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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 04, 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 (0) 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
452
World Rank
2
Country Rank
2
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
2,952
World Rank
14
Country Rank
2
University
Ranking Based On Selection:
2
Engineering & Technology / Metallurgical & Materials Engineering
2D material | 2D electronics | Chemical vapor deposition | Materials by desig
2D material | 2D electronics | Chemical vapor deposition | Materials by desig
H-Index Metrics
-
H-Index139
-
i10 Index419
-
Citation Counts78,173
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* Total H Index Rankings
Rankings
3,508
World Rank
20
Country Rank
5
University
Ranking Based On Selection:
3
* Total H Index Rankings
Rankings
4,111
World Rank
29
Country Rank
14
University
Ranking Based On Selection:
4
Engineering & Technology / Metallurgical & Materials Engineering
Two-Dimensional Materials | Quantum magnetism | Superconductivity | Strongly Correlated Electron Systems
Two-Dimensional Materials | Quantum magnetism | Superconductivity | Strongly Correlated Electron Systems
H-Index Metrics
-
H-Index128
-
i10 Index332
-
Citation Counts116,293
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* Total H Index Rankings
Rankings
4,784
World Rank
34
Country Rank
17
University
Ranking Based On Selection:
5
Engineering & Technology / Metallurgical & Materials Engineering
Solar Energy Conversion | Batteries | Electrocatalysis | Polymers and Nanocrystals | Self-Assembl
Solar Energy Conversion | Batteries | Electrocatalysis | Polymers and Nanocrystals | Self-Assembl
H-Index Metrics
-
H-Index123
-
i10 Index394
-
Citation Counts50,004
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* Total H Index Rankings
Rankings
5,389
World Rank
36
Country Rank
19
University
Ranking Based On Selection:
6
Engineering & Technology / Metallurgical & Materials Engineering
Materials/Polymer/Surface Science and Engineerin
Materials/Polymer/Surface Science and Engineerin
H-Index Metrics
-
H-Index120
-
i10 Index681
-
Citation Counts56,824
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* Total H Index Rankings
Rankings
5,422
World Rank
37
Country Rank
20
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
7,419
World Rank
51
Country Rank
24
University
Ranking Based On Selection:
8
Engineering & Technology / Metallurgical & Materials Engineering
Additive manufacturing | Multi-functional 3D structures &applications | Nanomagnetic
Additive manufacturing | Multi-functional 3D structures &applications | Nanomagnetic
H-Index Metrics
-
H-Index110
-
i10 Index506
-
Citation Counts41,098
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* Total H Index Rankings
Rankings
9,124
World Rank
69
Country Rank
27
University
Ranking Based On Selection:
9
Engineering & Technology / Metallurgical & Materials Engineering
Surface Engineering | Photocatalyst | Electronic Packaging | Mechanical Behavior of Material
Surface Engineering | Photocatalyst | Electronic Packaging | Mechanical Behavior of Material
H-Index Metrics
-
H-Index104
-
i10 Index454
-
Citation Counts40,647
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* Total H Index Rankings
Rankings
9,953
World Rank
72
Country Rank
35
University
Ranking Based On Selection:
10
Engineering & Technology / Metallurgical & Materials Engineering
Functional Materials | Li-ion battery | Supercapacitors | All-solid-state battery | Li/Na ion conductor
Functional Materials | Li-ion battery | Supercapacitors | All-solid-state battery | Li/Na ion conductor
H-Index Metrics
-
H-Index102
-
i10 Index474
-
Citation Counts39,078
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* Total H Index Rankings
Rankings
10,619
World Rank
76
Country Rank
3
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
10,621
World Rank
77
Country Rank
30
University
Ranking Based On Selection:
12
Engineering & Technology / Metallurgical & Materials Engineering
Perovskites | Photovoltaics | Memristor | Neuromorphic | Printed electronic
Perovskites | Photovoltaics | Memristor | Neuromorphic | Printed electronic
H-Index Metrics
-
H-Index100
-
i10 Index290
-
Citation Counts47,390
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* Total H Index Rankings
Rankings
15,687
World Rank
127
Country Rank
63
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
16,371
World Rank
131
Country Rank
67
University
Ranking Based On Selection:
14
Engineering & Technology / Metallurgical & Materials Engineering
composite and nanocomposite | block copolymers | liquid crystalline polymers | POSS hybrids | Polylactic aci
composite and nanocomposite | block copolymers | liquid crystalline polymers | POSS hybrids | Polylactic aci
H-Index Metrics
-
H-Index89
-
i10 Index349
-
Citation Counts25,375
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* Total H Index Rankings
Rankings
17,299
World Rank
137
Country Rank
46
University
Ranking Based On Selection:
15
Engineering & Technology / Metallurgical & Materials Engineering
Solid State Ionics | Li-ion Baterials | Advanced Funcational Material
Solid State Ionics | Li-ion Baterials | Advanced Funcational Material
H-Index Metrics
-
H-Index88
-
i10 Index262
-
Citation Counts27,888
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* Total H Index Rankings
Rankings
18,229
World Rank
140
Country Rank
71
University
Ranking Based On Selection:
16
Engineering & Technology / Metallurgical & Materials Engineering
2D materials | photonics | condensed matter physics | materials synthesi
2D materials | photonics | condensed matter physics | materials synthesi
H-Index Metrics
-
H-Index86
-
i10 Index161
-
Citation Counts65,898
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* Total H Index Rankings
Rankings
18,338
World Rank
141
Country Rank
72
University
Ranking Based On Selection:
17
Engineering & Technology / Metallurgical & Materials Engineering
Additive Manufacturing | 3D Printing | Bioprinting | Smart Manufacturin
Additive Manufacturing | 3D Printing | Bioprinting | Smart Manufacturin
H-Index Metrics
-
H-Index86
-
i10 Index312
-
Citation Counts24,580
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* Total H Index Rankings
Rankings
20,732
World Rank
158
Country Rank
81
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
24,295
World Rank
186
Country Rank
57
University
Ranking Based On Selection:
19
Engineering & Technology / Metallurgical & Materials Engineering
Unconventional-Phase Nanocrystals | TMDs | Biomaterials | Nanozymes | Electrocatalyst
Unconventional-Phase Nanocrystals | TMDs | Biomaterials | Nanozymes | Electrocatalyst
H-Index Metrics
-
H-Index79
-
i10 Index145
-
Citation Counts25,055
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* Total H Index Rankings
Rankings
28,730
World Rank
219
Country Rank
119
University
Ranking Based On Selection:
20
Engineering & Technology / Metallurgical & Materials Engineering
Magnetic Materials | Oxide Materials | Spintronics | Quantum Material
Magnetic Materials | Oxide Materials | Spintronics | Quantum Material
H-Index Metrics
-
H-Index75
-
i10 Index299
-
Citation Counts19,525
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* Total H Index Rankings
Rankings
30,903
World Rank
230
Country Rank
73
University
Ranking Based On Selection:
21
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science | Physics | Chemistr
Materials Science | Physics | Chemistr
H-Index Metrics
-
H-Index74
-
i10 Index187
-
Citation Counts27,216
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* Total H Index Rankings
Rankings
33,355
World Rank
245
Country Rank
130
University
Ranking Based On Selection:
22
Engineering & Technology / Metallurgical & Materials Engineering
electrochemical/photoelectrochemical energy conversion and storag
electrochemical/photoelectrochemical energy conversion and storag
H-Index Metrics
-
H-Index72
-
i10 Index169
-
Citation Counts20,397
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* Total H Index Rankings
Rankings
35,970
World Rank
269
Country Rank
89
University
Ranking Based On Selection:
23
Engineering & Technology / Metallurgical & Materials Engineering
Lipid Bilayer | Plant Inspired Biomaterials | Nanomedicine | Infectious Disease | Antiviral Agen
Lipid Bilayer | Plant Inspired Biomaterials | Nanomedicine | Infectious Disease | Antiviral Agen
H-Index Metrics
-
H-Index70
-
i10 Index275
-
Citation Counts18,348
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* Total H Index Rankings
Rankings
37,865
World Rank
281
Country Rank
96
University
Ranking Based On Selection:
24
Engineering & Technology / Metallurgical & Materials Engineering
Materials | Nanomateials | Ceramics | Functional Ceramics | Energy related material
Materials | Nanomateials | Ceramics | Functional Ceramics | Energy related material
H-Index Metrics
-
H-Index69
-
i10 Index279
-
Citation Counts20,677
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* Total H Index Rankings
Rankings
39,268
World Rank
286
Country Rank
151
University
Ranking Based On Selection:
25
Engineering & Technology / Metallurgical & Materials Engineering
Electron Microscopy | Catalysts for Sustainability | Interfaces in Material
Electron Microscopy | Catalysts for Sustainability | Interfaces in Material
H-Index Metrics
-
H-Index68
-
i10 Index166
-
Citation Counts16,629
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