Optical properties and cooling technologies in crystalline materials
Optical properties and cooling technologies in crystalline materials is a research topic within Atomic and Molecular Physics, and Optics. Science Explorer counts 8.3k research works in it since 1950. 16.8% of them reached the world's top 10% most cited for their field and year.
This cluster of papers focuses on the use of laser cooling and optical refrigeration techniques to achieve cryogenic temperatures in solids, particularly semiconductors and rare-earth-doped materials. The research covers topics such as solid-state optical refrigeration, crystal growth, electronic structure analysis, and minimizing thermal loading in the context of radiation-balanced lasers.
- Laser Cooling
- Optical Refrigeration
- Semiconductor
- Solid-State
- Cryogenic Temperatures
- Rare-Earth-Doped Materials
- Crystal Growth
- Electronic Structure
- Thermal Loading
- Radiation-Balanced Lasers
- Research works
- 8.3k fractional, since 1950
- In the world top 10%
- 1.4k per year above
- Top-10% rate
- 16.8% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +93% the tick is no change
Which countries lead Optical properties and cooling technologies in crystalline materials research?
By volume, China and the United States publish the most (726 and 165 works in 2022–2025).
By volume, 2022–2025
- 1 China 726 works
- 2 United States 165 works
- 3 India 118 works
- 4 Russia 100 works
- 5 Japan 59 works
- 6 Germany 52 works
- 7 South Korea 49 works
- 8 France 47 works
- 9 Italy 37 works
- 10 Spain 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.
Shares of the rows listed above, not of the whole node.
Which institutions lead Optical properties and cooling technologies in crystalline materials research?
By volume in 2022–2025, Chinese Academy of Sciences publishes the most Optical properties and cooling technologies in crystalline materials research, followed by University of Chinese Academy of Sciences and Guangxi University.
By volume, 2022–2025
- 1 Chinese Academy of SciencesChina 23 works
- 2 University of Chinese Academy of SciencesChina 12 works
- 3 Guangxi UniversityChina 12 works
- 4 Huazhong University of Science and TechnologyChina 11 works
- 5 Polish Academy of SciencesPoland 10 works
- 6 Jilin UniversityChina 10 works
- 7 Shandong UniversityChina 10 works
- 8 Zhejiang UniversityChina 10 works
- 9 China Jiliang UniversityChina 10 works
- 10 Harbin Institute of TechnologyChina 9 works
Who are the leading researchers in Optical properties and cooling technologies in crystalline materials?
The most-cited researchers publishing on Optical properties and cooling technologies in crystalline materials include Mercouri G. Kanatzidis and Shanhui Fan.
- 1 Mercouri G. Kanatzidis United States 4.3k citations
- 2 Shanhui Fan United States 3.6k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Optical properties and cooling technologies in crystalline materials research done?
The largest centres of Optical properties and cooling technologies in crystalline materials research in 2022–2025 are Beijing (China), Shanghai (China), Wuhan (China) and Nanjing (China). Among places with at least 20 works in it, it is an unusually large share of all research in Changchun and Saint Petersburg.
Largest cities, 2022–2025
Where it is the local speciality
- ChangchunCN · 24.2 works5.3×
- Saint PetersburgRU · 23.9 works5.0×
Location quotient: how much more of its research is in Optical properties and cooling technologies in crystalline materials than the world average.
Where is the best place to study Optical properties and cooling technologies in crystalline materials?
Among universities, judged by research, Jilin University, Guangxi University and Huazhong 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 | Jilin UniversityChina | 53.6 | 29.1% | 6.1× | 10 | +182.7% |
| 2 | Guangxi UniversityChina | 53.4 | 22.3% | 11.1× | 12 | — |
| 3 | Huazhong University of Science and TechnologyChina | 52.3 | 31.0% | 4.1× | 11 | +400.8% |
| 4 | Zhengzhou UniversityChina | 51.2 | 36.0% | 6.1× | 9 | — |
| 5 | University of Chinese Academy of SciencesChina | 51.0 | 27.7% | 4.1× | 12 | +274.6% |
| 6 | China Jiliang UniversityChina | 35.1 | 9.5% | 26.6× | 10 | — |
| 7 | Harbin Institute of TechnologyChina | 33.1 | 20.6% | 3.2× | 9 | +238.8% |
| 8 | Wuhan University of TechnologyChina | 26.6 | 18.5% | 6.4× | 9 | +38.9% |
| 9 | Zhejiang UniversityChina | 25.6 | 18.6% | 2.9× | 10 | — |
| 10 | Shandong UniversityChina | 25.1 | 19.0% | 4.9× | 10 | +34.8% |
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 Optical properties and cooling technologies in crystalline materials research growing?
Output in 2018–2022 was 93% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Optical properties and cooling technologies in crystalline materials.
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.