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 31, 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 (1.131.755) 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
Rankings
mobile learning | digital game-based learning | artificial intelligence in education | flipped learnin
H-Index Metrics
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H-Index124
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i10 Index475
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Citation Counts64,275
Rankings
Hydrogen energy | Bioenergy | Clean energy | Thermoelectric generation | CO2 capture and utilizaito
H-Index Metrics
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H-Index124
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i10 Index696
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Citation Counts63,461
Rankings
Igneous Petrogenesis | Hard-Rock Geochemistry | Asian Magmatism & Tectonic
H-Index Metrics
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H-Index108
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i10 Index263
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Citation Counts44,235
Rankings
electroanalytical chemistry | bioelectrochemistry | energy nanotechnology | modified electrode
H-Index Metrics
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H-Index106
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i10 Index1,129
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Citation Counts62,208
Rankings
Electrochemical Engineering (電化學工程) | Electrodesposition (電鍍技術) | Battery technology (電池技術) | Li-ion Battery (鋰離子電池
H-Index Metrics
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H-Index106
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i10 Index912
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Citation Counts52,907
Rankings
Rankings
fuzzy set and application | decision making | data mining | performance evaluation | project managemen
H-Index Metrics
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H-Index96
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i10 Index447
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Citation Counts51,242
Rankings
Separation technology | Membrane technology | Environmental sciences | Nanomaterials | Biomedical engineerin
H-Index Metrics
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H-Index95
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i10 Index349
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Citation Counts40,025
Rankings
Rankings
Nanoscience | Sustainable Energy | Green Chemistry | Sensors | Analytical Chemistr
H-Index Metrics
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H-Index94
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i10 Index366
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Citation Counts32,820
Rankings
antennas | mobile antennas | microwaves | Electromagnetic
H-Index Metrics
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H-Index93
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i10 Index576
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Citation Counts38,359
Rankings
data analysis | statistics | earth sciences | engineering | applied mathematic
H-Index Metrics
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H-Index92
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i10 Index290
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Citation Counts93,019
Rankings
packaging | 3D | microelectronics | interconnect | semiconducto
H-Index Metrics
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H-Index88
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i10 Index859
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Citation Counts56,302
Rankings
mesoporous materials | metal-organic frameworks | drug delivery systems | biomass conversion | membrane separatio
H-Index Metrics
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H-Index87
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i10 Index314
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Citation Counts30,081
Rankings
Rankings
Rankings
Sciences and Technologies | Eduation | Photonics | Photonics Engineerin
H-Index Metrics
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H-Index85
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i10 Index598
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Citation Counts32,477
Rankings
Polymer | Polybenzoxazine | Mesoporous Materials | Covalent Organic Framework | POS
H-Index Metrics
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H-Index85
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i10 Index468
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Citation Counts27,650
Rankings
Synchrotron x-ray spectroscopy | Electronic structure | Nanostructured materials | Energy-related material
H-Index Metrics
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H-Index84
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i10 Index310
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Citation Counts30,110
Rankings
Microfluidics | MEMS | biosensor | Lab on a chip | BioMEM
H-Index Metrics
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H-Index84
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i10 Index445
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Citation Counts27,323
Rankings
Silicon Photonics | Integrated Photonics Circuits | Photonics MEMS | Nanophotonics | Nonlinear Photonic
H-Index Metrics
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H-Index84
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i10 Index472
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Citation Counts24,533
Rankings
Rankings
Semiconducting Polymers | Hybrid Perovskites | Organic Electronic Device
H-Index Metrics
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H-Index82
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i10 Index211
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Citation Counts25,793
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