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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 08, 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 (1.131.927) 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
235,411
World Rank
75
Country Rank
3
University
Ranking Based On Selection:
1
Engineering & Technology / Nanoscience and Nanotechnology
nanomaterials | biomaterials | electron microscopy | mechanical alloyin
nanomaterials | biomaterials | electron microscopy | mechanical alloyin
H-Index Metrics
-
H-Index33
-
i10 Index111
-
Citation Counts3,901
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* Total H Index Rankings
Rankings
582,704
World Rank
389
Country Rank
15
University
Ranking Based On Selection:
2
Engineering & Technology / Chemical Engineering
Electrochemistry | Materials Science | Porous Materials | Sensing | Organic electronic
Electrochemistry | Materials Science | Porous Materials | Sensing | Organic electronic
H-Index Metrics
-
H-Index18
-
i10 Index20
-
Citation Counts1,193
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* Total H Index Rankings
Rankings
651,652
World Rank
478
Country Rank
19
University
Ranking Based On Selection:
3
Engineering & Technology / Electrical & Electronic Engineering
Electronics | nanotechnology | solar cells | graphene | TCA
Electronics | nanotechnology | solar cells | graphene | TCA
H-Index Metrics
-
H-Index16
-
i10 Index20
-
Citation Counts943
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* Total H Index Rankings
Rankings
651,681
World Rank
479
Country Rank
20
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
711,183
World Rank
578
Country Rank
22
University
Ranking Based On Selection:
5
Engineering & Technology / Environmental Science & Engineering
Sustainability | Environment | Health
Sustainability | Environment | Health
H-Index Metrics
-
H-Index15
-
i10 Index20
-
Citation Counts651
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* Total H Index Rankings
Rankings
753,537
World Rank
635
Country Rank
25
University
Ranking Based On Selection:
6
* Total H Index Rankings
Rankings
779,364
World Rank
681
Country Rank
26
University
Ranking Based On Selection:
7
Engineering & Technology / Metallurgical & Materials Engineering
Polímeros | Materiales | Petróleo | Petroquimic
Polímeros | Materiales | Petróleo | Petroquimic
H-Index Metrics
-
H-Index14
-
i10 Index17
-
Citation Counts752
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* Total H Index Rankings
Rankings
808,484
World Rank
715
Country Rank
27
University
Ranking Based On Selection:
8
Engineering & Technology / Nanoscience and Nanotechnology
Synthesis and characterization of magnetic nanoparticle
Synthesis and characterization of magnetic nanoparticle
H-Index Metrics
-
H-Index13
-
i10 Index18
-
Citation Counts682
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* Total H Index Rankings
Rankings
943,215
World Rank
966
Country Rank
34
University
Ranking Based On Selection:
9
Engineering & Technology / Computer Science
Smart grid networks | Vehicular networks | IoT | Artificial Intelligenc
Smart grid networks | Vehicular networks | IoT | Artificial Intelligenc
H-Index Metrics
-
H-Index11
-
i10 Index11
-
Citation Counts345
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* Total H Index Rankings
Rankings
963,021
World Rank
1,022
Country Rank
35
University
Ranking Based On Selection:
10
Engineering & Technology / Computer Science
Deep Learning. Robotica. Computer Vision. Genetic Algorithm
Deep Learning. Robotica. Computer Vision. Genetic Algorithm
H-Index Metrics
-
H-Index11
-
i10 Index14
-
Citation Counts463
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* Total H Index Rankings
Rankings
1,002,532
World Rank
1,096
Country Rank
39
University
Ranking Based On Selection:
11
* Total H Index Rankings
Rankings
1,005,872
World Rank
1,102
Country Rank
40
University
Ranking Based On Selection:
12
Engineering & Technology / Metallurgical & Materials Engineering
Nanofluidics | Molecular Simulation | Stochastic Equations | Materials Scienc
Nanofluidics | Molecular Simulation | Stochastic Equations | Materials Scienc
H-Index Metrics
-
H-Index10
-
i10 Index11
-
Citation Counts422
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* Total H Index Rankings
Rankings
1,125,288
World Rank
1,319
Country Rank
44
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
1,141,484
World Rank
1,345
Country Rank
45
University
Ranking Based On Selection:
14
Engineering & Technology / Earth Sciences
Geochronology | Volcanology | Geochemistry | Quaternary Scienc
Geochronology | Volcanology | Geochemistry | Quaternary Scienc
H-Index Metrics
-
H-Index9
-
i10 Index9
-
Citation Counts255
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* Total H Index Rankings
Rankings
1,261,296
World Rank
1,606
Country Rank
51
University
Ranking Based On Selection:
15
Engineering & Technology / Metallurgical & Materials Engineering
synthesis of porous materials | artificial photosynthesis | adsorption phenomena | heterogeneous catalysi
synthesis of porous materials | artificial photosynthesis | adsorption phenomena | heterogeneous catalysi
H-Index Metrics
-
H-Index8
-
i10 Index7
-
Citation Counts288
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* Total H Index Rankings
Rankings
1,496,379
World Rank
2,225
Country Rank
59
University
Ranking Based On Selection:
16
* Total H Index Rankings
Rankings
1,795,052
World Rank
3,260
Country Rank
66
University
Ranking Based On Selection:
17
Engineering & Technology / Food Science and Engineering
Food Science and technology | food preservatio
Food Science and technology | food preservatio
H-Index Metrics
-
H-Index5
-
i10 Index1
-
Citation Counts58
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* Total H Index Rankings
Rankings
2,053,012
World Rank
4,197
Country Rank
73
University
Ranking Based On Selection:
18
Engineering & Technology / Metallurgical & Materials Engineering
Corrosion | Electrochemistry | Organic Coatings | Materials Science | MI
Corrosion | Electrochemistry | Organic Coatings | Materials Science | MI
H-Index Metrics
-
H-Index3
-
i10 Index2
-
Citation Counts110
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* Total H Index Rankings
Rankings
2,238,049
World Rank
5,130
Country Rank
80
University
Ranking Based On Selection:
19
Engineering & Technology / Metallurgical & Materials Engineering
Materials engineering | biomaterials | nanomaterials | functionalized material
Materials engineering | biomaterials | nanomaterials | functionalized material
H-Index Metrics
-
H-Index2
-
i10 Index2
-
Citation Counts79
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* Total H Index Rankings
Rankings
2,245,922
World Rank
5,164
Country Rank
83
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
2,277,976
World Rank
5,340
Country Rank
84
University
Ranking Based On Selection:
21
Engineering & Technology / Computer Science
Deep Learning | Machine Learning | Reinforcement Learnin
Deep Learning | Machine Learning | Reinforcement Learnin
H-Index Metrics
-
H-Index2
-
i10 Index1
-
Citation Counts38
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* Total H Index Rankings
Rankings
2,342,079
World Rank
5,737
Country Rank
90
University
Ranking Based On Selection:
22
* Total H Index Rankings
Rankings
2,415,933
World Rank
6,159
Country Rank
93
University
Ranking Based On Selection:
23
* Total H Index Rankings
Rankings
2,451,794
World Rank
6,385
Country Rank
95
University
Ranking Based On Selection:
24
Engineering & Technology / Biomedical Engineering
Bioengineering | Nanotechnology | Single-Molecule Fluorescent Microscopy | Nanotubes in Agricultur
Bioengineering | Nanotechnology | Single-Molecule Fluorescent Microscopy | Nanotubes in Agricultur
H-Index Metrics
-
H-Index1
-
i10 Index1
-
Citation Counts25
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* Total H Index Rankings
Rankings
2,466,988
World Rank
6,500
Country Rank
96
University
Ranking Based On Selection:
25
Engineering & Technology / Metallurgical & Materials Engineering
Material Science | Physics | Scanning Probe Microscopy | Large Scale Facilities | Space Exploratio
Material Science | Physics | Scanning Probe Microscopy | Large Scale Facilities | Space Exploratio
H-Index Metrics
-
H-Index1
-
i10 Index1
-
Citation Counts15
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