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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 (1.131.755) 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
2,393
World Rank
9
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Nanoscience and Nanotechnology
NANOMATERIALS | NANOSTRUCTURES | NANOPARTICLES | NANOCRYSTALS | NANOSUPERCONDUCTO
NANOMATERIALS | NANOSTRUCTURES | NANOPARTICLES | NANOCRYSTALS | NANOSUPERCONDUCTO
H-Index Metrics
-
H-Index146
-
i10 Index998
-
Citation Counts70,297
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* Total H Index Rankings
Rankings
2,972
World Rank
10
Country Rank
1
University
Ranking Based On Selection:
2
Engineering & Technology / Mechanical Engineering
Nonlinear Dynamic | Fluid mechanics | AGM Method | HPM AG
Nonlinear Dynamic | Fluid mechanics | AGM Method | HPM AG
H-Index Metrics
-
H-Index139
-
i10 Index921
-
Citation Counts71,304
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* Total H Index Rankings
Rankings
6,456
World Rank
20
Country Rank
1
University
Ranking Based On Selection:
3
Engineering & Technology / Nanoscience and Nanotechnology
Environmental Nanotechnology | Water and wastewater treatmen
Environmental Nanotechnology | Water and wastewater treatmen
H-Index Metrics
-
H-Index114
-
i10 Index237
-
Citation Counts26,441
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* Total H Index Rankings
Rankings
8,454
World Rank
26
Country Rank
1
University
Ranking Based On Selection:
4
Engineering & Technology / Mechanical Engineering
Nanofluids | Phase Change Materials | Artificial Intelligence | Optimization | Renewable Energ
Nanofluids | Phase Change Materials | Artificial Intelligence | Optimization | Renewable Energ
H-Index Metrics
-
H-Index106
-
i10 Index285
-
Citation Counts28,577
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* Total H Index Rankings
Rankings
9,840
World Rank
31
Country Rank
1
University
Ranking Based On Selection:
5
Engineering & Technology / Civil Engineering
Structural optimization | Optimal analysis of structures | Applied graph theory | Force method | Sparse matrices. Structural damag
Structural optimization | Optimal analysis of structures | Applied graph theory | Force method | Sparse matrices. Structural damag
H-Index Metrics
-
H-Index102
-
i10 Index579
-
Citation Counts40,403
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* Total H Index Rankings
Rankings
13,710
World Rank
40
Country Rank
1
University
Ranking Based On Selection:
6
Engineering & Technology / Computer Science
Smart energy systems | machine learning | uncertainty management | decision making | renewable energ
Smart energy systems | machine learning | uncertainty management | decision making | renewable energ
H-Index Metrics
-
H-Index93
-
i10 Index347
-
Citation Counts26,305
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* Total H Index Rankings
Rankings
16,229
World Rank
48
Country Rank
1
University
Ranking Based On Selection:
7
Engineering & Technology / Computer Science
Artificial Intelligence | power system | optimization | Power System Operation and Planning - Electricity Markets - Renewable Ener
Artificial Intelligence | power system | optimization | Power System Operation and Planning - Electricity Markets - Renewable Ener
H-Index Metrics
-
H-Index89
-
i10 Index307
-
Citation Counts25,753
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* Total H Index Rankings
Rankings
16,941
World Rank
51
Country Rank
3
University
Ranking Based On Selection:
8
* Total H Index Rankings
Rankings
18,220
World Rank
57
Country Rank
2
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
18,240
World Rank
58
Country Rank
2
University
Ranking Based On Selection:
10
Engineering & Technology / Electrical & Electronic Engineering
Power Systems | Power System Reliability | Smart Grid | Power System Planning | Power System Operatio
Power Systems | Power System Reliability | Smart Grid | Power System Planning | Power System Operatio
H-Index Metrics
-
H-Index86
-
i10 Index372
-
Citation Counts27,888
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* Total H Index Rankings
Rankings
18,908
World Rank
61
Country Rank
1
University
Ranking Based On Selection:
11
Engineering & Technology / Computer Science
Nanofluid | Cogeneration | Green Buildings | Artificial intelligence methods | Sustainable Energ
Nanofluid | Cogeneration | Green Buildings | Artificial intelligence methods | Sustainable Energ
H-Index Metrics
-
H-Index85
-
i10 Index314
-
Citation Counts23,166
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* Total H Index Rankings
Rankings
18,958
World Rank
62
Country Rank
2
University
Ranking Based On Selection:
12
Engineering & Technology / Electrical & Electronic Engineering
Smart Grid | DGs | Monitoring of Power Transformers | FACTS Devices | HVDC Systems and Power System Transient
Smart Grid | DGs | Monitoring of Power Transformers | FACTS Devices | HVDC Systems and Power System Transient
H-Index Metrics
-
H-Index85
-
i10 Index542
-
Citation Counts29,887
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* Total H Index Rankings
Rankings
19,049
World Rank
64
Country Rank
4
University
Ranking Based On Selection:
13
Engineering & Technology / Mechanical Engineering
Solid Mechanics | Fracture Mechanics | Structural Integrity | Rock Fracture Mechanic
Solid Mechanics | Fracture Mechanics | Structural Integrity | Rock Fracture Mechanic
H-Index Metrics
-
H-Index85
-
i10 Index333
-
Citation Counts23,889
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* Total H Index Rankings
Rankings
19,094
World Rank
65
Country Rank
4
University
Ranking Based On Selection:
14
* Total H Index Rankings
Rankings
19,518
World Rank
66
Country Rank
5
University
Ranking Based On Selection:
15
Engineering & Technology / Chemical Engineering
Electrochemistry | Electrochemical Sensors | Bioelectrochemistry | Biosensors | Nanoelectrochemistr
Electrochemistry | Electrochemical Sensors | Bioelectrochemistry | Biosensors | Nanoelectrochemistr
H-Index Metrics
-
H-Index85
-
i10 Index540
-
Citation Counts28,716
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* Total H Index Rankings
Rankings
19,736
World Rank
70
Country Rank
6
University
Ranking Based On Selection:
16
Engineering & Technology / Metallurgical & Materials Engineering
Hydrogen generation/storage | Sustainable energy systems | Energy storage | Functional material
Hydrogen generation/storage | Sustainable energy systems | Energy storage | Functional material
H-Index Metrics
-
H-Index84
-
i10 Index277
-
Citation Counts19,084
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* Total H Index Rankings
Rankings
20,514
World Rank
73
Country Rank
3
University
Ranking Based On Selection:
17
* Total H Index Rankings
Rankings
20,638
World Rank
75
Country Rank
7
University
Ranking Based On Selection:
18
Engineering & Technology / Computer Science
Artificial Intelligence | Energy | Modelling and Simulatio
Artificial Intelligence | Energy | Modelling and Simulatio
H-Index Metrics
-
H-Index83
-
i10 Index258
-
Citation Counts21,188
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* Total H Index Rankings
Rankings
20,803
World Rank
77
Country Rank
1
University
Ranking Based On Selection:
19
Engineering & Technology / Mechanical Engineering
Computational Mechanics | Numerical Analysis | Continuum Mechanics | Nano- | Micro- and Macro-mechanic
Computational Mechanics | Numerical Analysis | Continuum Mechanics | Nano- | Micro- and Macro-mechanic
H-Index Metrics
-
H-Index83
-
i10 Index605
-
Citation Counts28,928
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* Total H Index Rankings
Rankings
23,270
World Rank
84
Country Rank
8
University
Ranking Based On Selection:
20
Engineering & Technology / Energy Engineering
Solar energy | nanofluid | heat transfer | energy optimizatio
Solar energy | nanofluid | heat transfer | energy optimizatio
H-Index Metrics
-
H-Index80
-
i10 Index220
-
Citation Counts19,396
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* Total H Index Rankings
Rankings
25,625
World Rank
93
Country Rank
3
University
Ranking Based On Selection:
21
Engineering & Technology / Nanoscience and Nanotechnology
Polymer Nanocomposites | Biopolymers | Biosensor
Polymer Nanocomposites | Biopolymers | Biosensor
H-Index Metrics
-
H-Index78
-
i10 Index174
-
Citation Counts11,991
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* Total H Index Rankings
Rankings
25,790
World Rank
94
Country Rank
2
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
26,276
World Rank
95
Country Rank
1
University
Ranking Based On Selection:
23
Engineering & Technology / Earth Sciences
Geosciences | Remote sensing | GIS | Machine learning | Natural Hazar
Geosciences | Remote sensing | GIS | Machine learning | Natural Hazar
H-Index Metrics
-
H-Index77
-
i10 Index128
-
Citation Counts18,477
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* Total H Index Rankings
Rankings
26,329
World Rank
99
Country Rank
1
University
Ranking Based On Selection:
24
Engineering & Technology / Chemical Engineering
Carbon | Nanomaterials | Nanofluids | Gas storage | CO2 Captur
Carbon | Nanomaterials | Nanofluids | Gas storage | CO2 Captur
H-Index Metrics
-
H-Index77
-
i10 Index404
-
Citation Counts25,212
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* Total H Index Rankings
Rankings
27,606
World Rank
103
Country Rank
2
University
Ranking Based On Selection:
25
Engineering & Technology / Mechanical Engineering
Mechanics of Metamaterials | Smart materials and structures | Mechanics of Composite
Mechanics of Metamaterials | Smart materials and structures | Mechanics of Composite
H-Index Metrics
-
H-Index76
-
i10 Index377
-
Citation Counts21,487
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