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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 Sep 02, 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 (1.122.044) 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
2,053
World Rank
11
Country Rank
6
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
3,473
World Rank
14
Country Rank
8
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
5,019
World Rank
17
Country Rank
1
University
Ranking Based On Selection:
3
Engineering & Technology / Computer Science
mobile learning | digital game-based learning | artificial intelligence in education | flipped learnin
mobile learning | digital game-based learning | artificial intelligence in education | flipped learnin
H-Index Metrics
-
H-Index122
-
i10 Index454
-
Citation Counts60,195
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* Total H Index Rankings
Rankings
5,401
World Rank
18
Country Rank
2
University
Ranking Based On Selection:
4
Engineering & Technology / Aerospace Engineering
Hydrogen energy | Bioenergy | Clean energy | Thermoelectric generation | CO2 capture and utilizaito
Hydrogen energy | Bioenergy | Clean energy | Thermoelectric generation | CO2 capture and utilizaito
H-Index Metrics
-
H-Index117
-
i10 Index675
-
Citation Counts58,934
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* Total H Index Rankings
Rankings
6,108
World Rank
20
Country Rank
2
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
7,683
World Rank
24
Country Rank
11
University
Ranking Based On Selection:
6
Engineering & Technology / Earth Sciences
Igneous Petrogenesis | Hard-Rock Geochemistry | Asian Magmatism & Tectonic
Igneous Petrogenesis | Hard-Rock Geochemistry | Asian Magmatism & Tectonic
H-Index Metrics
-
H-Index107
-
i10 Index260
-
Citation Counts42,733
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* Total H Index Rankings
Rankings
8,232
World Rank
26
Country Rank
1
University
Ranking Based On Selection:
7
Engineering & Technology / Nanoscience and Nanotechnology
electroanalytical chemistry | bioelectrochemistry | energy nanotechnology | modified electrode
electroanalytical chemistry | bioelectrochemistry | energy nanotechnology | modified electrode
H-Index Metrics
-
H-Index105
-
i10 Index1,101
-
Citation Counts59,927
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* Total H Index Rankings
Rankings
8,268
World Rank
27
Country Rank
1
University
Ranking Based On Selection:
8
Engineering & Technology / Chemical Engineering
Electrochemical Engineering (電化學工程) | Electrodesposition (電鍍技術) | Battery technology (電池技術) | Li-ion Battery (鋰離子電池
Electrochemical Engineering (電化學工程) | Electrodesposition (電鍍技術) | Battery technology (電池技術) | Li-ion Battery (鋰離子電池
H-Index Metrics
-
H-Index105
-
i10 Index903
-
Citation Counts51,533
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* Total H Index Rankings
Rankings
9,153
World Rank
36
Country Rank
1
University
Ranking Based On Selection:
9
* Total H Index Rankings
Rankings
12,220
World Rank
41
Country Rank
2
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
12,545
World Rank
44
Country Rank
1
University
Ranking Based On Selection:
11
Engineering & Technology / Computer Science
fuzzy set and application | decision making | data mining | performance evaluation | project managemen
fuzzy set and application | decision making | data mining | performance evaluation | project managemen
H-Index Metrics
-
H-Index94
-
i10 Index431
-
Citation Counts49,727
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* Total H Index Rankings
Rankings
12,599
World Rank
45
Country Rank
1
University
Ranking Based On Selection:
12
Engineering & Technology / Biomedical Engineering
Separation technology | Membrane technology | Environmental sciences | Nanomaterials | Biomedical engineerin
Separation technology | Membrane technology | Environmental sciences | Nanomaterials | Biomedical engineerin
H-Index Metrics
-
H-Index94
-
i10 Index344
-
Citation Counts38,780
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* Total H Index Rankings
Rankings
13,167
World Rank
46
Country Rank
15
University
Ranking Based On Selection:
13
Engineering & Technology / Nanoscience and Nanotechnology
Nanoscience | Sustainable Energy | Green Chemistry | Sensors | Analytical Chemistr
Nanoscience | Sustainable Energy | Green Chemistry | Sensors | Analytical Chemistr
H-Index Metrics
-
H-Index93
-
i10 Index362
-
Citation Counts32,265
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* Total H Index Rankings
Rankings
13,491
World Rank
48
Country Rank
1
University
Ranking Based On Selection:
14
Engineering & Technology / Electrical & Electronic Engineering
Transparent Electronics | Oxides | MICAtronics | van der Waals epitaxy | high entropy material
Transparent Electronics | Oxides | MICAtronics | van der Waals epitaxy | high entropy material
H-Index Metrics
-
H-Index92
-
i10 Index302
-
Citation Counts37,633
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* Total H Index Rankings
Rankings
13,850
World Rank
50
Country Rank
1
University
Ranking Based On Selection:
15
Engineering & Technology / Electrical & Electronic Engineering
antennas | mobile antennas | microwaves | Electromagnetic
antennas | mobile antennas | microwaves | Electromagnetic
H-Index Metrics
-
H-Index92
-
i10 Index574
-
Citation Counts38,032
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* Total H Index Rankings
Rankings
15,217
World Rank
54
Country Rank
3
University
Ranking Based On Selection:
16
Engineering & Technology / Computer Science
data analysis | statistics | earth sciences | engineering | applied mathematic
data analysis | statistics | earth sciences | engineering | applied mathematic
H-Index Metrics
-
H-Index89
-
i10 Index285
-
Citation Counts90,076
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* Total H Index Rankings
Rankings
15,746
World Rank
55
Country Rank
1
University
Ranking Based On Selection:
17
Engineering & Technology / Electrical & Electronic Engineering
packaging | 3D | microelectronics | interconnect | semiconducto
packaging | 3D | microelectronics | interconnect | semiconducto
H-Index Metrics
-
H-Index88
-
i10 Index865
-
Citation Counts57,045
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* Total H Index Rankings
Rankings
16,782
World Rank
59
Country Rank
5
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
17,077
World Rank
60
Country Rank
17
University
Ranking Based On Selection:
19
Engineering & Technology / Chemical Engineering
mesoporous materials | metal-organic frameworks | drug delivery systems | biomass conversion | membrane separatio
mesoporous materials | metal-organic frameworks | drug delivery systems | biomass conversion | membrane separatio
H-Index Metrics
-
H-Index86
-
i10 Index300
-
Citation Counts29,034
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* Total H Index Rankings
Rankings
18,206
World Rank
66
Country Rank
19
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
19,738
World Rank
76
Country Rank
7
University
Ranking Based On Selection:
21
Engineering & Technology / Electrical & Electronic Engineering
Silicon Photonics | Integrated Photonics Circuits | Photonics MEMS | Nanophotonics | Nonlinear Photonic
Silicon Photonics | Integrated Photonics Circuits | Photonics MEMS | Nanophotonics | Nonlinear Photonic
H-Index Metrics
-
H-Index83
-
i10 Index467
-
Citation Counts23,968
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* Total H Index Rankings
Rankings
20,185
World Rank
78
Country Rank
3
University
Ranking Based On Selection:
22
Engineering & Technology / Metallurgical & Materials Engineering
Polymer | Polybenzoxazine | Mesoporous Materials | Covalent Organic Framework | POS
Polymer | Polybenzoxazine | Mesoporous Materials | Covalent Organic Framework | POS
H-Index Metrics
-
H-Index82
-
i10 Index460
-
Citation Counts26,330
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* Total H Index Rankings
Rankings
20,373
World Rank
80
Country Rank
2
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
20,609
World Rank
83
Country Rank
8
University
Ranking Based On Selection:
24
Engineering & Technology / Electrical & Electronic Engineering
Microfluidics | MEMS | biosensor | Lab on a chip | BioMEM
Microfluidics | MEMS | biosensor | Lab on a chip | BioMEM
H-Index Metrics
-
H-Index82
-
i10 Index439
-
Citation Counts26,764
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* Total H Index Rankings
Rankings
21,562
World Rank
85
Country Rank
9
University
Ranking Based On Selection:
25
Engineering & Technology / Metallurgical & Materials Engineering
materials science and engineering | applied physic
materials science and engineering | applied physic
H-Index Metrics
-
H-Index81
-
i10 Index399
-
Citation Counts28,183
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