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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 (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
18,870
World Rank
13
Country Rank
3
University
Ranking Based On Selection:
1
Engineering & Technology / Metallurgical & Materials Engineering
Sensors | Renewable Energy | 3D Printing | Catalysis | Machine Learnin
Sensors | Renewable Energy | 3D Printing | Catalysis | Machine Learnin
H-Index Metrics
-
H-Index85
-
i10 Index315
-
Citation Counts23,869
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* Total H Index Rankings
Rankings
25,299
World Rank
19
Country Rank
6
University
Ranking Based On Selection:
2
Engineering & Technology / Metallurgical & Materials Engineering
Nanomaterials | catalysis | Nanobiotechnolog
Nanomaterials | catalysis | Nanobiotechnolog
H-Index Metrics
-
H-Index78
-
i10 Index187
-
Citation Counts18,366
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* Total H Index Rankings
Rankings
40,883
World Rank
34
Country Rank
14
University
Ranking Based On Selection:
3
Engineering & Technology / Metallurgical & Materials Engineering
Polymers | Composites | Nanotechnology | Higher Educatio
Polymers | Composites | Nanotechnology | Higher Educatio
H-Index Metrics
-
H-Index67
-
i10 Index177
-
Citation Counts11,867
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* Total H Index Rankings
Rankings
50,168
World Rank
42
Country Rank
18
University
Ranking Based On Selection:
4
Engineering & Technology / Metallurgical & Materials Engineering
Polymer blends | composites and nanocomposite
Polymer blends | composites and nanocomposite
H-Index Metrics
-
H-Index63
-
i10 Index200
-
Citation Counts13,046
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* Total H Index Rankings
Rankings
51,337
World Rank
43
Country Rank
19
University
Ranking Based On Selection:
5
Engineering & Technology / Metallurgical & Materials Engineering
Polymer Nanocomposite | Fabrication | Sensors | Shape memory and Energy Storag
Polymer Nanocomposite | Fabrication | Sensors | Shape memory and Energy Storag
H-Index Metrics
-
H-Index62
-
i10 Index147
-
Citation Counts11,742
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* Total H Index Rankings
Rankings
61,789
World Rank
59
Country Rank
27
University
Ranking Based On Selection:
6
Engineering & Technology / Metallurgical & Materials Engineering
Corrosion | Catalysis | Fuel Cells | Water Treatment | Electrocoalescenc
Corrosion | Catalysis | Fuel Cells | Water Treatment | Electrocoalescenc
H-Index Metrics
-
H-Index58
-
i10 Index177
-
Citation Counts11,029
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* Total H Index Rankings
Rankings
73,265
World Rank
74
Country Rank
31
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
75,191
World Rank
78
Country Rank
33
University
Ranking Based On Selection:
8
Engineering & Technology / Metallurgical & Materials Engineering
Material Engineering | Corrosion | Composites | Energy Storage Material
Material Engineering | Corrosion | Composites | Energy Storage Material
H-Index Metrics
-
H-Index54
-
i10 Index166
-
Citation Counts9,734
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* Total H Index Rankings
Rankings
88,123
World Rank
92
Country Rank
43
University
Ranking Based On Selection:
9
Engineering & Technology / Metallurgical & Materials Engineering
Composite Structures | Crushing Behavior | Corrosion and Erosion | Finite Element Simulatio
Composite Structures | Crushing Behavior | Corrosion and Erosion | Finite Element Simulatio
H-Index Metrics
-
H-Index51
-
i10 Index134
-
Citation Counts7,726
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* Total H Index Rankings
Rankings
112,405
World Rank
119
Country Rank
55
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
113,049
World Rank
123
Country Rank
59
University
Ranking Based On Selection:
11
Engineering & Technology / Metallurgical & Materials Engineering
Engineering Design | Engineering Education | Additive Manufacturing | Applied Mechanics | Biomechanic
Engineering Design | Engineering Education | Additive Manufacturing | Applied Mechanics | Biomechanic
H-Index Metrics
-
H-Index46
-
i10 Index100
-
Citation Counts6,764
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* Total H Index Rankings
Rankings
132,457
World Rank
150
Country Rank
70
University
Ranking Based On Selection:
12
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science & Engineering | Photovoltaics | Sensors | STEM Educatio
Materials Science & Engineering | Photovoltaics | Sensors | STEM Educatio
H-Index Metrics
-
H-Index43
-
i10 Index159
-
Citation Counts6,758
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* Total H Index Rankings
Rankings
139,212
World Rank
159
Country Rank
74
University
Ranking Based On Selection:
13
Engineering & Technology / Metallurgical & Materials Engineering
Electrocatalyst | Water-Energy Nexus | Desalination | Membrane Technology | Resource Recover
Electrocatalyst | Water-Energy Nexus | Desalination | Membrane Technology | Resource Recover
H-Index Metrics
-
H-Index42
-
i10 Index102
-
Citation Counts5,129
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* Total H Index Rankings
Rankings
146,423
World Rank
165
Country Rank
77
University
Ranking Based On Selection:
14
Engineering & Technology / Metallurgical & Materials Engineering
Polymer membranes (desalination | oil-water separation | fuel cells) | polymer composites for aerospac
Polymer membranes (desalination | oil-water separation | fuel cells) | polymer composites for aerospac
H-Index Metrics
-
H-Index41
-
i10 Index93
-
Citation Counts4,702
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* Total H Index Rankings
Rankings
191,588
World Rank
218
Country Rank
10
University
Ranking Based On Selection:
15
Engineering & Technology / Metallurgical & Materials Engineering
high performance computing | computational science | materials science | supercomputing | exascale computin
high performance computing | computational science | materials science | supercomputing | exascale computin
H-Index Metrics
-
H-Index37
-
i10 Index58
-
Citation Counts4,598
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* Total H Index Rankings
Rankings
255,235
World Rank
271
Country Rank
133
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
289,445
World Rank
313
Country Rank
150
University
Ranking Based On Selection:
17
Engineering & Technology / Metallurgical & Materials Engineering
Polymer technology | surface modification | plasma treatmen
Polymer technology | surface modification | plasma treatmen
H-Index Metrics
-
H-Index29
-
i10 Index74
-
Citation Counts2,498
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* Total H Index Rankings
Rankings
305,507
World Rank
328
Country Rank
161
University
Ranking Based On Selection:
18
* Total H Index Rankings
Rankings
307,250
World Rank
332
Country Rank
163
University
Ranking Based On Selection:
19
Engineering & Technology / Metallurgical & Materials Engineering
Polymer Science & Technology | Materials characterization | Energy and Environmen
Polymer Science & Technology | Materials characterization | Energy and Environmen
H-Index Metrics
-
H-Index28
-
i10 Index36
-
Citation Counts4,102
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* Total H Index Rankings
Rankings
310,145
World Rank
336
Country Rank
8
University
Ranking Based On Selection:
20
Engineering & Technology / Metallurgical & Materials Engineering
Severe Plastic Deformation | Additive Manufacturing | Extreme Environments | Biomaterials | Composite
Severe Plastic Deformation | Additive Manufacturing | Extreme Environments | Biomaterials | Composite
H-Index Metrics
-
H-Index28
-
i10 Index41
-
Citation Counts2,320
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* Total H Index Rankings
Rankings
323,635
World Rank
350
Country Rank
77
University
Ranking Based On Selection:
21
Engineering & Technology / Metallurgical & Materials Engineering
CCU | e-Fuel | SAF- LCAF | DAC | Pilot-Scale Developmen
CCU | e-Fuel | SAF- LCAF | DAC | Pilot-Scale Developmen
H-Index Metrics
-
H-Index27
-
i10 Index44
-
Citation Counts2,179
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* Total H Index Rankings
Rankings
331,535
World Rank
360
Country Rank
177
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
336,385
World Rank
368
Country Rank
183
University
Ranking Based On Selection:
23
Engineering & Technology / Metallurgical & Materials Engineering
Polymer synthesys | Membrane based separation processes | Ceramic membranes | Adsorbents | Nanocomposite
Polymer synthesys | Membrane based separation processes | Ceramic membranes | Adsorbents | Nanocomposite
H-Index Metrics
-
H-Index27
-
i10 Index53
-
Citation Counts2,648
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* Total H Index Rankings
Rankings
348,341
World Rank
381
Country Rank
87
University
Ranking Based On Selection:
24
Engineering & Technology / Metallurgical & Materials Engineering
Wearable Electronics | Bioelectronics | Flexible Electronics | Wearable Electronics | Sensors IoT and embedded system
Wearable Electronics | Bioelectronics | Flexible Electronics | Wearable Electronics | Sensors IoT and embedded system
H-Index Metrics
-
H-Index26
-
i10 Index50
-
Citation Counts2,090
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* Total H Index Rankings
Rankings
396,420
World Rank
438
Country Rank
213
University
Ranking Based On Selection:
25
Engineering & Technology / Metallurgical & Materials Engineering
Civil Engineering | Sustainable Construction Material
Civil Engineering | Sustainable Construction Material
H-Index Metrics
-
H-Index24
-
i10 Index33
-
Citation Counts1,313
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