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Solid-state spectroscopy and crystallography

Solid-state spectroscopy and crystallography is a research topic within Materials Chemistry. Science Explorer counts 53k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the use of solid acids as fuel cell electrolytes, focusing on their protonic conduction and ferroelectric properties. The papers cover topics such as high-temperature behavior, crystal structure, dielectric properties, phase transitions, and the application of nuclear quadrupole resonance in studying these materials.

  • Solid Acids
  • Protonic Conduction
  • Ferroelectricity
  • Fuel Cells
  • Electrical Properties
  • Crystal Structure
  • Dielectric Properties
  • Phase Transitions
  • Nuclear Quadrupole Resonance
  • High Temperature Behavior
Research works
53k
fractional, since 1950
In the world top 10%
5.3k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+7%
the tick is no change
Largest producer
China
40% of the 10 largest, 2022-now
Solid-state spectroscopy and crystallography

Which countries lead Solid-state spectroscopy and crystallography research?

By volume, China and India publish the most (1.5k and 527 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.5k works
  2. 2 India 527 works
  3. 3 United States 486 works
  4. 4 Russia 349 works
  5. 5 Japan 214 works
  6. 6 Germany 191 works
  7. 7 France 177 works
  8. 8 South Korea 131 works
  9. 9 United Kingdom 111 works
  10. 10 Saudi Arabia 90 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: 39.6%India: 14.0%United States: 12.9%Russia: 9.2%6 others listed: 24.2%40%largest
China1,494 · 39.6%India527 · 14.0%United States486 · 12.9%Russia349 · 9.2%6 others listed914 · 24.2%

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

Which institutions lead Solid-state spectroscopy and crystallography research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Solid-state spectroscopy and crystallography research, followed by Russian Academy of Sciences and Centre National de la Recherche Scientifique.

Who are the leading researchers in Solid-state spectroscopy and crystallography?

The most-cited researchers publishing on Solid-state spectroscopy and crystallography include Zhong Lin Wang, Michaël Grätzel and John P. Perdew.

  1. 1 Zhong Lin Wang United States 491k citations
  2. 2 Michaël Grätzel Switzerland 458k citations
  3. 3 John P. Perdew United States 436k citations
  4. 4 Georg Kresse Austria 431k citations
  5. 5 Kieron Burke United States 276k citations
  6. 6 George M. Whitesides United States 267k citations
  7. 7 Wei Huang China 267k citations
  8. 8 Yi Ping Cui United States 261k citations
  9. 9 Ben Zhong Tang China 261k citations
  10. 10 Xiaogang Wang China 260k citations

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

What are the most cited papers in Solid-state spectroscopy and crystallography?

The most cited paper in Solid-state spectroscopy and crystallography is "Efficient pseudopotentials for plane-wave calculations" (N. Troullier, José Luı́s Martins, 1991), with 16,228 citations. Next come "Phonons and related crystal properties from density-functional perturbation theory" (10,098) and "Natural population analysis" (9,984).

Most cited papers
#PaperReleasedCitations
1 Efficient pseudopotentials for plane-wave calculations N. Troullier, José Luı́s Martins · Physical review. B, Condensed matter 15 Jan 1991 16,228
2 Phonons and related crystal properties from density-functional perturbation theory Stefano Baroni, Stefano de Gironcoli, Andrea Dal Corso et al. · Reviews of Modern Physics Open access 6 Jul 2001 10,098
3 Natural population analysis Alan E. Reed, Robert B. Weinstock, Frank Weinhold · The Journal of Chemical Physics 15 Jul 1985 9,984
4 Nanocrystals of Cesium Lead Halide Perovskites (CsPbX 3 , X = Cl, Br, and I): Novel Optoelectronic Materials Showing Bright Emission with Wide Color Gamut Loredana Proteşescu, Sergii Yakunin, Maryna I. Bodnarchuk et al. · Nano Letters Open access 29 Jan 2015 9,186
5 A Theory of Sensitized Luminescence in Solids David L. Dexter · The Journal of Chemical Physics May 1953 9,011
All 100 most cited papers, with filters and sorting

Where is Solid-state spectroscopy and crystallography research done?

The largest centres of Solid-state spectroscopy and crystallography research in 2022-now are Beijing (China), Moscow (Russia), Nanjing (China) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Sfax, Ganzhou and Baku.

Largest cities, 2022-now

  1. 1 BeijingChina 254 works
  2. 2 MoscowRussia 110 works
  3. 3 NanjingChina 81 works
  4. 4 ShanghaiChina 78 works
  5. 5 SeoulSouth Korea 58 works
  6. 6 WuhanChina 58 works
  7. 7 ParisFrance 55 works
  8. 8 Xi'anChina 55 works
  9. 9 Saint PetersburgRussia 51 works
  10. 10 FuzhouChina 48 works

Where it is the local speciality

  1. SfaxTN · 26.1 works14×
  2. GanzhouCN · 23.7 works13×
  3. BakuAZ · 41.9 works11×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Solid-state spectroscopy and crystallography than the world average.

See Solid-state spectroscopy and crystallography on the map

Where is the best place to study Solid-state spectroscopy and crystallography?

Among universities, judged by research, University of Chinese Academy of Sciences, Guangxi University and King Khalid University 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.

0%20%40%mean 22.56%fractional works in this field (log) →share of work in the world top 10% →Guangxi UniversityKing Khalid UniversityUniversity of Chines…Southeast University
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of Chinese Academy of SciencesChina 81.225.0%5.4×38 +39.4%
2Guangxi UniversityChina 73.732.8%6.6×17 +210.3%
3King Khalid UniversitySaudi Arabia 71.326.1%8.9×14 +171.6%
4Southeast UniversityChina 65.712.8%4.7×30 +30.2%
5Nankai UniversityChina 63.734.6%4.2×12 +114.5%
6King Saud UniversitySaudi Arabia 62.916.9%4.4×18 +177.6%
7Sogang UniversitySouth Korea 58.829.6%23.6×8 +225.7%
8Shandong UniversityChina 58.011.2%5.3×30 +92.1%
9Nanchang UniversityChina 57.412.3%7.3×24 +43.8%
10Southern University of Science and TechnologyChina 56.124.3%4.5×10 +61.7%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Solid-state spectroscopy and crystallography, country by country

Is Solid-state spectroscopy and crystallography research growing?

Output in 2022-2025 was 7% higher than in 2018-2021, peaking in 2024. The fastest-growing topics are Solid-state spectroscopy and crystallography.

still counting19801990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Solid-state spectroscopy and crystallography as a percentage of every work published that year, 0.024% in 2024.

still counting0.10%0.20%0.30%Solid-state spectroscopy and crystallography0.020% in 202519801990200020102020

Fractional works of Solid-state spectroscopy and crystallography over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting10%20%30%Solid-state spectroscopy and crystallography9.8% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

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.

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