Photocathodes and Microchannel Plates
Photocathodes and Microchannel Plates is a research topic within Biomedical Engineering. Science Explorer counts 8.6k research works in it since 1950. 13.5% of them reached the world's top 10% most cited for their field and year.
This cluster of papers focuses on the development and optimization of high-efficiency photocathodes for electron sources, with a particular emphasis on materials such as GaN and GaAs. The research covers topics such as quantum efficiency, negative electron affinity, surface photovoltage, microchannel plates, spin polarization, and the application of these photocathodes in ultraviolet detectors.
- Photocathodes
- Electron Sources
- Quantum Efficiency
- Negative Electron Affinity
- GaN
- GaAs
- Surface Photovoltage
- Microchannel Plates
- Spin Polarization
- Ultraviolet Detectors
- Research works
- 8.6k fractional, since 1950
- In the world top 10%
- 1.2k per year above
- Top-10% rate
- 13.5% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- -4% the tick is no change
Which countries lead Photocathodes and Microchannel Plates research?
By volume, China and the United States publish the most (288 and 200 works in 2022–2025).
By volume, 2022–2025
- 1 China 288 works
- 2 United States 200 works
- 3 Japan 54 works
- 4 Russia 48 works
- 5 Germany 47 works
- 6 France 29 works
- 7 Italy 26 works
- 8 India 22 works
- 9 United Kingdom 20 works
- 10 South Korea 16 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 Photocathodes and Microchannel Plates research?
By volume in 2022–2025, Nanjing University of Science and Technology publishes the most Photocathodes and Microchannel Plates research, followed by Chinese Academy of Sciences and University of Chinese Academy of Sciences.
By volume, 2022–2025
- 1 Nanjing University of Science and Technology China 29 works
- 2 Chinese Academy of Sciences China 17 works
- 3 University of Chinese Academy of Sciences China 13 works
- 4 Center for Astrophysics Harvard & Smithsonian United States 12 works
- 5 University of Science and Technology of China China 9 works
- 6 Nagoya University Japan 8 works
- 7 China Building Materials Academy China 7 works
- 8 Zhengzhou University China 7 works
- 9 Deutsches Elektronen-Synchrotron DESY Germany 7 works
- 10 Thomas Jefferson National Accelerator Facility United States 6 works
Who are the leading researchers in Photocathodes and Microchannel Plates?
The most-cited researchers publishing on Photocathodes and Microchannel Plates include J. Chudoba.
- 1 J. Chudoba 7.4k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Photocathodes and Microchannel Plates research done?
The largest centres of Photocathodes and Microchannel Plates research in 2022–2025 are Beijing (China), Nanjing (China), Xi'an (China) and Moscow (Russia).
Where is the best place to study Photocathodes and Microchannel Plates?
Among universities, judged by research, University of Chinese Academy of Sciences, University of Science and Technology of China and Nanjing University of Science and Technology 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 Chinese Academy of Sciences China | 64.9 | 8.9% | 9.1× | 13 | +13.4% |
| 2 | University of Science and Technology of China China | 59.1 | 11.6% | 9.0× | 9 | -11.0% |
| 3 | Nanjing University of Science and Technology China | 51.0 | 1.2% | 41.2× | 29 | -35.4% |
| 4 | Center for Astrophysics Harvard & Smithsonian United States | 39.7 | 0.0% | 188.4× | 12 | -47.8% |
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 Photocathodes and Microchannel Plates research growing?
Output in 2018–2022 was 4% lower than in 2013–2017, peaking in 2025. The fastest-growing topics are Photocathodes and Microchannel Plates.
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.