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 05, 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].
Rankings
Rankings
Rankings
data analysis | statistics | earth sciences | engineering | applied mathematic
H-Index Metrics
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H-Index92
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i10 Index290
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Citation Counts93,019
Rankings
Rankings
Rankings
Rankings
Stem cell | Biomaterials | Stem cell culture | Stem cell purification | Stem cell ifferentiatio
H-Index Metrics
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H-Index66
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i10 Index229
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Citation Counts13,756
Rankings
Rankings
Rankings
Artificial intelligence | Machine learning | Data science | Big data | Learning and educatio
H-Index Metrics
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H-Index56
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i10 Index150
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Citation Counts15,967
Rankings
air pollution | nonthermal plasma | dioxi
H-Index Metrics
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H-Index54
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i10 Index160
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Citation Counts9,844
Rankings
Rankings
cloud chemistry | acid deposition | aerosol and cloud interaction | atmospheric baseline measurement
H-Index Metrics
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H-Index51
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i10 Index153
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Citation Counts8,129
Rankings
Semiconductor device | Optoelectronics | compound semiconducto
H-Index Metrics
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H-Index51
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i10 Index227
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Citation Counts10,865
Rankings
Language learning | Cross-cultural education | Educational technolog
H-Index Metrics
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H-Index50
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i10 Index120
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Citation Counts8,189
Rankings
Human Factors | Individual Differences | Human-Computer Interaction | Learning Technology | Cognitive Style
H-Index Metrics
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H-Index50
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i10 Index137
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Citation Counts9,929
Rankings
remote sensing | atmospheric science | meteorology | GPS | ionospher
H-Index Metrics
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H-Index49
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i10 Index145
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Citation Counts9,312
Rankings
Brain Stimulation | EEG | Cognitive Control | Working Memory | Depressio
H-Index Metrics
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H-Index48
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i10 Index107
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Citation Counts7,608
Rankings
Smart learning | Innovation education | learning technology | ergonomic
H-Index Metrics
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H-Index47
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i10 Index182
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Citation Counts10,402
Rankings
biosensor | thermodynamics | molecular recognition | chromatography | biofoulin
H-Index Metrics
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H-Index47
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i10 Index125
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Citation Counts7,193
Rankings
Rankings
Rankings
graphene | 2D materials | advanced energy storage | biosensor
H-Index Metrics
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H-Index43
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i10 Index97
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Citation Counts10,612
Rankings
Energy | Granular Flow | Powder Technology | Hot-Gas Filtration | Avalanche Dynamic
H-Index Metrics
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H-Index43
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i10 Index132
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Citation Counts5,314
Rankings
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