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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 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].
* Total H Index Rankings
Rankings
2,563
World Rank
1,099
Country Rank
1
University
Ranking Based On Selection:
1
Engineering & Technology / Bioengineering
Photonics | Nanobioengineering | Nanoscience | Nanochemistry | Biophotonic
Photonics | Nanobioengineering | Nanoscience | Nanochemistry | Biophotonic
H-Index Metrics
-
H-Index144
-
i10 Index794
-
Citation Counts93,407
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* Total H Index Rankings
Rankings
2,946
World Rank
1,292
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Chemical Engineering
Electrochemistry | Catalysis/Electrocatalysis | Fuel Cells | Electrolysis | Ammonia Energ
Electrochemistry | Catalysis/Electrocatalysis | Fuel Cells | Electrolysis | Ammonia Energ
H-Index Metrics
-
H-Index139
-
i10 Index346
-
Citation Counts66,221
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* Total H Index Rankings
Rankings
5,516
World Rank
2,442
Country Rank
4
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
10,095
World Rank
4,434
Country Rank
9
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
13,554
World Rank
5,858
Country Rank
11
University
Ranking Based On Selection:
5
Engineering & Technology / Metallurgical & Materials Engineering
Materials | physics | engineering | chemistr
Materials | physics | engineering | chemistr
H-Index Metrics
-
H-Index94
-
i10 Index453
-
Citation Counts35,097
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* Total H Index Rankings
Rankings
15,440
World Rank
6,648
Country Rank
15
University
Ranking Based On Selection:
6
Engineering & Technology / Computer Science
computer vision | video analytics | action and gesture analysis | multimedia | pattern recognitio
computer vision | video analytics | action and gesture analysis | multimedia | pattern recognitio
H-Index Metrics
-
H-Index90
-
i10 Index318
-
Citation Counts32,467
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* Total H Index Rankings
Rankings
17,657
World Rank
7,537
Country Rank
18
University
Ranking Based On Selection:
7
Engineering & Technology / Nanoscience and Nanotechnology
nanomaterials | chemical kinetics | reaction engineering | nanomedicine | aerosol science and technolog
nanomaterials | chemical kinetics | reaction engineering | nanomedicine | aerosol science and technolog
H-Index Metrics
-
H-Index87
-
i10 Index305
-
Citation Counts29,013
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* Total H Index Rankings
Rankings
17,700
World Rank
7,554
Country Rank
19
University
Ranking Based On Selection:
8
Engineering & Technology / Earth Sciences
Earthquake Engineering | Structural Dynamics | Seismic Protective Systems | Seismic Isolation | Damping System
Earthquake Engineering | Structural Dynamics | Seismic Protective Systems | Seismic Isolation | Damping System
H-Index Metrics
-
H-Index87
-
i10 Index237
-
Citation Counts29,138
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* Total H Index Rankings
Rankings
17,883
World Rank
7,636
Country Rank
20
University
Ranking Based On Selection:
9
Engineering & Technology / Civil Engineering
Structural Dynamics | Earthquake Engineering | Computational Structural Engineering | Seismic Resilience | Structural Contro
Structural Dynamics | Earthquake Engineering | Computational Structural Engineering | Seismic Resilience | Structural Contro
H-Index Metrics
-
H-Index87
-
i10 Index279
-
Citation Counts35,943
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* Total H Index Rankings
Rankings
18,592
World Rank
7,913
Country Rank
21
University
Ranking Based On Selection:
10
Engineering & Technology / Chemical Engineering
polymers | surfactants | colloids and interfaces | complex fluids and soft matter | biomaterials and nanomaterial
polymers | surfactants | colloids and interfaces | complex fluids and soft matter | biomaterials and nanomaterial
H-Index Metrics
-
H-Index86
-
i10 Index183
-
Citation Counts27,174
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* Total H Index Rankings
Rankings
21,237
World Rank
8,967
Country Rank
23
University
Ranking Based On Selection:
11
Engineering & Technology / Computer Science
network protocols | network architectures | optical networks | connected vehicles | resilient system
network protocols | network architectures | optical networks | connected vehicles | resilient system
H-Index Metrics
-
H-Index83
-
i10 Index369
-
Citation Counts29,069
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* Total H Index Rankings
Rankings
22,566
World Rank
9,434
Country Rank
25
University
Ranking Based On Selection:
12
Engineering & Technology / Computer Science
Information Systems | Information Assurance | Cybersecurity | disaster management | privac
Information Systems | Information Assurance | Cybersecurity | disaster management | privac
H-Index Metrics
-
H-Index81
-
i10 Index243
-
Citation Counts36,666
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* Total H Index Rankings
Rankings
27,824
World Rank
11,470
Country Rank
29
University
Ranking Based On Selection:
13
Engineering & Technology / Earth Sciences
Earthquake engineering | seismic protective systems | seismic isolation | blast and impact engineerin
Earthquake engineering | seismic protective systems | seismic isolation | blast and impact engineerin
H-Index Metrics
-
H-Index76
-
i10 Index238
-
Citation Counts22,242
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* Total H Index Rankings
Rankings
28,112
World Rank
11,580
Country Rank
30
University
Ranking Based On Selection:
14
Engineering & Technology / Computer Science
Artificial Intelligence | Document Analysis | Computer Vision | Media Forensics | Language Technologie
Artificial Intelligence | Document Analysis | Computer Vision | Media Forensics | Language Technologie
H-Index Metrics
-
H-Index76
-
i10 Index274
-
Citation Counts26,275
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* Total H Index Rankings
Rankings
33,883
World Rank
13,725
Country Rank
37
University
Ranking Based On Selection:
15
Engineering & Technology / Computer Science
Machine Learning | Pattern Recognition | Biometrics | Language Technologie
Machine Learning | Pattern Recognition | Biometrics | Language Technologie
H-Index Metrics
-
H-Index72
-
i10 Index293
-
Citation Counts18,546
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* Total H Index Rankings
Rankings
33,944
World Rank
13,756
Country Rank
38
University
Ranking Based On Selection:
16
Engineering & Technology / Computer Science
Artificial Intelligence | Machine Learning | Pattern Recognition | Computational Forensic
Artificial Intelligence | Machine Learning | Pattern Recognition | Computational Forensic
H-Index Metrics
-
H-Index72
-
i10 Index263
-
Citation Counts24,518
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* Total H Index Rankings
Rankings
35,719
World Rank
14,376
Country Rank
39
University
Ranking Based On Selection:
17
Engineering & Technology / Computer Science
Multimedia Forensics | DeepFakes | Information Forensics and Security | Digital Forensic
Multimedia Forensics | DeepFakes | Information Forensics and Security | Digital Forensic
H-Index Metrics
-
H-Index70
-
i10 Index187
-
Citation Counts26,381
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* Total H Index Rankings
Rankings
35,762
World Rank
14,382
Country Rank
40
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
36,105
World Rank
14,493
Country Rank
41
University
Ranking Based On Selection:
19
Engineering & Technology / Civil Engineering
Earthquake Engineering | Structural Engineering | Bridge Engineering | Steel Structures | Blast Engineerin
Earthquake Engineering | Structural Engineering | Bridge Engineering | Steel Structures | Blast Engineerin
H-Index Metrics
-
H-Index70
-
i10 Index231
-
Citation Counts29,625
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* Total H Index Rankings
Rankings
57,524
World Rank
21,899
Country Rank
58
University
Ranking Based On Selection:
20
Engineering & Technology / Nanoscience and Nanotechnology
magnetic materials | nanomagnetism | magnetic nanoparticles | chalcogenide perovskite
magnetic materials | nanomagnetism | magnetic nanoparticles | chalcogenide perovskite
H-Index Metrics
-
H-Index60
-
i10 Index132
-
Citation Counts25,525
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* Total H Index Rankings
Rankings
60,770
World Rank
23,005
Country Rank
64
University
Ranking Based On Selection:
21
* Total H Index Rankings
Rankings
61,872
World Rank
23,403
Country Rank
65
University
Ranking Based On Selection:
22
Engineering & Technology / Computer Science
Internet of Things | Cyber-Physical Systems | Mobile Computing | Wireless Network
Internet of Things | Cyber-Physical Systems | Mobile Computing | Wireless Network
H-Index Metrics
-
H-Index58
-
i10 Index126
-
Citation Counts11,916
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* Total H Index Rankings
Rankings
68,294
World Rank
25,526
Country Rank
75
University
Ranking Based On Selection:
23
Engineering & Technology / Chemical Engineering
Membranes | polymers | carbon capture | gas separation | water purificatio
Membranes | polymers | carbon capture | gas separation | water purificatio
H-Index Metrics
-
H-Index56
-
i10 Index141
-
Citation Counts13,932
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* Total H Index Rankings
Rankings
70,106
World Rank
26,062
Country Rank
78
University
Ranking Based On Selection:
24
Engineering & Technology / Nanoscience and Nanotechnology
nanotechnology | physics | materials science | 2D materials | carbon nanotube
nanotechnology | physics | materials science | 2D materials | carbon nanotube
H-Index Metrics
-
H-Index56
-
i10 Index97
-
Citation Counts18,977
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Premium Data
* Total H Index Rankings
Rankings
71,219
World Rank
26,485
Country Rank
80
University
Ranking Based On Selection:
25
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