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 01, 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 (1.131.752) 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
Ceramics | Hydrogen Fuel Cell | Solar Cell | Energy Materials | Nanomaterial
H-Index Metrics
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H-Index66
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i10 Index213
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Citation Counts14,902
Rankings
Biomedical Engineering | Machine Learning | Optical Sensor | Optical Communication | Bioinformatic
H-Index Metrics
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H-Index60
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i10 Index246
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Citation Counts13,064
Rankings
Operations Management | Supply Chain Management | Expert Systems with Application | Sustainabl
H-Index Metrics
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H-Index59
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i10 Index137
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Citation Counts11,160
Rankings
Climate Change | Blue and Green Economy | Env Science | Sustainable Develpoment | Oceanograph
H-Index Metrics
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H-Index57
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i10 Index145
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Citation Counts13,179
Rankings
Rankings
Machine Learning | WSN | e-Healthcare and Data Analytics | Braininformatic
H-Index Metrics
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H-Index54
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i10 Index172
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Citation Counts10,917
Rankings
Functional materials | Materials Characterization | Thin Films Solar Cel
H-Index Metrics
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H-Index54
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i10 Index173
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Citation Counts10,500
Rankings
Environmental pollution | Toxicology | Climate Chang
H-Index Metrics
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H-Index53
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i10 Index152
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Citation Counts11,642
Rankings
Rankings
Cybersecurity | AI & Machine Learning | Digital Twin | Data-Driven | SME
H-Index Metrics
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H-Index51
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i10 Index116
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Citation Counts22,781
Rankings
Global Health | population | climate change | urbanizatio
H-Index Metrics
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H-Index51
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i10 Index108
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Citation Counts7,887
Rankings
Artificial Intelligence | Expert Systems | Soft Computing | Pervasive Computing | GI
H-Index Metrics
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H-Index49
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i10 Index166
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Citation Counts7,564
Rankings
Waste management | Surface water quality modelling | Microplastics | Photocatalysis | Chemical Eng
H-Index Metrics
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H-Index49
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i10 Index79
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Citation Counts7,217
Rankings
Rankings
Advanced Materials Science | Tribology | Energy Storage Applications | Coating and Coating Technology | Nanotechnolog
H-Index Metrics
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H-Index44
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i10 Index128
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Citation Counts7,593
Rankings
Rankings
Climate Change | Hydroclimatic Extremes | Water Resources | Geoinformatics | Artificial Intelligenc
H-Index Metrics
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H-Index43
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i10 Index103
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Citation Counts30,785
Rankings
Renewable Energy | Thermal Energy | Nanofluid | Biofuel | Energy Managemen
H-Index Metrics
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H-Index43
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i10 Index60
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Citation Counts7,898
Rankings
electron transport in nanoscale device
H-Index Metrics
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H-Index43
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i10 Index117
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Citation Counts5,543
Rankings
Antenna technology | RF and Microwave | Small Satellite | Microwave Imaging | Metamateria
H-Index Metrics
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H-Index42
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i10 Index128
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Citation Counts5,383
Rankings
Algorithms | Bioinformatics and Computational Biology | Stringology | metaheuristic
H-Index Metrics
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H-Index42
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i10 Index120
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Citation Counts9,372
Rankings
Semiconductor Materials and Devices | Computational Materials | DFT | Energy Harvesting | Solar cel
H-Index Metrics
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H-Index41
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i10 Index95
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Citation Counts5,581
Rankings
Additive Manufacturing | Biomaterials | Biomechanics | Nanotechnology | Tissue Engineerin
H-Index Metrics
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H-Index41
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i10 Index116
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Citation Counts7,264
Rankings
Materials Engineering | Magnetic Materials | Nanomaterials synthesis | Nuclear Reactor Materials | Nanoceramic
H-Index Metrics
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H-Index41
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i10 Index108
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Citation Counts5,153
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