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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 Jan 01, 2026, 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 (1.131.752) 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
734
World Rank
3
Country Rank
2
University
Ranking Based On Selection:
1
Engineering & Technology / Nanoscience and Nanotechnology
Phase engineering of nanomaterials (PEN) and controlled epitaxial growth of heterostructure
Phase engineering of nanomaterials (PEN) and controlled epitaxial growth of heterostructure
H-Index Metrics
-
H-Index201
-
i10 Index574
-
Citation Counts165,735
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* Total H Index Rankings
Rankings
1,325
World Rank
7
Country Rank
4
University
Ranking Based On Selection:
2
Engineering & Technology / Electrical & Electronic Engineering
Organic Photonics | Organic Electronics | Energy | Self-Assembl
Organic Photonics | Organic Electronics | Energy | Self-Assembl
H-Index Metrics
-
H-Index169
-
i10 Index854
-
Citation Counts107,625
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* Total H Index Rankings
Rankings
1,670
World Rank
9
Country Rank
5
University
Ranking Based On Selection:
3
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science and Engineering | Plasma Science | Surface Science | Biomaterial
Materials Science and Engineering | Plasma Science | Surface Science | Biomaterial
H-Index Metrics
-
H-Index159
-
i10 Index1,862
-
Citation Counts138,589
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* Total H Index Rankings
Rankings
1,754
World Rank
12
Country Rank
2
University
Ranking Based On Selection:
4
Engineering & Technology / Computer Science
Computer Vision | Image Processing | Pattern Recognition | Machine Learnin
Computer Vision | Image Processing | Pattern Recognition | Machine Learnin
H-Index Metrics
-
H-Index157
-
i10 Index470
-
Citation Counts123,575
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* Total H Index Rankings
Rankings
1,857
World Rank
14
Country Rank
7
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
1,897
World Rank
15
Country Rank
2
University
Ranking Based On Selection:
6
Engineering & Technology / Electrical & Electronic Engineering
Computer vision | pattern recognition | machine learnin
Computer vision | pattern recognition | machine learnin
H-Index Metrics
-
H-Index154
-
i10 Index268
-
Citation Counts143,335
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* Total H Index Rankings
Rankings
1,942
World Rank
16
Country Rank
3
University
Ranking Based On Selection:
7
Engineering & Technology / Civil Engineering
Concrete technology | waste management | eco-friendly materials | construction waste managemen
Concrete technology | waste management | eco-friendly materials | construction waste managemen
H-Index Metrics
-
H-Index153
-
i10 Index638
-
Citation Counts80,892
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* Total H Index Rankings
Rankings
2,201
World Rank
18
Country Rank
8
University
Ranking Based On Selection:
8
Engineering & Technology / Metallurgical & Materials Engineering
Materials | organic electronics | photovoltaic
Materials | organic electronics | photovoltaic
H-Index Metrics
-
H-Index149
-
i10 Index978
-
Citation Counts91,268
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* Total H Index Rankings
Rankings
2,256
World Rank
19
Country Rank
3
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
2,259
World Rank
20
Country Rank
9
University
Ranking Based On Selection:
10
Engineering & Technology / Electrical & Electronic Engineering
Organic electronics devices and nanomaterials for energy | environmental and biomedical application
Organic electronics devices and nanomaterials for energy | environmental and biomedical application
H-Index Metrics
-
H-Index148
-
i10 Index928
-
Citation Counts89,110
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* Total H Index Rankings
Rankings
2,312
World Rank
22
Country Rank
2
University
Ranking Based On Selection:
11
Engineering & Technology / Computer Science
Artificial Intelligence | Transfer Learning | Federated Learning | AI Plannin
Artificial Intelligence | Transfer Learning | Federated Learning | AI Plannin
H-Index Metrics
-
H-Index147
-
i10 Index675
-
Citation Counts157,234
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* Total H Index Rankings
Rankings
2,461
World Rank
23
Country Rank
3
University
Ranking Based On Selection:
12
Engineering & Technology / Computer Science
Clusters-Endohedral metallofullerenes-Nanomaterials-Energy Conversion and Storag
Clusters-Endohedral metallofullerenes-Nanomaterials-Energy Conversion and Storag
H-Index Metrics
-
H-Index145
-
i10 Index637
-
Citation Counts76,576
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* Total H Index Rankings
Rankings
3,332
World Rank
32
Country Rank
13
University
Ranking Based On Selection:
13
Engineering & Technology / Metallurgical & Materials Engineering
Heterostructured materials | HDI hardening | Back stress | Nanomaterials | Deformation physic
Heterostructured materials | HDI hardening | Back stress | Nanomaterials | Deformation physic
H-Index Metrics
-
H-Index135
-
i10 Index495
-
Citation Counts73,926
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* Total H Index Rankings
Rankings
3,830
World Rank
35
Country Rank
14
University
Ranking Based On Selection:
14
Engineering & Technology / Electrical & Electronic Engineering
organic semiconducting materials | inorganic semiconductors | inorganic-organic hybrid material
organic semiconducting materials | inorganic semiconductors | inorganic-organic hybrid material
H-Index Metrics
-
H-Index130
-
i10 Index559
-
Citation Counts58,289
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* Total H Index Rankings
Rankings
3,843
World Rank
36
Country Rank
4
University
Ranking Based On Selection:
15
Engineering & Technology / Mechanical Engineering
Composites | Nanocomposites | Energy storage materials | Graphene | 2D material
Composites | Nanocomposites | Energy storage materials | Graphene | 2D material
H-Index Metrics
-
H-Index130
-
i10 Index471
-
Citation Counts60,793
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* Total H Index Rankings
Rankings
4,183
World Rank
39
Country Rank
7
University
Ranking Based On Selection:
16
Engineering & Technology / Environmental Science & Engineering
Environmental engineering | Membrane technology | Desalination | Water reus
Environmental engineering | Membrane technology | Desalination | Water reus
H-Index Metrics
-
H-Index127
-
i10 Index380
-
Citation Counts52,516
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* Total H Index Rankings
Rankings
4,203
World Rank
40
Country Rank
16
University
Ranking Based On Selection:
17
Engineering & Technology / Chemical Engineering
Thermodynamics | Water-Ice | Surfaces & Interfaces | Computational Nanoscience | Computational Materials Scienc
Thermodynamics | Water-Ice | Surfaces & Interfaces | Computational Nanoscience | Computational Materials Scienc
H-Index Metrics
-
H-Index127
-
i10 Index628
-
Citation Counts65,166
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* Total H Index Rankings
Rankings
4,431
World Rank
41
Country Rank
10
University
Ranking Based On Selection:
18
Engineering & Technology / Computer Science
Computer Vision | Multimodal Learning | Medical Image Analysi
Computer Vision | Multimodal Learning | Medical Image Analysi
H-Index Metrics
-
H-Index125
-
i10 Index301
-
Citation Counts70,204
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* Total H Index Rankings
Rankings
4,485
World Rank
42
Country Rank
11
University
Ranking Based On Selection:
19
Engineering & Technology / Computer Science
software engineering | software reliability | fault tolerance | machine learning | distributed system
software engineering | software reliability | fault tolerance | machine learning | distributed system
H-Index Metrics
-
H-Index125
-
i10 Index617
-
Citation Counts66,069
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* Total H Index Rankings
Rankings
4,532
World Rank
44
Country Rank
17
University
Ranking Based On Selection:
20
Engineering & Technology / Mechanical Engineering
Sustainability | Functional Materials | Concrete Research | 3D Concrete Printing | Multiscale Modelin
Sustainability | Functional Materials | Concrete Research | 3D Concrete Printing | Multiscale Modelin
H-Index Metrics
-
H-Index125
-
i10 Index790
-
Citation Counts61,663
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* Total H Index Rankings
Rankings
4,605
World Rank
45
Country Rank
13
University
Ranking Based On Selection:
21
Engineering & Technology / Computer Science
Artificial Intelligence | Computer Vision | Deep Learnin
Artificial Intelligence | Computer Vision | Deep Learnin
H-Index Metrics
-
H-Index124
-
i10 Index286
-
Citation Counts104,374
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* Total H Index Rankings
Rankings
4,621
World Rank
46
Country Rank
4
University
Ranking Based On Selection:
22
Engineering & Technology / Civil Engineering
Construction informatics | construction engineering and management | construction management | construction health and safet
Construction informatics | construction engineering and management | construction management | construction health and safet
H-Index Metrics
-
H-Index124
-
i10 Index575
-
Citation Counts52,321
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* Total H Index Rankings
Rankings
4,694
World Rank
51
Country Rank
17
University
Ranking Based On Selection:
23
Engineering & Technology / Biomedical Engineering
TGF-beta/Smad signaling in tissue fibrosis and cancer microenvironment
TGF-beta/Smad signaling in tissue fibrosis and cancer microenvironment
H-Index Metrics
-
H-Index124
-
i10 Index408
-
Citation Counts56,148
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* Total H Index Rankings
Rankings
4,768
World Rank
53
Country Rank
19
University
Ranking Based On Selection:
24
Engineering & Technology / Computer Science
Medical Image Analysis | Surgical Simulation | Visualization | Graphics | Virtual Realit
Medical Image Analysis | Surgical Simulation | Visualization | Graphics | Virtual Realit
H-Index Metrics
-
H-Index123
-
i10 Index544
-
Citation Counts72,147
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* Total H Index Rankings
Rankings
4,915
World Rank
56
Country Rank
9
University
Ranking Based On Selection:
25
Engineering & Technology / Environmental Science & Engineering
Environmental Biotechnology | Environmental Microbiology | Environmental Microbiome | Sewage Surveillanc
Environmental Biotechnology | Environmental Microbiology | Environmental Microbiome | Sewage Surveillanc
H-Index Metrics
-
H-Index122
-
i10 Index350
-
Citation Counts51,256
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