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World Scientist and University Rankings 2026
World Engineering & Technology 424.489 Scientists Subject Rankings (Sort by last 5 years H Index)
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 Dec 30, 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 (1.131.699) 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].
* Last 5 Years H-Index Rankings
Rankings
1
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Nanoscience and Nanotechnology
nanogenerator | self-powered sensors/systems | blue energy | piezotronics | piezo-phototronic
nanogenerator | self-powered sensors/systems | blue energy | piezotronics | piezo-phototronic
Last 5 Years H-Index Metrics
-
H-Index252
-
i10 Index2,329
-
Citation Counts284,225
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* Last 5 Years H-Index Rankings
Rankings
2
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology | energy | environment | 2D materials | nanobi
nanotechnology | energy | environment | 2D materials | nanobi
Last 5 Years H-Index Metrics
-
H-Index233
-
i10 Index806
-
Citation Counts180,832
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* Last 5 Years H-Index Rankings
Rankings
6
World Rank
6
Country Rank
1
University
Ranking Based On Selection:
3
Engineering & Technology / Nanoscience and Nanotechnology
Carbon | nanomaterials | energy storage | supercapacitors | MXen
Carbon | nanomaterials | energy storage | supercapacitors | MXen
Last 5 Years H-Index Metrics
-
H-Index218
-
i10 Index806
-
Citation Counts228,104
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* Last 5 Years H-Index Rankings
Rankings
9
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
4
Engineering & Technology / Computer Science
Machine learning | deep learning | artificial intelligenc
Machine learning | deep learning | artificial intelligenc
Last 5 Years H-Index Metrics
-
H-Index214
-
i10 Index874
-
Citation Counts742,271
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* Last 5 Years H-Index Rankings
Rankings
13
World Rank
8
Country Rank
1
University
Ranking Based On Selection:
5
Last 5 Years H-Index Metrics
-
H-Index208
-
i10 Index841
-
Citation Counts296,346
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* Last 5 Years H-Index Rankings
Rankings
17
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
6
Last 5 Years H-Index Metrics
-
H-Index204
-
i10 Index1,439
-
Citation Counts186,510
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* Last 5 Years H-Index Rankings
Rankings
40
World Rank
16
Country Rank
1
University
Ranking Based On Selection:
7
Last 5 Years H-Index Metrics
-
H-Index183
-
i10 Index581
-
Citation Counts191,306
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* Last 5 Years H-Index Rankings
Rankings
49
World Rank
2
Country Rank
1
University
Ranking Based On Selection:
8
Last 5 Years H-Index Metrics
-
H-Index181
-
i10 Index1,052
-
Citation Counts160,262
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* Last 5 Years H-Index Rankings
Rankings
67
World Rank
24
Country Rank
1
University
Ranking Based On Selection:
9
Engineering & Technology / Bioengineering
drug delivery | tissue engineering | biomaterials | nanotechnology | chemistr
drug delivery | tissue engineering | biomaterials | nanotechnology | chemistr
Last 5 Years H-Index Metrics
-
H-Index173
-
i10 Index1,299
-
Citation Counts147,386
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* Last 5 Years H-Index Rankings
Rankings
69
World Rank
8
Country Rank
3
University
Ranking Based On Selection:
10
Engineering & Technology / Metallurgical & Materials Engineering
Lithium-Sulfur Batteries | Lithium Metal Anode | SEI | Electrolyte | Electrocatalysi
Lithium-Sulfur Batteries | Lithium Metal Anode | SEI | Electrolyte | Electrocatalysi
Last 5 Years H-Index Metrics
-
H-Index173
-
i10 Index563
-
Citation Counts101,420
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* Last 5 Years H-Index Rankings
Rankings
77
World Rank
27
Country Rank
1
University
Ranking Based On Selection:
11
Engineering & Technology / Biomedical Engineering
biomedical engineering | materials | medicine | mechanical engineering | electrical engineerin
biomedical engineering | materials | medicine | mechanical engineering | electrical engineerin
Last 5 Years H-Index Metrics
-
H-Index172
-
i10 Index965
-
Citation Counts108,921
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* Last 5 Years H-Index Rankings
Rankings
78
World Rank
28
Country Rank
3
University
Ranking Based On Selection:
12
Last 5 Years H-Index Metrics
-
H-Index172
-
i10 Index613
-
Citation Counts107,521
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* Last 5 Years H-Index Rankings
Rankings
91
World Rank
3
Country Rank
2
University
Ranking Based On Selection:
13
Engineering & Technology / Chemical Engineering
Electrocatalysis | photocatalysis | energy conversion and storage | RNA deliver
Electrocatalysis | photocatalysis | energy conversion and storage | RNA deliver
Last 5 Years H-Index Metrics
-
H-Index169
-
i10 Index509
-
Citation Counts100,783
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* Last 5 Years H-Index Rankings
Rankings
94
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
14
Engineering & Technology / Computer Science
computer vision | machine learning | AI | autonomous cars | cultural heritag
computer vision | machine learning | AI | autonomous cars | cultural heritag
Last 5 Years H-Index Metrics
-
H-Index168
-
i10 Index788
-
Citation Counts157,437
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* Last 5 Years H-Index Rankings
Rankings
114
World Rank
1
Country Rank
1
University
Ranking Based On Selection:
15
Last 5 Years H-Index Metrics
-
H-Index166
-
i10 Index539
-
Citation Counts149,232
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* Last 5 Years H-Index Rankings
Rankings
122
World Rank
4
Country Rank
1
University
Ranking Based On Selection:
16
Engineering & Technology / Computer Science
artificial intelligence | machine learning | computer vision | image processing | data minin
artificial intelligence | machine learning | computer vision | image processing | data minin
Last 5 Years H-Index Metrics
-
H-Index166
-
i10 Index1,167
-
Citation Counts127,190
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* Last 5 Years H-Index Rankings
Rankings
137
World Rank
43
Country Rank
1
University
Ranking Based On Selection:
17
Last 5 Years H-Index Metrics
-
H-Index165
-
i10 Index476
-
Citation Counts87,332
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* Last 5 Years H-Index Rankings
Rankings
166
World Rank
50
Country Rank
3
University
Ranking Based On Selection:
18
Last 5 Years H-Index Metrics
-
H-Index162
-
i10 Index463
-
Citation Counts195,105
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* Last 5 Years H-Index Rankings
Rankings
180
World Rank
4
Country Rank
2
University
Ranking Based On Selection:
19
Last 5 Years H-Index Metrics
-
H-Index162
-
i10 Index901
-
Citation Counts126,517
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* Last 5 Years H-Index Rankings
Rankings
182
World Rank
9
Country Rank
1
University
Ranking Based On Selection:
20
Engineering & Technology / Metallurgical & Materials Engineering
Carbon Nanotubes | Graphene | Energy storage materials | Photocatalytic Semiconductor
Carbon Nanotubes | Graphene | Energy storage materials | Photocatalytic Semiconductor
Last 5 Years H-Index Metrics
-
H-Index161
-
i10 Index807
-
Citation Counts217,653
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* Last 5 Years H-Index Rankings
Rankings
204
World Rank
10
Country Rank
1
University
Ranking Based On Selection:
21
Engineering & Technology / Metallurgical & Materials Engineering
Optics | Laser | Biophotonics | Two-dimensional materials | Black phosphoru
Optics | Laser | Biophotonics | Two-dimensional materials | Black phosphoru
Last 5 Years H-Index Metrics
-
H-Index161
-
i10 Index682
-
Citation Counts83,990
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* Last 5 Years H-Index Rankings
Rankings
205
World Rank
61
Country Rank
1
University
Ranking Based On Selection:
22
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science and Engineering | Nanoscience and Nanotechnology | Energy and Environmental Scienc
Materials Science and Engineering | Nanoscience and Nanotechnology | Energy and Environmental Scienc
Last 5 Years H-Index Metrics
-
H-Index161
-
i10 Index428
-
Citation Counts81,797
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* Last 5 Years H-Index Rankings
Rankings
222
World Rank
3
Country Rank
1
University
Ranking Based On Selection:
23
Engineering & Technology / Electrical & Electronic Engineering
Power Electronics | Renewable Energy | Wind Turbines | Power Systems | Electrical Engineerin
Power Electronics | Renewable Energy | Wind Turbines | Power Systems | Electrical Engineerin
Last 5 Years H-Index Metrics
-
H-Index159
-
i10 Index1,829
-
Citation Counts134,544
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* Last 5 Years H-Index Rankings
Rankings
247
World Rank
12
Country Rank
2
University
Ranking Based On Selection:
24
Engineering & Technology / Electrical & Electronic Engineering
electronics for high energy physics | rad-hard electronic
electronics for high energy physics | rad-hard electronic
Last 5 Years H-Index Metrics
-
H-Index158
-
i10 Index818
-
Citation Counts114,716
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* Last 5 Years H-Index Rankings
Rankings
256
World Rank
3
Country Rank
3
University
Ranking Based On Selection:
25
Last 5 Years H-Index Metrics
-
H-Index157
-
i10 Index1,648
-
Citation Counts126,553
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