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 (0) 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
Catalysis | Physical Chemistry | Materials Science | Nanomaterials | Green Chemistr
H-Index Metrics
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H-Index84
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i10 Index284
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Citation Counts21,453
Rankings
Rankings
Rankings
Rankings
Theoretical Cosmology | Modified Theories of Gravity | Astrophysical Object
H-Index Metrics
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H-Index54
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i10 Index201
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Citation Counts9,733
Rankings
Sustainable Manufacturing | Environmental Assessment | Life Cycle Engineering | Cyber Physical Production System | Circular Econom
H-Index Metrics
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H-Index51
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i10 Index148
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Citation Counts10,519
Rankings
Rankings
Drug delivery | Pharmaceutics | nanomedicin
H-Index Metrics
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H-Index45
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i10 Index115
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Citation Counts9,406
Rankings
Rankings
world class manufacturing | lean manufacturing | flexible manufacturing systems | manufacturing excellence | manufacturing manageme
H-Index Metrics
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H-Index42
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i10 Index76
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Citation Counts7,365
Rankings
Nano materials | Polymer nanocomposites | Advanced Catalysis ..
H-Index Metrics
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H-Index41
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i10 Index113
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Citation Counts7,694
Rankings
Rankings
Rankings
Marketing | Strategy | Customer Loyalty | Entrepreneurshi
H-Index Metrics
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H-Index41
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i10 Index169
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Citation Counts7,477
Rankings
Heat Transfer | NCL | Transcritical CO2 | Refrigeratio
H-Index Metrics
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H-Index40
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i10 Index96
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Citation Counts5,646
Rankings
Nanomaterials | Catalysis | Electrocatalysis | SER
H-Index Metrics
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H-Index39
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i10 Index61
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Citation Counts6,137
Rankings
Concrete technology | Durability of concrete | Supplementary cementitious material
H-Index Metrics
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H-Index37
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i10 Index64
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Citation Counts5,025
Rankings
Heat transfer | Renewable Energy | BTMS | PCM Biomechanics | Agricultur
H-Index Metrics
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H-Index37
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i10 Index107
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Citation Counts4,431
Rankings
Rankings
MEMS | Microfluidics | Nanoelectronics | Intelligent Sensors | Smart Energy Harvesters
H-Index Metrics
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H-Index36
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i10 Index153
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Citation Counts5,749
Rankings
Bio-Mechanics | Magnetic Trageting Drug Delivery | Diff Equations. | Financial Mathematic
H-Index Metrics
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H-Index35
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i10 Index82
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Citation Counts3,322
Rankings
Rankings
Rankings
Rankings
Microbial & Nano-biotechnology | Nano-adsorbents | Mycodegradation of plastics | Bioplastis (PHA
H-Index Metrics
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H-Index34
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i10 Index52
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Citation Counts6,207
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