World Scientist and University Rankings 2025
United States Engineering & Technology 7.969 Scientists Subject Rankings - 2025
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 6 years. As of Jun 19, 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 (1.121.318) 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
485
World Rank
168
Country Rank
3
University
Ranking Based On Selection:
1
Engineering & Technology / Electrical & Electronic Engineering
machine learning | computer science | statistics | artificial intelligence | optimizatio
machine learning | computer science | statistics | artificial intelligence | optimizatio
H-Index Metrics
-
H-Index215
-
i10 Index792
-
Citation Counts329,065
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* Total H Index Rankings
Rankings
851
World Rank
325
Country Rank
3
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
958
World Rank
368
Country Rank
1
University
Ranking Based On Selection:
3
Engineering & Technology / Electrical & Electronic Engineering
Signal Transduction | Protein Kinase | MAP Kinase | JNK | Metabolis
Signal Transduction | Protein Kinase | MAP Kinase | JNK | Metabolis
H-Index Metrics
-
H-Index181
-
i10 Index496
-
Citation Counts155,213
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* Total H Index Rankings
Rankings
991
World Rank
380
Country Rank
11
University
Ranking Based On Selection:
4
Engineering & Technology / Electrical & Electronic Engineering
Nanophotonics | Photonic Crystals | Metamaterials | Plasmonics | Solar Cell
Nanophotonics | Photonic Crystals | Metamaterials | Plasmonics | Solar Cell
H-Index Metrics
-
H-Index178
-
i10 Index722
-
Citation Counts133,478
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* Total H Index Rankings
Rankings
1,308
World Rank
533
Country Rank
6
University
Ranking Based On Selection:
5
Engineering & Technology / Electrical & Electronic Engineering
Photoacoustic tomography | compressed ultrafast photography | time-reversal optics | ultrasound-modulated optical tomograph
Photoacoustic tomography | compressed ultrafast photography | time-reversal optics | ultrasound-modulated optical tomograph
H-Index Metrics
-
H-Index165
-
i10 Index698
-
Citation Counts116,785
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* Total H Index Rankings
Rankings
1,467
World Rank
605
Country Rank
9
University
Ranking Based On Selection:
6
Engineering & Technology / Electrical & Electronic Engineering
2D Materials | Nanophotonics | Nanoelectronic
2D Materials | Nanophotonics | Nanoelectronic
H-Index Metrics
-
H-Index161
-
i10 Index448
-
Citation Counts121,794
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* Total H Index Rankings
Rankings
1,830
World Rank
773
Country Rank
1
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
1,971
World Rank
845
Country Rank
2
University
Ranking Based On Selection:
8
Engineering & Technology / Electrical & Electronic Engineering
Microgrids | Power system operation | Power system planning | Smart Gri
Microgrids | Power system operation | Power system planning | Smart Gri
H-Index Metrics
-
H-Index149
-
i10 Index666
-
Citation Counts77,923
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* Total H Index Rankings
Rankings
2,124
World Rank
916
Country Rank
5
University
Ranking Based On Selection:
9
Engineering & Technology / Electrical & Electronic Engineering
cooperative control systems | nonlinear systems | optimal contro
cooperative control systems | nonlinear systems | optimal contro
H-Index Metrics
-
H-Index146
-
i10 Index756
-
Citation Counts109,603
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* Total H Index Rankings
Rankings
2,141
World Rank
926
Country Rank
8
University
Ranking Based On Selection:
10
Engineering & Technology / Electrical & Electronic Engineering
Optimization | Evolutionary Computation | Multi-objective optimization | Machine Learning | A
Optimization | Evolutionary Computation | Multi-objective optimization | Machine Learning | A
H-Index Metrics
-
H-Index146
-
i10 Index655
-
Citation Counts221,018
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* Total H Index Rankings
Rankings
2,346
World Rank
1,032
Country Rank
3
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
2,348
World Rank
1,034
Country Rank
11
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
2,358
World Rank
1,038
Country Rank
7
University
Ranking Based On Selection:
13
Engineering & Technology / Electrical & Electronic Engineering
Photonics | optoelectronics | optical switching | MEMS | silicon photonic
Photonics | optoelectronics | optical switching | MEMS | silicon photonic
H-Index Metrics
-
H-Index143
-
i10 Index1,047
-
Citation Counts85,002
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* Total H Index Rankings
Rankings
2,429
World Rank
1,077
Country Rank
49
University
Ranking Based On Selection:
14
Engineering & Technology / Electrical & Electronic Engineering
Optimization | Control | Signal Processing | Artificial Intelligence | Financ
Optimization | Control | Signal Processing | Artificial Intelligence | Financ
H-Index Metrics
-
H-Index142
-
i10 Index465
-
Citation Counts271,458
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* Total H Index Rankings
Rankings
2,445
World Rank
1,084
Country Rank
13
University
Ranking Based On Selection:
15
Engineering & Technology / Electrical & Electronic Engineering
automatic control | electrical engineering | chemical engineerin
automatic control | electrical engineering | chemical engineerin
H-Index Metrics
-
H-Index142
-
i10 Index685
-
Citation Counts105,503
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* Total H Index Rankings
Rankings
2,479
World Rank
1,099
Country Rank
8
University
Ranking Based On Selection:
16
Engineering & Technology / Electrical & Electronic Engineering
Robotics | Artificial Intelligence | Computer Visio
Robotics | Artificial Intelligence | Computer Visio
H-Index Metrics
-
H-Index141
-
i10 Index385
-
Citation Counts105,588
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* Total H Index Rankings
Rankings
2,505
World Rank
1,115
Country Rank
7
University
Ranking Based On Selection:
17
Engineering & Technology / Electrical & Electronic Engineering
Wireless Commu5G/6G Wireless Systems | Intelligent Surfaces | Nano-scale and Molecular Communication | Underwater and CubeSats Co
Wireless Commu5G/6G Wireless Systems | Intelligent Surfaces | Nano-scale and Molecular Communication | Underwater and CubeSats Co
H-Index Metrics
-
H-Index141
-
i10 Index487
-
Citation Counts153,711
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* Total H Index Rankings
Rankings
2,563
World Rank
1,138
Country Rank
7
University
Ranking Based On Selection:
18
Engineering & Technology / Electrical & Electronic Engineering
Computational Vision | Visual Neuroscience | Multimedia | Augmented Reality | Visual Perceptio
Computational Vision | Visual Neuroscience | Multimedia | Augmented Reality | Visual Perceptio
H-Index Metrics
-
H-Index140
-
i10 Index612
-
Citation Counts190,817
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* Total H Index Rankings
Rankings
2,622
World Rank
1,172
Country Rank
14
University
Ranking Based On Selection:
19
Engineering & Technology / Electrical & Electronic Engineering
semiconductor devices | perovskite solar cells | X-ray Detection and Imaging | Photodetector
semiconductor devices | perovskite solar cells | X-ray Detection and Imaging | Photodetector
H-Index Metrics
-
H-Index139
-
i10 Index286
-
Citation Counts98,252
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* Total H Index Rankings
Rankings
2,685
World Rank
1,201
Country Rank
23
University
Ranking Based On Selection:
20
Engineering & Technology / Electrical & Electronic Engineering
Multimedia | Computer Vision | Machine Learning | Signal Processing | Information Retrieva
Multimedia | Computer Vision | Machine Learning | Signal Processing | Information Retrieva
H-Index Metrics
-
H-Index139
-
i10 Index583
-
Citation Counts78,571
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* Total H Index Rankings
Rankings
2,827
World Rank
1,269
Country Rank
6
University
Ranking Based On Selection:
21
Engineering & Technology / Electrical & Electronic Engineering
semiconductor optoelectronics | photonic
semiconductor optoelectronics | photonic
H-Index Metrics
-
H-Index137
-
i10 Index1,712
-
Citation Counts99,378
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* Total H Index Rankings
Rankings
2,828
World Rank
1,270
Country Rank
36
University
Ranking Based On Selection:
22
Engineering & Technology / Electrical & Electronic Engineering
Semiconductor Device Physics and Technolog
Semiconductor Device Physics and Technolog
H-Index Metrics
-
H-Index137
-
i10 Index334
-
Citation Counts84,351
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* Total H Index Rankings
Rankings
2,845
World Rank
1,278
Country Rank
57
University
Ranking Based On Selection:
23
Engineering & Technology / Electrical & Electronic Engineering
Electronic and optical properties of materials | nonlinear optics | spectroscopy | photonics | nanoscienc
Electronic and optical properties of materials | nonlinear optics | spectroscopy | photonics | nanoscienc
H-Index Metrics
-
H-Index137
-
i10 Index312
-
Citation Counts118,157
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* Total H Index Rankings
Rankings
2,862
World Rank
1,285
Country Rank
39
University
Ranking Based On Selection:
24
Engineering & Technology / Electrical & Electronic Engineering
Automatic Control | Control | Control Theory | Systems and Control Theory | Systems Theor
Automatic Control | Control | Control Theory | Systems and Control Theory | Systems Theor
H-Index Metrics
-
H-Index137
-
i10 Index598
-
Citation Counts74,205
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* Total H Index Rankings
Rankings
2,897
World Rank
1,312
Country Rank
60
University
Ranking Based On Selection:
25
Engineering & Technology / Electrical & Electronic Engineering
VLSI | Hardware | Graphics and Imaging | Applying Engineering to Biolog
VLSI | Hardware | Graphics and Imaging | Applying Engineering to Biolog
H-Index Metrics
-
H-Index137
-
i10 Index467
-
Citation Counts72,449
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