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 Sep 02, 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 (1.122.044) 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].
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Silicon Photonics | Integrated Photonics Circuits | Photonics MEMS | Nanophotonics | Nonlinear Photonic
H-Index Metrics
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H-Index83
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i10 Index467
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Citation Counts23,968
Rankings
Microfluidics | MEMS | biosensor | Lab on a chip | BioMEM
H-Index Metrics
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H-Index82
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i10 Index439
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Citation Counts26,764
Rankings
materials science and engineering | applied physic
H-Index Metrics
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H-Index81
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i10 Index399
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Citation Counts28,183
Rankings
Rankings
Environmental nanotechnology | Advanced oxidation processes | emerging pollutants | Water-Energy Nexu
H-Index Metrics
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H-Index75
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i10 Index247
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Citation Counts17,065
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Rankings
Nanomterials | Energy harvesting | ReRAM | 2D materials | Solar Cel
H-Index Metrics
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H-Index73
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i10 Index306
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Citation Counts24,858
Rankings
Memory Circuit Designs | Compute-in-Memory | AI Chips | Memristor-Based Neuromorphic Circuits | etc
H-Index Metrics
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H-Index71
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i10 Index276
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Citation Counts18,336
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Rankings
Self-powered (bio)chemical sensors | biomedical diagnostic devices | wearable healthcare electronic
H-Index Metrics
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H-Index68
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i10 Index145
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Citation Counts18,886
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Rankings
Multimedia | Computer Vision | Video Streaming | Video Codin
H-Index Metrics
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H-Index65
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i10 Index177
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Citation Counts15,372
Rankings
water electrolysis | green hydrogen production | zinc air battery | electrochemical energy storag
H-Index Metrics
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H-Index62
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i10 Index192
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Citation Counts13,018
Rankings
gene therapy | tissue engineering | synthetic biology | vaccin
H-Index Metrics
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H-Index62
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i10 Index141
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Citation Counts24,227
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Rankings
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Industry 3.5 | semiconductor manufacturing | big data & data mining | manufacturing intelligence | decision analysi
H-Index Metrics
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H-Index58
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i10 Index198
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Citation Counts12,690
Rankings
Rankings

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