Electron and X-Ray Spectroscopy Techniques
Electron and X-Ray Spectroscopy Techniques is a research topic within Surfaces, Coatings and Films. Science Explorer counts 61k research works in it since 1950. 15.3% of them reached the world's top 10% most cited for their field and year.
This cluster of papers focuses on surface analysis and electron spectroscopy techniques, including X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), electron inelastic mean free paths, ambient pressure photoelectron spectroscopy, and applications in surface science and nanomaterials characterization. It covers topics such as quantitative surface analysis, secondary electron emission, environmental scanning electron microscopy, and hard X-ray photoemission spectroscopy.
- X-ray Photoelectron Spectroscopy
- Scanning Electron Microscopy
- Electron Inelastic Mean Free Paths
- Ambient Pressure Photoelectron Spectroscopy
- Surface Science
- Quantitative Surface Analysis
- Secondary Electron Emission
- Nanomaterials Characterization
- Environmental Scanning Electron Microscopy
- Hard X-ray Photoemission Spectroscopy
- Research works
- 61k fractional, since 1950
- In the world top 10%
- 9.4k per year above
- Top-10% rate
- 15.3% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- -9% the tick is no change
Which countries lead Electron and X-Ray Spectroscopy Techniques research?
By volume, the United States and China publish the most (1k and 482 works in 2022–2025).
By volume, 2022–2025
- 1 United States 1k works
- 2 China 482 works
- 3 Germany 383 works
- 4 Japan 367 works
- 5 France 228 works
- 6 United Kingdom 195 works
- 7 Russia 177 works
- 8 South Korea 113 works
- 9 India 96 works
- 10 Belgium 86 works
How concentrated that is
The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.
Shares of the rows listed above, not of the whole node.
Which institutions lead Electron and X-Ray Spectroscopy Techniques research?
By volume in 2022–2025, IMEC publishes the most Electron and X-Ray Spectroscopy Techniques research, followed by Lawrence Berkeley National Laboratory and Centre National de la Recherche Scientifique.
By volume, 2022–2025
- 1 IMEC Belgium 40 works
- 2 Lawrence Berkeley National Laboratory United States 37 works
- 3 Centre National de la Recherche Scientifique France 28 works
- 4 Oak Ridge National Laboratory United States 28 works
- 5 Chinese Academy of Sciences China 25 works
- 6 Argonne National Laboratory United States 22 works
- 7 National Institute for Materials Science Japan 21 works
- 8 University of California, Berkeley United States 20 works
- 9 Brookhaven National Laboratory United States 20 works
- 10 Tsinghua University China 19 works
Who are the leading researchers in Electron and X-Ray Spectroscopy Techniques?
The most-cited researchers publishing on Electron and X-Ray Spectroscopy Techniques include W. Kohn, Zhong Lin Wang and K. K. Gan.
- 1 W. Kohn 15k citations
- 2 Zhong Lin Wang 11k citations
- 3 K. K. Gan 8.1k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Electron and X-Ray Spectroscopy Techniques research done?
The largest centres of Electron and X-Ray Spectroscopy Techniques research in 2022–2025 are Beijing (China), Tokyo (Japan), Moscow (Russia) and Paris (France). Among places with at least 20 works in it, it is an unusually large share of all research in Gaithersburg and Lemont.
Largest cities, 2022–2025
Where it is the local speciality
- GaithersburgUS · 26.5 works33×
- LemontUS · 22.1 works28×
Location quotient: how much more of its research is in Electron and X-Ray Spectroscopy Techniques than the world average.
Where is the best place to study Electron and X-Ray Spectroscopy Techniques?
Among universities, judged by research, University of Antwerp, École Polytechnique Fédérale de Lausanne and University of California, Berkeley score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | University of Antwerp Belgium | 62.2 | 13.1% | 16.3× | 19 | -34.9% |
| 2 | École Polytechnique Fédérale de Lausanne Switzerland | 55.4 | 21.3% | 6.2× | 10 | -41.1% |
| 3 | University of California, Berkeley United States | 54.4 | 16.0% | 5.9× | 20 | +9.4% |
| 4 | Massachusetts Institute of Technology United States | 50.8 | 19.8% | 5.3× | 13 | -46.2% |
| 5 | Uppsala University Sweden | 49.1 | 20.5% | 4.4× | 9 | +3.0% |
| 6 | Friedrich-Alexander-Universität Erlangen-Nürnberg Germany | 48.5 | 19.0% | 5.2× | 10 | +19.4% |
| 7 | University of Oxford United Kingdom | 47.4 | 17.0% | 3.3× | 17 | -22.4% |
| 8 | Technical University of Denmark Denmark | 47.2 | 7.4% | 7.6× | 16 | +7.3% |
| 9 | California Institute of Technology United States | 45.6 | 9.1% | 10.4× | 10 | -41.5% |
| 10 | Nagoya University Japan | 45.5 | 3.4% | 9.4× | 18 | +33.9% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Electron and X-Ray Spectroscopy Techniques research growing?
Output in 2018–2022 was 9% lower than in 2013–2017, peaking in 1993.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
Which topics inside it are moving
Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.