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
nanomaterials | gas sensors | thin films | electronic mateiral
H-Index Metrics
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H-Index87
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i10 Index328
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Citation Counts21,770
Rankings
Rankings
Fluid machinery | Optimization | Heat Transfer | Micromixer | Micro Heat Sin
H-Index Metrics
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H-Index66
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i10 Index257
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Citation Counts14,366
Rankings
Rankings
Rankings
Organic Electronics | Self-Assembly | Nanostructur
H-Index Metrics
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H-Index56
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i10 Index116
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Citation Counts15,669
Rankings
Rankings
Rankings
Large language models | Deep learning | Trustworthy AI | Agentic AI | Medical informatic
H-Index Metrics
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H-Index51
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i10 Index121
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Citation Counts11,024
Rankings
Fuel cells | Advanced batteries | Metal hydride hydrogen storage technologies | Flow batterie
H-Index Metrics
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H-Index48
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i10 Index116
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Citation Counts6,613
Rankings
Advanced Oxidation | Water Treatment | Nanotechnology | Microplastics | Environmental Engineerin
H-Index Metrics
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H-Index47
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i10 Index99
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Citation Counts7,435
Rankings
Rankings
Rankings
Rankings
Rankings
Hydrology | Water Resources | Climate Change | Natural Disaste
H-Index Metrics
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H-Index38
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i10 Index206
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Citation Counts8,385
Rankings
Geo-AI | eXtendedReality=XR(VR-MR-AR) | GIS | Culture Technology | Metavers
H-Index Metrics
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H-Index37
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i10 Index90
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Citation Counts5,218
Rankings
Nano-Bio Composites | Bioelectronics | Implantable Electronics | Eco-friendly Electronic
H-Index Metrics
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H-Index37
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i10 Index62
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Citation Counts7,734
Rankings
Nanocomposite | Nanomaterials | Microfabrication | Sensors & Actuators | Process Desig
H-Index Metrics
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H-Index36
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i10 Index68
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Citation Counts4,016
Rankings
Neuroimaging | Neuroinformatics | Clinical neuroscience | Connectome | Machine learnin
H-Index Metrics
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H-Index35
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i10 Index68
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Citation Counts3,704
Rankings
Display | Semiconductors | OLED | TF
H-Index Metrics
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H-Index35
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i10 Index67
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Citation Counts6,856
Rankings
Rankings
Magnetic Microrobots | Sulfur-Rich Polymers | Liquid Crystalline Polymers | Lignin Composite
H-Index Metrics
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H-Index33
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i10 Index71
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Citation Counts6,339
Rankings
Rankings
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