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 06, 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 (1.131.911) 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
Power Electronics | Power Quality | Electric Machines | Solar Power | Electric Vehicle
H-Index Metrics
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H-Index110
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i10 Index1,192
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Citation Counts68,135
Rankings
Decision Science | Sustainable Logistics & Supply Chain Management | Business Analytics & Big Data | Manufacturing Systems Design
H-Index Metrics
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H-Index92
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i10 Index319
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Citation Counts47,585
Rankings
Solar Energy | Solar Cooling | Passive Buildings | Exergy Analysis | Finite Time Thermodynamic
H-Index Metrics
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H-Index81
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i10 Index286
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Citation Counts26,775
Rankings
Sustainable Green Catalysis and Reactor Design | Hydrocarbon | Biomass | Green Hydrogen | Waste to Energ
H-Index Metrics
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H-Index78
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i10 Index279
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Citation Counts22,395
Rankings
Rankings
Rankings
Artificial Intelligence | Social Media | Digital Platforms | User Experience | Emerging ICTs managemen
H-Index Metrics
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H-Index70
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i10 Index192
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Citation Counts30,783
Rankings
Rankings
Rankings
polymer science | chemical sciences | material chemistr
H-Index Metrics
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H-Index65
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i10 Index209
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Citation Counts14,911
Rankings
Rankings
Power System Control. Renewable Energy | EV Charge
H-Index Metrics
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H-Index64
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i10 Index230
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Citation Counts17,807
Rankings
Tribology | Polymer composites | nano composites | nano lubricants | nano adhesive
H-Index Metrics
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H-Index63
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i10 Index206
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Citation Counts13,928
Rankings
applied biocatalysis including protein purfication | stabilisation | aggregation and refolding | enzymes in organic synthesis | nan
H-Index Metrics
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H-Index63
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i10 Index279
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Citation Counts17,442
Rankings
Biological waste treat/ C sequestration | Algal biorefinery | Bioenergy/biomaterials recover
H-Index Metrics
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H-Index62
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i10 Index182
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Citation Counts15,516
Rankings
Manufacturing Science | CAD/CAM | Additive and Smart Manufacturin
H-Index Metrics
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H-Index61
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i10 Index204
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Citation Counts13,909
Rankings
nanomaterials | superconductors | electrocatalysis | photocatalysi
H-Index Metrics
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H-Index58
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i10 Index261
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Citation Counts13,045
Rankings
Aerosol-Cloud-climate interaction | Climate change and Human healt
H-Index Metrics
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H-Index56
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i10 Index150
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Citation Counts15,402
Rankings
Enzymology | Extremophiles | Nano toxicity | Bioremediation | Proteomic
H-Index Metrics
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H-Index56
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i10 Index197
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Citation Counts12,635
Rankings
Rankings
Lasers | Biomedical applications of lasers | biophotonics | laser materials | nonlinear optic
H-Index Metrics
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H-Index56
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i10 Index281
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Citation Counts12,568
Rankings
Operations & Supply Chain | MCDM | Sustainability | Circularity | Textile Engineerin
H-Index Metrics
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H-Index55
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i10 Index157
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Citation Counts9,898
Rankings
Phycoremediation | Algal Biofuels | Ecotoxicology | Environmental Chemistry | Wastewate
H-Index Metrics
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H-Index55
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i10 Index191
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Citation Counts10,708
Rankings
Rankings
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