F. Keilmann

20.7k total citations · 11 hit papers
167 papers, 15.9k citations indexed

About

F. Keilmann is a scholar working on Electrical and Electronic Engineering, Biomedical Engineering and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, F. Keilmann has authored 167 papers receiving a total of 15.9k indexed citations (citations by other indexed papers that have themselves been cited), including 90 papers in Electrical and Electronic Engineering, 82 papers in Biomedical Engineering and 79 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in F. Keilmann's work include Near-Field Optical Microscopy (52 papers), Photonic and Optical Devices (31 papers) and Plasmonic and Surface Plasmon Research (29 papers). F. Keilmann is often cited by papers focused on Near-Field Optical Microscopy (52 papers), Photonic and Optical Devices (31 papers) and Plasmonic and Surface Plasmon Research (29 papers). F. Keilmann collaborates with scholars based in Germany, United States and Singapore. F. Keilmann's co-authors include Rainer Hillenbrand, B. Knoll, Thomas Taubner, D. N. Basov, M. M. Fogler, M. H. Thiemens, Alexander McLeod, Zhe Fei, Gregory Andreev and Sergiu Amarie and has published in prestigious journals such as Nature, Science and Physical Review Letters.

In The Last Decade

F. Keilmann

163 papers receiving 15.2k citations

Hit Papers

Gate-tuning of graphene p... 1999 2026 2008 2017 2012 2007 2014 1999 2002 500 1000 1.5k
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. Gate-tuning of graphene plasmons revealed by infrared nano-imaging
    2012 1.7k citations Zhe Fei, Aleksandr Rodin et al. Nature profile →
  2. Mott Transition in VO 2 Revealed by Infrared Spectroscopy and Nano-Imaging
    2007 1.2k citations M. Brehm, F. Keilmann et al. Science profile →
  3. Tunable Phonon Polaritons in Atomically Thin van der Waals Crystals of Boron Nitride
    2014 952 citations Siyuan Dai, Zhe Fei et al. Science profile →
  4. Near-field probing of vibrational absorption for chemical microscopy
    1999 697 citations B. Knoll, F. Keilmann Nature profile →
  5. Phonon-enhanced light–matter interaction at the nanometre scale
    2002 650 citations Rainer Hillenbrand, Thomas Taubner et al. Nature profile →
  6. Near-field microscopy by elastic light scattering from a tip
    2004 511 citations F. Keilmann, Rainer Hillenbrand profile →
  7. Nano-FTIR Absorption Spectroscopy of Molecular Fingerprints at 20 nm Spatial Resolution
    2012 494 citations Florian Huth, Sergiu Amarie et al. profile →
  8. Graphene on hexagonal boron nitride as a tunable hyperbolic metamaterial
    2015 481 citations Siyuan Dai, Q. Ma et al. profile →
  9. Infrared Nanoscopy of Dirac Plasmons at the Graphene–SiO2 Interface
    2011 467 citations Zhe Fei, Alexander McLeod et al. profile →
  10. Time-domain mid-infrared frequency-comb spectrometer
    2004 459 citations F. Keilmann et al. profile →
  11. Terahertz Near-Field Nanoscopy of Mobile Carriers in Single Semiconductor Nanodevices
    2008 428 citations A. Huber, F. Keilmann et al. profile →

Author Peers

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

Author Last Decade Papers Cites
F. Keilmann 9.2k 6.5k 6.2k 3.8k 3.7k 167 15.9k
Rainer Hillenbrand 13.6k 1.5× 6.4k 1.0× 7.5k 1.2× 6.0k 1.6× 4.3k 1.2× 206 19.6k
Markus B. Raschke 5.4k 0.6× 3.3k 0.5× 3.7k 0.6× 3.1k 0.8× 2.5k 0.7× 183 9.8k
Richard D. Averitt 7.6k 0.8× 9.4k 1.4× 5.3k 0.9× 14.8k 3.9× 3.2k 0.9× 255 22.4k
D. N. Basov 7.8k 0.8× 6.4k 1.0× 8.2k 1.3× 9.3k 2.4× 7.1k 1.9× 250 21.9k
Hans A. Bechtel 3.5k 0.4× 2.8k 0.4× 3.3k 0.5× 2.4k 0.6× 3.4k 0.9× 138 9.2k
Javier Aizpurua 16.6k 1.8× 6.1k 0.9× 7.5k 1.2× 14.6k 3.8× 5.0k 1.3× 251 23.5k
Alexander O. Govorov 10.9k 1.2× 5.7k 0.9× 6.8k 1.1× 13.3k 3.5× 10.8k 2.9× 320 27.6k
Harald Gießen 23.6k 2.6× 12.4k 1.9× 15.4k 2.5× 20.6k 5.4× 4.2k 1.1× 543 37.3k
H. Kurz 4.4k 0.5× 11.8k 1.8× 7.3k 1.2× 1.3k 0.3× 5.1k 1.4× 505 16.7k
Frank H. L. Koppens 12.3k 1.3× 11.5k 1.8× 10.8k 1.8× 6.5k 1.7× 12.7k 3.4× 163 26.8k

Countries citing papers authored by F. Keilmann

Since Specialization
Citations

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

Fields of papers citing papers by F. Keilmann

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of F. Keilmann

This figure shows the co-authorship network connecting the top 25 collaborators of F. Keilmann. A scholar is included among the top collaborators of F. Keilmann 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 F. Keilmann. F. Keilmann 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.
Zhang, Jialiang, Korbinian J. Kaltenecker, Dirk Trauner, et al.. (2025). Transient infrared nanoscopy resolves the millisecond photoswitching dynamics of single lipid vesicles in water. Nature Communications. 16(1). 6033–6033.
2.
Mancini, Andrea, et al.. (2024). Revealing Mode Formation in Quasi‐Bound States in the Continuum Metasurfaces via Near‐Field Optical Microscopy. Advanced Materials. 36(38). e2405978–e2405978. 13 indexed citations
3.
Kaltenecker, Korbinian J., et al.. (2021). Infrared-spectroscopic, dynamic near-field microscopy of living cells and nanoparticles in water. Scientific Reports. 11(1). 21860–21860. 47 indexed citations
4.
Huth, Florian, Daniel Molter, Jens Klier, et al.. (2015). THz-TDS based near-field imaging and spectroscopy at 25 nm length scale. Publikationsdatenbank der Fraunhofer-Gesellschaft (Fraunhofer-Gesellschaft). 1 indexed citations
5.
Ni, Guangxin, Haomin Wang, James Swi‐Bea Wu, et al.. (2015). Plasmons in graphene moiré superlattices. Nature Materials. 14(12). 1217–1222. 144 indexed citations
6.
Dai, Siyuan, Q. Ma, Trond I. Andersen, et al.. (2015). Subdiffractional focusing and guiding of polaritonic rays in a natural hyperbolic material. Nature Communications. 6(1). 6963–6963. 339 indexed citations
7.
Dai, Siyuan, Zhe Fei, Q. Ma, et al.. (2014). Tunable Phonon Polaritons in Atomically Thin van der Waals Crystals of Boron Nitride. Science. 343(6175). 1125–1129. 952 indexed citations breakdown →
8.
Westermeier, Christian, et al.. (2014). Sub-micron phase coexistence in small-molecule organic thin films revealed by infrared nano-imaging. Nature Communications. 5(1). 4101–4101. 95 indexed citations
9.
Geith, Tobias, Sergiu Amarie, Stefan Milz, Fabian Bamberg, & F. Keilmann. (2013). Visualisation of methacrylate‐embedded human bone sections by infrared nanoscopy. Journal of Biophotonics. 7(6). 418–424. 6 indexed citations
10.
Amarie, Sergiu, Paul Zaslansky, Yusuke Kajihara, et al.. (2012). Nano-FTIR chemical mapping of minerals in biological materials. Beilstein Journal of Nanotechnology. 3. 312–323. 111 indexed citations
11.
Brehm, M., et al.. (2008). Antenna-mediated back-scattering efficiency in infrared near-field microscopy. Optics Express. 16(15). 11203–11203. 40 indexed citations
12.
Keilmann, F.. (2004). Scattering-type near-field optical microscopy. Journal of Electron Microscopy. 53(2). 187–192. 15 indexed citations
13.
Dekorsy, T., et al.. (2003). Infrared-Phonon–Polariton Resonance of the Nonlinear Susceptibility in GaAs. Physical Review Letters. 90(5). 55508–55508. 51 indexed citations
14.
Hillenbrand, Rainer, Thomas Taubner, & F. Keilmann. (2002). Phonon-enhanced light–matter interaction at the nanometre scale. Nature. 418(6894). 159–162. 650 indexed citations breakdown →
15.
Hillenbrand, Rainer, B. Knoll, & F. Keilmann. (2001). Pure optical contrast in scattering‐type scanning near‐field microscopy. Journal of Microscopy. 202(1). 77–83. 163 indexed citations
16.
Knoll, B. & F. Keilmann. (1999). Mid‐infrared scanning near‐field optical microscope resolves 30 nm. Journal of Microscopy. 194(2-3). 512–515. 28 indexed citations
17.
Keilmann, F., et al.. (1996). Extreme sub-wavelength resolution with a scanning radio-frequency transmission microscope. Optics Communications. 129(1-2). 15–18. 58 indexed citations
18.
Keilmann, F.. (1986). Saturation of the far-infrared linear and nonlinear susceptibilities of mobile carriers. 1 indexed citations
19.
Möhler, E., et al.. (1984). Influence of infrared radiation on the excitonic absorption edge of CuCl. Applied Physics A. 33(4). 247–250. 5 indexed citations
20.
Morjan, I., Yu. N. Petrov, D. J. Ehrlich, et al.. (1982). Surface spectroscopy. Applied Physics B. 29(3). 182–185. 2 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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