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 Dec 30, 2025, 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 (1.131.699) 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
nanogenerator | self-powered sensors/systems | blue energy | piezotronics | piezo-phototronic
Last 5 Years H-Index Metrics
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H-Index252
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i10 Index2,329
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Citation Counts284,225
Rankings
Last 5 Years H-Index Metrics
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H-Index140
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i10 Index814
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Citation Counts93,016
Rankings
Nanomaterials | Biomedicine | Imaging | Energy | Catalysi
Last 5 Years H-Index Metrics
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H-Index131
-
i10 Index724
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Citation Counts78,048
Rankings
Batteries | Fuel Cells | Solid State Ionics | Energy Materials | Solid Oxide Fuel Cell
Last 5 Years H-Index Metrics
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H-Index121
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i10 Index547
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Citation Counts50,442
Rankings
Last 5 Years H-Index Metrics
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H-Index98
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i10 Index275
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Citation Counts92,523
Rankings
Last 5 Years H-Index Metrics
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H-Index95
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i10 Index206
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Citation Counts83,408
Rankings
Last 5 Years H-Index Metrics
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H-Index92
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i10 Index177
-
Citation Counts86,082
Rankings
Environmental Engineering | Chemical Engineering | Civil Engineering | Water Energy Nexus | Wate
Last 5 Years H-Index Metrics
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H-Index92
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i10 Index400
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Citation Counts29,568
Rankings
Last 5 Years H-Index Metrics
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H-Index86
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i10 Index211
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Citation Counts26,318
Rankings
Generative AI | AI for Creativity | Computer Vision | Natural Language Processin
Last 5 Years H-Index Metrics
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H-Index83
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i10 Index166
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Citation Counts101,797
Rankings
nanoscience | nanotechnology | nanomedicine | nanocatalysis | nanosensor
Last 5 Years H-Index Metrics
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H-Index83
-
i10 Index328
-
Citation Counts43,902
Rankings
Last 5 Years H-Index Metrics
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H-Index83
-
i10 Index314
-
Citation Counts28,623
Rankings
Last 5 Years H-Index Metrics
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H-Index82
-
i10 Index271
-
Citation Counts21,965
Rankings
Wireless Commu5G/6G Wireless Systems | Intelligent Surfaces | Nano-scale and Molecular Communication | Underwater and CubeSats Co
Last 5 Years H-Index Metrics
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H-Index81
-
i10 Index302
-
Citation Counts35,691
Rankings
Last 5 Years H-Index Metrics
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H-Index81
-
i10 Index118
-
Citation Counts63,359
Rankings
Last 5 Years H-Index Metrics
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H-Index77
-
i10 Index271
-
Citation Counts28,018
Rankings
Last 5 Years H-Index Metrics
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H-Index77
-
i10 Index326
-
Citation Counts21,129
Rankings
Direct Air Capture | Carbon Capture | Catalysis | Adsorption | Materials Chemistr
Last 5 Years H-Index Metrics
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H-Index76
-
i10 Index328
-
Citation Counts22,156
Rankings
Last 5 Years H-Index Metrics
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H-Index75
-
i10 Index203
-
Citation Counts28,973
Rankings
Last 5 Years H-Index Metrics
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H-Index76
-
i10 Index298
-
Citation Counts27,262
Rankings
Chemistry | Materials | Organic Electronics | Surface Modifcation | Perovskit
Last 5 Years H-Index Metrics
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H-Index76
-
i10 Index406
-
Citation Counts26,790
Rankings
Computational Social Science | Social Computing | Mental Health | Languag
Last 5 Years H-Index Metrics
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H-Index73
-
i10 Index201
-
Citation Counts18,819
Rankings
Civil Engineering | Environmental Engineering | Air Pollution | Modelin
Last 5 Years H-Index Metrics
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H-Index69
-
i10 Index301
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Citation Counts19,857
Rankings
Computational Mechanics | Topology Optimization | Origami Engineering | Structures | Fractur
Last 5 Years H-Index Metrics
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H-Index69
-
i10 Index251
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Citation Counts17,117
Rankings
travel behavior | impacts of ICT on transportation | land use/travel interactions | attitudes toward travel | multitaskin
Last 5 Years H-Index Metrics
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H-Index69
-
i10 Index198
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Citation Counts16,847
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