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 03, 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 (1.131.752) 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
Carbon Nanotubes | Graphene | Energy storage materials | Photocatalytic Semiconductor
H-Index Metrics
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H-Index209
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i10 Index979
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Citation Counts322,872
Rankings
Phase engineering of nanomaterials (PEN) and controlled epitaxial growth of heterostructure
H-Index Metrics
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H-Index201
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i10 Index574
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Citation Counts165,735
Rankings
Lithium-Sulfur Batteries | Lithium Metal Anode | SEI | Electrolyte | Electrocatalysi
H-Index Metrics
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H-Index199
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i10 Index629
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Citation Counts138,128
Rankings
Rankings
Optics | Laser | Biophotonics | Two-dimensional materials | Black phosphoru
H-Index Metrics
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H-Index181
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i10 Index695
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Citation Counts109,209
Rankings
Astroparticle Physics | Elementary Particle Physics | High Energy Physic
H-Index Metrics
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H-Index180
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i10 Index925
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Citation Counts146,084
Rankings
Rankings
Environmental Soil Science & Biogeochemistr
H-Index Metrics
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H-Index177
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i10 Index809
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Citation Counts112,290
Rankings
Tissue Engineering | Regenerative Medicine | Intelligent Polymer | Biomaterials | Drug Delivery System
H-Index Metrics
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H-Index177
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i10 Index908
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Citation Counts115,240
Rankings
Lithium ion batteries | All Solid State Battery | Na ion and Potassium ion batteries | Cathode for batteries | Li sulfur and Li oxy
H-Index Metrics
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H-Index175
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i10 Index745
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Citation Counts117,635
Rankings
Rankings
Rankings
Biomaterials | Polymers | Drug Delivery | Nanotechnolog
H-Index Metrics
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H-Index170
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i10 Index754
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Citation Counts112,745
Rankings
Organic Photonics | Organic Electronics | Energy | Self-Assembl
H-Index Metrics
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H-Index169
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i10 Index854
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Citation Counts107,625
Rankings
Rankings
Rankings
Nanowires | Electrochemistry | Energy Storag
H-Index Metrics
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H-Index163
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i10 Index752
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Citation Counts95,781
Rankings
Metal Materials | Catalysis | Battery | Sensor | Solar Cell
H-Index Metrics
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H-Index162
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i10 Index491
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Citation Counts91,514
Rankings
Surface Plasmon Resonance | Single Cell Imaging | Single Nanoparticle Imagin
H-Index Metrics
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H-Index162
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i10 Index1,802
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Citation Counts135,288
Rankings
Rankings
Wireless Communications | MIMO | Cognitive Radio | Wireless Power Transfer | UA
H-Index Metrics
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H-Index159
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i10 Index509
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Citation Counts119,708
Rankings
Materials Science and Engineering | Plasma Science | Surface Science | Biomaterial
H-Index Metrics
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H-Index159
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i10 Index1,862
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Citation Counts138,589
Rankings
Metabolic engineering | synthetic biology | biochemical engineering | bioprocess engineerin
H-Index Metrics
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H-Index158
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i10 Index700
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Citation Counts90,852
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