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Topic · Electronic, Optical and Magnetic Materials

Ga2O3 and related materials

Ga2O3 and related materials is a research topic within Electronic, Optical and Magnetic Materials. Science Explorer counts 31k research works in it since 1956. 9.8% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the materials, processing, and devices related to Gallium Oxide (Ga2O3) semiconductors. It covers a wide range of topics including ultrawide bandgap semiconductors, power devices, photodetectors, thin film growth, crystal growth, field-effect transistors, and solar-blind applications.

  • Gallium Oxide
  • Semiconductor
  • Ultrawide Bandgap
  • Power Devices
  • Photodetectors
  • Thin Films
  • Crystal Growth
  • Field-Effect Transistors
  • Solar-Blind
  • Epitaxial Growth
Research works
31k
fractional, since 1956
In the world top 10%
3k
per year above
Top-10% rate
9.8%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+3%
the tick is no change
Largest producer
China
53% of the 10 largest, 2022-now
Ga2O3 and related materials

Which countries lead Ga2O3 and related materials research?

By volume, China and the United States publish the most (2.8k and 629 works in 2022-now).

By volume, 2022-now

  1. 1 China 2.8k works
  2. 2 United States 629 works
  3. 3 India 544 works
  4. 4 Japan 353 works
  5. 5 South Korea 285 works
  6. 6 Taiwan 176 works
  7. 7 Germany 148 works
  8. 8 Russia 118 works
  9. 9 France 117 works
  10. 10 Saudi Arabia 94 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: 53.0%United States: 12.0%India: 10.4%Japan: 6.7%6 others listed: 17.9%53%largest
China2,777 · 53.0%United States629 · 12.0%India544 · 10.4%Japan353 · 6.7%6 others listed937 · 17.9%

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

Which institutions lead Ga2O3 and related materials research?

By volume in 2022-now, Chinese Academy of Sciences publishes the most Ga2O3 and related materials research, followed by Xidian University and University of Science and Technology of China.

By volume, 2022-now

  1. 1 Chinese Academy of SciencesChina 275 works
  2. 2 Xidian UniversityChina 108 works
  3. 3 University of Science and Technology of ChinaChina 59 works
  4. 4 Centre National de la Recherche ScientifiqueFrance 55 works
  5. 5 Shandong UniversityChina 53 works
  6. 6 Sun Yat-sen UniversityChina 49 works
  7. 7 Russian Academy of SciencesRussia 46 works
  8. 8 University of Chinese Academy of SciencesChina 44 works
  9. 9 Nanjing University of Posts and TelecommunicationsChina 36 works
  10. 10 Xiamen UniversityChina 36 works

Who are the leading researchers in Ga2O3 and related materials?

The most-cited researchers publishing on Ga2O3 and related materials 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 Kostya S. Novoselov United Kingdom 331k citations
  6. 6 Andre K. Geim United Kingdom 315k 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 Kenji Watanabe Japan 237k 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 Ga2O3 and related materials?

The most cited paper in Ga2O3 and related materials is "Electronics and optoelectronics of two-dimensional transition metal dichalcogenides" (Qing Hua Wang, Kourosh Kalantar‐Zadeh, András Kis et al., 2012), with 16,413 citations. Next come "A comprehensive review of ZnO materials and devices" (11,461) and "Improved tangent estimate in the nudged elastic band method for finding minimum energy paths and saddle points" (9,680).

Most cited papers
#PaperReleasedCitations
1 Electronics and optoelectronics of two-dimensional transition metal dichalcogenides Qing Hua Wang, Kourosh Kalantar‐Zadeh, András Kis et al. · Nature Nanotechnology Open access Nov 2012 16,413
2 A comprehensive review of ZnO materials and devices Ümit Özgür, Ya. I. Alivov, C. Liu et al. · Journal of Applied Physics 15 Aug 2005 11,461
3 Improved tangent estimate in the nudged elastic band method for finding minimum energy paths and saddle points Graeme Henkelman, Hannes Jónsson · The Journal of Chemical Physics 8 Dec 2000 9,680
4 Room-Temperature Ultraviolet Nanowire Nanolasers Michael H. Huang, Samuel S. Mao, H. Feick et al. · Science 8 Jun 2001 8,926
5 One‐Dimensional Nanostructures: Synthesis, Characterization, and Applications Yan Xia, Pengfei Yang, Yugang Sun et al. · Advanced Materials 4 Mar 2003 8,549
All 100 most cited papers, with filters and sorting

Where is Ga2O3 and related materials research done?

The largest centres of Ga2O3 and related materials research in 2022-now are Beijing (China), Xi'an (China), Nanjing (China) and Guangzhou (China). Among places with at least 20 works in it, it is an unusually large share of all research in Santa Barbara.

Largest cities, 2022-now

  1. 1 BeijingChina 401 works
  2. 2 Xi'anChina 245 works
  3. 3 NanjingChina 177 works
  4. 4 GuangzhouChina 147 works
  5. 5 ShanghaiChina 142 works
  6. 6 SeoulSouth Korea 109 works
  7. 7 HefeiChina 95 works
  8. 8 WuhanChina 87 works
  9. 9 ChangchunChina 84 works
  10. 10 ShenzhenChina 75 works

Where it is the local speciality

  1. Santa BarbaraUS · 30.4 works14×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Ga2O3 and related materials than the world average.

See Ga2O3 and related materials on the map

Where is the best place to study Ga2O3 and related materials?

Among universities, judged by research, University of Science and Technology of China, Zhejiang Sci-Tech University and Xidian 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 20.95%fractional works in this field (log) →share of work in the world top 10% →Zhejiang Sci-Tech Un…University of Scienc…King Abdullah Univer…Xidian 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 Science and Technology of ChinaChina 63.215.4%9.3×59 +114.6%
2Zhejiang Sci-Tech UniversityChina 63.032.8%8.2×13 +49.7%
3Xidian UniversityChina 58.97.1%27.6×108 +33.6%
4King Abdullah University of Science and TechnologySaudi Arabia 58.913.5%19.9×30 +13.9%
5Jiangsu University of Science and TechnologyChina 58.933.1%5.1×8 +100.5%
6Chongqing Normal UniversityChina 56.734.6%13.3×9 +144.2%
7Northeast Normal UniversityChina 55.925.8%13.8×16 +125.7%
8Nanjing University of Posts and TelecommunicationsChina 55.715.7%15.9×36 +283.9%
9University of Chinese Academy of SciencesChina 55.013.1%5.0×44 +19.0%
10Zhengzhou UniversityChina 54.618.4%4.2×28 +18.1%

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 Ga2O3 and related materials, country by country

Is Ga2O3 and related materials research growing?

Output in 2022-2025 was 3% higher than in 2018-2021, peaking in 2022. The fastest-growing topics are Ga2O3 and related materials.

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 Ga2O3 and related materials as a percentage of every work published that year, 0.025% in 2024.

still counting0.020%0.040%Ga2O3 and related materials0.021% in 202519801990200020102020

Fractional works of Ga2O3 and related materials 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%Ga2O3 and related materials9.6% 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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