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].
Rankings
Rankings
Rankings
Lithium-Sulfur Batteries | Lithium Metal Anode | SEI | Electrolyte | Electrocatalysi
H-Index Metrics
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H-Index199
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i10 Index629
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Citation Counts138,128
Rankings
Rankings
Rankings
atmospheric chemistry | emissions | satellite remote sensing | air qualit
H-Index Metrics
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H-Index144
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i10 Index400
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Citation Counts80,765
Rankings
Rankings
Rankings
Rankings
apoptosis | pre-mRNA splicing | gamma-secretase | Alzheimer's disease | nuclear pore comple
H-Index Metrics
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H-Index129
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i10 Index233
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Citation Counts69,528
Rankings
Rankings
Artificial Intelligence | Natural Language Processing | Knowledge Graph | Social Computin
H-Index Metrics
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H-Index125
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i10 Index418
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Citation Counts76,343
Rankings
Rankings
Rankings
Disinfection and DBPs | DBP precursors and characterization | nitrosamines | NOM | T&
H-Index Metrics
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H-Index121
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i10 Index1,008
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Citation Counts63,672
Rankings
Rankings
Rankings
Carbon nanotubes | Chemical Engineering | fluidization | catalysis | graphen
H-Index Metrics
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H-Index118
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i10 Index486
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Citation Counts71,432
Rankings
Climate Change Economics | Ecological Economics | Emission Data Accountin
H-Index Metrics
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H-Index117
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i10 Index300
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Citation Counts50,195
Rankings
Natural Language Processing | Artificial Intelligence | Social Computin
H-Index Metrics
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H-Index116
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i10 Index491
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Citation Counts71,011
Rankings
Artificial Intelligence | Social Networks | Data Mining | Machine Learning | Knowledge Grap
H-Index Metrics
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H-Index116
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i10 Index420
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Citation Counts66,017
Rankings
Machine Learning | Pattern Recognition | Computer Vision | Data Mining | Artificial Intelligenc
H-Index Metrics
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H-Index116
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i10 Index586
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Citation Counts53,757
Rankings
Rankings
Rankings
theoretical lanthanide & actinide chemistry | computational catalysis | cluste
H-Index Metrics
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H-Index114
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i10 Index463
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Citation Counts73,329
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