectrometry Chemical Physics Letters ·J. Schäfer, Andreas Simons, J. Wolfrum, Roland A. Fischer	2000	34
18	Strictly one-dimensional electron system in Au chains on Ge(001) revealed by photoelectronk-space mapping Physical Review B ·S. Meyer, J. Schäfer, C. Blumenstein, P. Höpfner, Aaron Bostwick, J. L. McChesney, Eli Rotenberg, R. Claessen	2011	34
19	Triangular Spin-Orbit-Coupled Lattice with Strong Coulomb Correlations: Sn Atoms on a SiC(0001) Substrate Physical Review Letters ·S. Glass, Gang Li, F. Adler, J. Aulbach, A. Fleszar, Ronny Thomale, (unknown), R. Claessen, J. Schäfer	2015	33
20	Spin Chains and Electron Transfer at Stepped Silicon Surfaces Nano Letters ·J. Aulbach, Steven C. Erwin, R. Claessen, J. Schäfer	2016	32

About J. Schäfer

J. Schäfer is a scholar working on Atomic and Molecular Physics, and Optics, Materials Chemistry, Condensed Matter Physics, Electrical and Electronic Engineering and Biomedical Engineering, having authored 73 papers that have together received 2.1k indexed citations. Recurring topics across this work include Surface and Thin Film Phenomena (31 papers), Quantum and electron transport phenomena (29 papers), Topological Materials and Phenomena (15 papers), Semiconductor materials and devices (14 papers), Magnetic properties of thin films (13 papers), Graphene research and applications (12 papers), Physics of Superconductivity and Magnetism (9 papers) and Diamond and Carbon-based Materials Research (9 papers). The work is most often cited by research in Atomic and Molecular Physics, and Optics (1.4k citations), Condensed Matter Physics (492 citations), Materials Chemistry (1.1k citations), Electrical and Electronic Engineering (524 citations) and Surfaces, Coatings and Films (63 citations). J. Schäfer has collaborated with scholars based in Germany, United States and Switzerland. Frequent co-authors include R. Claessen, J. Ristein, C. Blumenstein, L. Ley, S. Meyer, Gang Li, L. Patthey, R. Matzdorf, Marek Wiśniewski and P. Höpfner. Their work appears in journals such as Physical Review Letters, Physical Review B, Physical review. B., Journal of Physics Condensed Matter and Nature Communications.

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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