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Topic · Condensed Matter Physics

Rare-earth and actinide compounds

Rare-earth and actinide compounds is a research topic within Condensed Matter Physics. Science Explorer counts 41k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the study of superconductivity in heavy fermion systems, including the exploration of quantum criticality, non-Fermi-liquid behavior, unconventional superconductivity, magnetic phase transitions, and the properties of actinide metals. It also covers topics related to Fermi surfaces, topological insulators, and spin-triplet order in superconductors.

  • Heavy Fermion
  • Superconductivity
  • Quantum Criticality
  • Non-Fermi-Liquid Behavior
  • Fermi Surface
  • Unconventional Superconductivity
  • Magnetic Phase Transitions
  • Actinide Metals
  • Topological Insulators
  • Spin-Triplet Order
Research works
41k
fractional, since 1950
In the world top 10%
4k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-2%
the tick is no change
Largest producer
China
31% of the 10 largest, 2022-now
Rare-earth and actinide compounds

Which countries lead Rare-earth and actinide compounds research?

By volume, China and the United States publish the most (759 and 473 works in 2022-now).

By volume, 2022-now

  1. 1 China 759 works
  2. 2 United States 473 works
  3. 3 Japan 333 works
  4. 4 India 205 works
  5. 5 Russia 202 works
  6. 6 Germany 200 works
  7. 7 France 117 works
  8. 8 United Kingdom 69 works
  9. 9 Poland 63 works
  10. 10 Ukraine 47 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: 30.7%United States: 19.2%Japan: 13.5%India: 8.3%6 others listed: 28.3%31%largest
China759 · 30.7%United States473 · 19.2%Japan333 · 13.5%India205 · 8.3%6 others listed698 · 28.3%

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

Which institutions lead Rare-earth and actinide compounds research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Rare-earth and actinide compounds research, followed by Russian Academy of Sciences and Centre National de la Recherche Scientifique.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 130 works
  2. 2 Russian Academy of SciencesRussia 93 works
  3. 3 Centre National de la Recherche ScientifiqueFrance 51 works
  4. 4 Iowa State UniversityUnited States 38 works
  5. 5 Los Alamos National LaboratoryUnited States 37 works
  6. 6 Helmholtz Association of German Research CentresGermany 35 works
  7. 7 Polish Academy of SciencesPoland 33 works
  8. 8 Max Planck SocietyGermany 32 works
  9. 9 University of North Carolina at Chapel HillUnited States 31 works
  10. 10 Tohoku UniversityJapan 28 works

Who are the leading researchers in Rare-earth and actinide compounds?

The most-cited researchers publishing on Rare-earth and actinide compounds include Zhong Lin Wang, John P. Perdew and Georg Kresse.

  1. 1 Zhong Lin Wang United States 491k citations
  2. 2 John P. Perdew United States 436k citations
  3. 3 Georg Kresse Austria 431k citations
  4. 4 Andre K. Geim United Kingdom 315k citations
  5. 5 Kieron Burke United States 276k citations
  6. 6 M. Weber Israel 267k citations
  7. 7 Kenji Watanabe Japan 237k citations
  8. 8 Takashi Taniguchi Japan 227k citations
  9. 9 Stefan Grimme Germany 224k citations
  10. 10 Kai You Wang China 224k 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 Rare-earth and actinide compounds?

The most cited paper in Rare-earth and actinide compounds is "Soft self-consistent pseudopotentials in a generalized eigenvalue formalism" (David Vanderbilt, 1990), with 23,211 citations. Next come "Iron-Based Layered Superconductor La[O 1- x F x ]FeAs ( x = 0.05−0.12) with T c = 26 K" (7,903) and "Unpaired Majorana fermions in quantum wires" (4,840).

Most cited papers
#PaperReleasedCitations
1 Soft self-consistent pseudopotentials in a generalized eigenvalue formalism David Vanderbilt · Physical review. B, Condensed matter 15 Apr 1990 23,211
2 Iron-Based Layered Superconductor La[O 1- x F x ]FeAs ( x = 0.05−0.12) with T c = 26 K Yoichi Kamihara, Takumi Watanabe, Masahiro Hirano et al. · Journal of the American Chemical Society 23 Feb 2008 7,903
3 Unpaired Majorana fermions in quantum wires A Yu Kitaev · Physics-Uspekhi Open access Oct 2001 4,840
4 Doping a Mott insulator: Physics of high-temperature superconductivity Patrick A. Lee, Naoto Nagaosa, Xiao-Gang Wen · Reviews of Modern Physics 6 Jan 2006 4,609
5 Magnetization of Hard Superconductors Charles P. Bean · Physical Review Letters 15 Mar 1962 4,381
All 100 most cited papers, with filters and sorting

Where is Rare-earth and actinide compounds research done?

The largest centres of Rare-earth and actinide compounds research in 2022-now are Beijing (China), Moscow (Russia), Tokyo (Japan) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Los Alamos and Ames.

Largest cities, 2022-now

  1. 1 BeijingChina 194 works
  2. 2 MoscowRussia 93 works
  3. 3 TokyoJapan 68 works
  4. 4 ShanghaiChina 46 works
  5. 5 HefeiChina 41 works
  6. 6 DresdenGermany 40 works
  7. 7 YekaterinburgRussia 39 works
  8. 8 TsukubaJapan 39 works
  9. 9 AmesUnited States 38 works
  10. 10 Los AlamosUnited States 37 works

Where it is the local speciality

  1. Los AlamosUS · 37.3 works47×
  2. AmesUS · 37.8 works32×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Rare-earth and actinide compounds than the world average.

See Rare-earth and actinide compounds on the map

Where is the best place to study Rare-earth and actinide compounds?

Among universities, judged by research, Jilin University, University of Chinese Academy of Sciences and Renmin University 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.

0%10%20%30%mean 14.46%fractional works in this field (log) →share of work in the world top 10% →Renmin University of…Jilin UniversityUniversity of Chines…Iowa State 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
1Jilin UniversityChina 73.924.9%8.2×25 +93.1%
2University of Chinese Academy of SciencesChina 69.221.5%5.3×23 +27.2%
3Renmin University of ChinaChina 62.525.3%10.8×9 +5.0%
4Iowa State UniversityUnited States 60.59.0%36.9×38 -26.1%
5Ningbo UniversityChina 51.823.0%5.3×8 +219.5%
6Lomonosov Moscow State UniversityRussia 50.82.1%11.9×27 -0.3%
7Tohoku UniversityJapan 50.78.5%16.1×28 -26.0%
8The University of TokyoJapan 50.25.4%8.3×28 -34.7%
9University of the Basque CountrySpain 48.920.5%6.7×8 +30.9%
10University of MünsterGermany 48.84.4%22.9×26 -10.6%

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 Rare-earth and actinide compounds, country by country

Is Rare-earth and actinide compounds research growing?

Output in 2022-2025 was 2% lower than in 2018-2021, peaking in 2006.

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 Rare-earth and actinide compounds as a percentage of every work published that year, 0.013% in 2024.

still counting0.050%0.10%0.15%Rare-earth and actinide compounds0.013% in 202519801990200020102020

Fractional works of Rare-earth and actinide compounds 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 counting5%10%15%Rare-earth and actinide compounds9.9% 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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