Science Explorer Interactive view Map

Muon and positron interactions and applications

Muon and positron interactions and applications is a research topic within Mechanics of Materials. Science Explorer counts 15k research works in it since 1950. 21.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the use of positron annihilation spectroscopy to identify defects in semiconductors, porous materials, and polymers. It includes experimental and theoretical studies on topics such as annihilation lifetime, free volume, nanostructures, and the application of muons in defect characterization.

  • Positron Annihilation
  • Defect Identification
  • Semiconductors
  • Porous Materials
  • Annihilation Lifetime
  • Free Volume
  • Nanostructures
  • Polymers
  • Muons
  • Spectroscopy
Research works
15k
fractional, since 1950
In the world top 10%
3.4k
per year above
Top-10% rate
21.9%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
-14%
the tick is no change

Which countries lead Muon and positron interactions and applications research?

By volume, China and the United States publish the most (215 and 161 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 215 works
  2. 2 United States 161 works
  3. 3 Japan 114 works
  4. 4 Russia 66 works
  5. 5 Germany 61 works
  6. 6 Italy 61 works
  7. 7 India 51 works
  8. 8 United Kingdom 39 works
  9. 9 France 33 works
  10. 10 Switzerland 31 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.

China: 25.9%United States: 19.4%Japan: 13.7%Russia: 7.9%6 others listed: 33.1%26%largest
China215 · 25.9%United States161 · 19.4%Japan114 · 13.7%Russia66 · 7.9%6 others listed276 · 33.1%

Shares of the rows listed above, not of the whole node.

Which institutions lead Muon and positron interactions and applications research?

By volume in 2022–2025, Fermi National Accelerator Laboratory publishes the most Muon and positron interactions and applications research, followed by University of Science and Technology of China and Chinese Academy of Sciences.

Who are the leading researchers in Muon and positron interactions and applications?

The most-cited researchers publishing on Muon and positron interactions and applications include S. Willocq.

  1. 1 S. Willocq United Kingdom 9.3k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Muon and positron interactions and applications research done?

The largest centres of Muon and positron interactions and applications research in 2022–2025 are Beijing (China), Moscow (Russia), Tokyo (Japan) and Batavia (United States).

Largest cities, 2022–2025

  1. 1 Beijing China 49 works
  2. 2 Moscow Russia 25 works
  3. 3 Tokyo Japan 23 works
  4. 4 Batavia United States 18 works
  5. 5 Hefei China 18 works
  6. 6 Rome Italy 12 works
  7. 7 Mumbai India 11 works
  8. 8 Paris France 11 works
  9. 9 Tsukuba Japan 10 works
  10. 10 Villigen Switzerland 10 works
See Muon and positron interactions and applications on the map

Where is the best place to study Muon and positron interactions and applications?

Among universities, judged by research, University of Science and Technology of China 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.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 University of Science and Technology of ChinaChina 76.013.5%10.0×13 +100.4%

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 Muon and positron interactions and applications research growing?

Output in 2018–2022 was 14% lower than in 2013–2017, peaking in 2002.

19801990200020102020
grewheldshrank

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.