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University, Subject, Country, Region, World
Oak Ridge National Laboratory 1.182 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Sep 02, 2025, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.122.044) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
1,195
World Rank
485
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Computer Science
quantum computing | quantum machine learning | high-energy physic
quantum computing | quantum machine learning | high-energy physic
H-Index Metrics
-
H-Index170
-
i10 Index780
-
Citation Counts128,889
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* Total H Index Rankings
Rankings
1,442
World Rank
592
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Metallurgical & Materials Engineering
Mesoporous Materials | Ionic Liquid
Mesoporous Materials | Ionic Liquid
H-Index Metrics
-
H-Index162
-
i10 Index974
-
Citation Counts109,460
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* Total H Index Rankings
Rankings
5,053
World Rank
2,299
Country Rank
3
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
8,804
World Rank
3,962
Country Rank
4
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
9,915
World Rank
4,443
Country Rank
5
University
Ranking Based On Selection:
5
Engineering & Technology / Metallurgical & Materials Engineering
Electron Microscopy | Energy Material
Electron Microscopy | Energy Material
H-Index Metrics
-
H-Index100
-
i10 Index267
-
Citation Counts40,429
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* Total H Index Rankings
Rankings
12,085
World Rank
5,347
Country Rank
6
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
12,960
World Rank
5,727
Country Rank
7
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
12,998
World Rank
5,740
Country Rank
8
University
Ranking Based On Selection:
8
Natural Sciences / Chemical Sciences
Chemical physics | computational nanoscience | polymer science | polymer physics | advanced computin
Chemical physics | computational nanoscience | polymer science | polymer physics | advanced computin
H-Index Metrics
-
H-Index93
-
i10 Index445
-
Citation Counts38,556
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* Total H Index Rankings
Rankings
13,225
World Rank
5,831
Country Rank
9
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
13,317
World Rank
5,889
Country Rank
10
University
Ranking Based On Selection:
10
Engineering & Technology / Metallurgical & Materials Engineering
Synthesis and Processing of Novel Materials Grou
Synthesis and Processing of Novel Materials Grou
H-Index Metrics
-
H-Index93
-
i10 Index499
-
Citation Counts34,580
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* Total H Index Rankings
Rankings
14,120
World Rank
6,227
Country Rank
11
University
Ranking Based On Selection:
11
Engineering & Technology / Nanoscience and Nanotechnology
laser ablation | nanostructure growth | in situ diagnostics | carbon nanostructures | PL
laser ablation | nanostructure growth | in situ diagnostics | carbon nanostructures | PL
H-Index Metrics
-
H-Index91
-
i10 Index252
-
Citation Counts26,900
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* Total H Index Rankings
Rankings
14,568
World Rank
6,401
Country Rank
12
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
15,430
World Rank
6,771
Country Rank
13
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
16,011
World Rank
7,012
Country Rank
14
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
16,672
World Rank
7,279
Country Rank
15
University
Ranking Based On Selection:
15
Others
molecular biophysics | drug discovery | Computer-aided drug design | supercomputing | neutron scatterin
molecular biophysics | drug discovery | Computer-aided drug design | supercomputing | neutron scatterin
H-Index Metrics
-
H-Index87
-
i10 Index452
-
Citation Counts76,065
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* Total H Index Rankings
Rankings
17,194
World Rank
7,487
Country Rank
16
University
Ranking Based On Selection:
16
Natural Sciences / Physics
Magnetic Materials | Layered Materials | Crystal Growth | Solid State Chemistry | Condensed Matter Physic
Magnetic Materials | Layered Materials | Crystal Growth | Solid State Chemistry | Condensed Matter Physic
H-Index Metrics
-
H-Index86
-
i10 Index267
-
Citation Counts37,072
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* Total H Index Rankings
Rankings
17,262
World Rank
7,514
Country Rank
17
University
Ranking Based On Selection:
17
Natural Sciences / Physics
atomic manipulation | scanning probe microscopy | electron microscopy | advanced controls | data minin
atomic manipulation | scanning probe microscopy | electron microscopy | advanced controls | data minin
H-Index Metrics
-
H-Index86
-
i10 Index337
-
Citation Counts25,488
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* Total H Index Rankings
Rankings
18,051
World Rank
7,855
Country Rank
18
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
18,088
World Rank
7,874
Country Rank
19
University
Ranking Based On Selection:
19
Economics & Econometrics / Economics
Hydropower | Renewable Energy | Pumped Storage Hydro Technology Innovation | Hydropower Cost and Economics | Transient Analysi
Hydropower | Renewable Energy | Pumped Storage Hydro Technology Innovation | Hydropower Cost and Economics | Transient Analysi
H-Index Metrics
-
H-Index85
-
i10 Index659
-
Citation Counts35,471
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* Total H Index Rankings
Rankings
18,458
World Rank
8,053
Country Rank
20
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
20,349
World Rank
8,759
Country Rank
21
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
20,518
World Rank
8,820
Country Rank
22
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
21,118
World Rank
9,060
Country Rank
23
University
Ranking Based On Selection:
23
Engineering & Technology / Metallurgical & Materials Engineering
Batteries | Energy Storage | Materials Science | Manufacturin
Batteries | Energy Storage | Materials Science | Manufacturin
H-Index Metrics
-
H-Index81
-
i10 Index189
-
Citation Counts23,797
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* Total H Index Rankings
Rankings
21,284
World Rank
9,129
Country Rank
24
University
Ranking Based On Selection:
24
Engineering & Technology / Nanoscience and Nanotechnology
Laser materials interactions | Laser spectroscopy | In situ diagnostics controlled synthesis of nanomaterials ..
Laser materials interactions | Laser spectroscopy | In situ diagnostics controlled synthesis of nanomaterials ..
H-Index Metrics
-
H-Index81
-
i10 Index245
-
Citation Counts22,860
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* Total H Index Rankings
Rankings
22,301
World Rank
9,507
Country Rank
25
University
Ranking Based On Selection:
25
Others
Oak Ridge National Laboratory | Univ of Tennessee-Knoxville | Univ of Colorado-Boulder | Univ of Texas-Austin | IIT-Madra
Oak Ridge National Laboratory | Univ of Tennessee-Knoxville | Univ of Colorado-Boulder | Univ of Texas-Austin | IIT-Madra
H-Index Metrics
-
H-Index80
-
i10 Index397
-
Citation Counts26,404
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Premium Data
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