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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
18,632
World Rank
71
Country Rank
19
University
Ranking Based On Selection:
1
* Total H Index Rankings
Rankings
19,070
World Rank
75
Country Rank
2
University
Ranking Based On Selection:
2
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-Index85
-
i10 Index468
-
Citation Counts27,650
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* Total H Index Rankings
Rankings
19,717
World Rank
78
Country Rank
1
University
Ranking Based On Selection:
3
Engineering & Technology / Metallurgical & Materials Engineering
Synchrotron x-ray spectroscopy | Electronic structure | Nanostructured materials | Energy-related material
Synchrotron x-ray spectroscopy | Electronic structure | Nanostructured materials | Energy-related material
H-Index Metrics
-
H-Index84
-
i10 Index310
-
Citation Counts30,110
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* Total H Index Rankings
Rankings
23,039
World Rank
97
Country Rank
11
University
Ranking Based On Selection:
4
Engineering & Technology / Metallurgical & Materials Engineering
materials science and engineering | applied physic
materials science and engineering | applied physic
H-Index Metrics
-
H-Index81
-
i10 Index400
-
Citation Counts28,669
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* Total H Index Rankings
Rankings
23,647
World Rank
102
Country Rank
5
University
Ranking Based On Selection:
5
Engineering & Technology / Metallurgical & Materials Engineering
metallic glass | nano-crystalline materials | mechanical properties | TE
metallic glass | nano-crystalline materials | mechanical properties | TE
H-Index Metrics
-
H-Index80
-
i10 Index511
-
Citation Counts31,313
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* Total H Index Rankings
Rankings
24,906
World Rank
105
Country Rank
2
University
Ranking Based On Selection:
6
Engineering & Technology / Metallurgical & Materials Engineering
polymer | solar cells | 2D materials | quantum dot
polymer | solar cells | 2D materials | quantum dot
H-Index Metrics
-
H-Index79
-
i10 Index243
-
Citation Counts24,680
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* Total H Index Rankings
Rankings
28,170
World Rank
123
Country Rank
4
University
Ranking Based On Selection:
7
* Total H Index Rankings
Rankings
28,254
World Rank
126
Country Rank
5
University
Ranking Based On Selection:
8
Engineering & Technology / Metallurgical & Materials Engineering
drug delivery | controlled release | biomaterials | multifunctional nanoparticle
drug delivery | controlled release | biomaterials | multifunctional nanoparticle
H-Index Metrics
-
H-Index76
-
i10 Index268
-
Citation Counts18,724
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* Total H Index Rankings
Rankings
38,840
World Rank
172
Country Rank
2
University
Ranking Based On Selection:
9
Engineering & Technology / Metallurgical & Materials Engineering
MRAM | Magnetic materials | devices | circuits | and integration technolog
MRAM | Magnetic materials | devices | circuits | and integration technolog
H-Index Metrics
-
H-Index69
-
i10 Index162
-
Citation Counts20,207
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* Total H Index Rankings
Rankings
45,490
World Rank
205
Country Rank
43
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
45,722
World Rank
207
Country Rank
2
University
Ranking Based On Selection:
11
Engineering & Technology / Metallurgical & Materials Engineering
Energy storage devices | Graphene related materials | Atomic layer deposition | Electrochemistr
Energy storage devices | Graphene related materials | Atomic layer deposition | Electrochemistr
H-Index Metrics
-
H-Index65
-
i10 Index236
-
Citation Counts15,412
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* Total H Index Rankings
Rankings
53,199
World Rank
244
Country Rank
51
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
61,319
World Rank
289
Country Rank
10
University
Ranking Based On Selection:
13
Engineering & Technology / Metallurgical & Materials Engineering
2-D layered semicondictor | semiconductor optical spectroscopy | transition metal single crysta
2-D layered semicondictor | semiconductor optical spectroscopy | transition metal single crysta
H-Index Metrics
-
H-Index59
-
i10 Index258
-
Citation Counts17,911
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* Total H Index Rankings
Rankings
64,588
World Rank
312
Country Rank
69
University
Ranking Based On Selection:
14
Engineering & Technology / Metallurgical & Materials Engineering
Materials thermodynamics | Microelectronic packagaing | Electromigratio
Materials thermodynamics | Microelectronic packagaing | Electromigratio
H-Index Metrics
-
H-Index58
-
i10 Index167
-
Citation Counts9,958
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* Total H Index Rankings
Rankings
68,154
World Rank
339
Country Rank
3
University
Ranking Based On Selection:
15
Engineering & Technology / Metallurgical & Materials Engineering
Synchrotron x-ray spectroscopy | Nanostructured materials | Energy-related material
Synchrotron x-ray spectroscopy | Nanostructured materials | Energy-related material
H-Index Metrics
-
H-Index56
-
i10 Index141
-
Citation Counts13,594
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* Total H Index Rankings
Rankings
78,924
World Rank
411
Country Rank
2
University
Ranking Based On Selection:
16
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science | Thin Film | Photocatalysis | Semiconducto
Materials Science | Thin Film | Photocatalysis | Semiconducto
H-Index Metrics
-
H-Index54
-
i10 Index108
-
Citation Counts9,021
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* Total H Index Rankings
Rankings
78,927
World Rank
412
Country Rank
3
University
Ranking Based On Selection:
17
Engineering & Technology / Metallurgical & Materials Engineering
Materials Science | Thin Film | Photocatalysis | Semiconducto
Materials Science | Thin Film | Photocatalysis | Semiconducto
H-Index Metrics
-
H-Index54
-
i10 Index104
-
Citation Counts8,828
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* Total H Index Rankings
Rankings
79,418
World Rank
418
Country Rank
15
University
Ranking Based On Selection:
18
Engineering & Technology / Metallurgical & Materials Engineering
Defect chemistry and Non-stoichiometric Compound | Catalysis | Functional Materials | Semiconducto
Defect chemistry and Non-stoichiometric Compound | Catalysis | Functional Materials | Semiconducto
H-Index Metrics
-
H-Index53
-
i10 Index249
-
Citation Counts10,416
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* Total H Index Rankings
Rankings
82,252
World Rank
436
Country Rank
31
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
84,459
World Rank
455
Country Rank
16
University
Ranking Based On Selection:
20
Engineering & Technology / Metallurgical & Materials Engineering
2D Semiconductors | Nanoscience | Crystal growth | Optical modulation spectroscop
2D Semiconductors | Nanoscience | Crystal growth | Optical modulation spectroscop
H-Index Metrics
-
H-Index52
-
i10 Index162
-
Citation Counts9,630
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* Total H Index Rankings
Rankings
90,431
World Rank
492
Country Rank
1
University
Ranking Based On Selection:
21
Engineering & Technology / Metallurgical & Materials Engineering
Optoelectronic Materials & Devices | Thin Film Technolog
Optoelectronic Materials & Devices | Thin Film Technolog
H-Index Metrics
-
H-Index51
-
i10 Index277
-
Citation Counts11,550
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* Total H Index Rankings
Rankings
97,300
World Rank
532
Country Rank
32
University
Ranking Based On Selection:
22
Engineering & Technology / Metallurgical & Materials Engineering
Electronic Materials | Semiconductor Physic
Electronic Materials | Semiconductor Physic
H-Index Metrics
-
H-Index49
-
i10 Index83
-
Citation Counts17,104
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* Total H Index Rankings
Rankings
102,265
World Rank
562
Country Rank
106
University
Ranking Based On Selection:
23
Engineering & Technology / Metallurgical & Materials Engineering
fermentation | biomaterials | bioprocessing | bioreacto
fermentation | biomaterials | bioprocessing | bioreacto
H-Index Metrics
-
H-Index48
-
i10 Index127
-
Citation Counts8,233
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* Total H Index Rankings
Rankings
115,784
World Rank
664
Country Rank
1
University
Ranking Based On Selection:
24
* Total H Index Rankings
Rankings
118,568
World Rank
679
Country Rank
8
University
Ranking Based On Selection:
25
Engineering & Technology / Metallurgical & Materials Engineering
Material Science | Water splitting | SERS | Electrochemical sensor | Electrochemistr
Material Science | Water splitting | SERS | Electrochemical sensor | Electrochemistr
H-Index Metrics
-
H-Index45
-
i10 Index103
-
Citation Counts4,889
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