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 07, 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
supercapacitor | lithium ion battery | hydrogen storage | steelmaking | metallurg
H-Index Metrics
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H-Index132
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i10 Index346
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Citation Counts51,085
Rankings
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photovoltaics | open hardware | 3D printing | recycling | agrivoltaic
H-Index Metrics
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H-Index95
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i10 Index442
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Citation Counts38,072
Rankings
pavement | asphalt | pavement design | asphalt mixture | bitume
H-Index Metrics
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H-Index89
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i10 Index367
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Citation Counts27,735
Rankings
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Rankings
energy storage materials | In Situ Electron Microscop
H-Index Metrics
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H-Index82
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i10 Index176
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Citation Counts21,887
Rankings
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Applied surface chemistry | colloid science | material processing | biomaterial
H-Index Metrics
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H-Index72
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i10 Index175
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Citation Counts18,918
Rankings
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atmospheric physics | turbulence | cloud physics | nucleation | holograph
H-Index Metrics
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H-Index55
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i10 Index133
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Citation Counts10,017
Rankings
Rankings
Biomaterials | Biomimetic | Adhesion | Antimicrobial | Antivira
H-Index Metrics
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H-Index51
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i10 Index92
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Citation Counts16,185
Rankings
Gene Silencing | RNAi | microRNA | Plant Small RNA | Plant Biolog
H-Index Metrics
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H-Index51
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i10 Index88
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Citation Counts12,074
Rankings
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Signal Processing | Wireless Communication
H-Index Metrics
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H-Index51
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i10 Index153
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Citation Counts13,197
Rankings
Nanotubes | Quantum Materials | Boron Nitride | Energy Generation | Biomedica
H-Index Metrics
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H-Index50
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i10 Index123
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Citation Counts10,154
Rankings
Human Factors | Ergonomics | Human Systems Engineering | Vigilance | Engineering Psycholog
H-Index Metrics
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H-Index50
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i10 Index136
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Citation Counts19,398
Rankings
Composite materials | Infrastructure materials | Simulation and Smart Structur
H-Index Metrics
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H-Index49
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i10 Index111
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Citation Counts8,817
Rankings
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