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 30, 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 (1.131.699) 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
Materials Science | Nanotechnology | Chemistry | Physic
H-Index Metrics
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H-Index239
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i10 Index1,193
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Citation Counts243,156
Rankings
environmental engineering | membrane separations | environmental nanotechnology | desalination | wate
H-Index Metrics
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H-Index219
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i10 Index589
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Citation Counts173,864
Rankings
organizational psychology | team training | safety culture | human factors | teamwor
H-Index Metrics
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H-Index193
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i10 Index748
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Citation Counts151,606
Rankings
Rankings
Nanotechnology | Plasmonics | Nanophotonic
H-Index Metrics
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H-Index172
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i10 Index416
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Citation Counts137,439
Rankings
Biomaterials | Drug Delivery | Nanotechnology | Regenerative Medicine | Tissue Engineerin
H-Index Metrics
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H-Index171
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i10 Index622
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Citation Counts113,177
Rankings
Rankings
Quantum Chemistry | Electronic Structure | Condensed Matter Physics | Materials Science | Nanotechnolog
H-Index Metrics
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H-Index153
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i10 Index603
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Citation Counts236,489
Rankings
Rankings
materials science | physics | computations | chemistr
H-Index Metrics
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H-Index133
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i10 Index398
-
Citation Counts77,779
Rankings
Signal Processing | Image Processing | Machine Learning | Open Education | Learning Technologie
H-Index Metrics
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H-Index129
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i10 Index514
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Citation Counts86,601
Rankings
environmental engineering | environmental nanotechnology | water treatment | biodegradatio
H-Index Metrics
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H-Index124
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i10 Index420
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Citation Counts68,620
Rankings
Rankings
Physical Chemistry | Biophysics | Protein Folding | Condensed Matte
H-Index Metrics
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H-Index123
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i10 Index417
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Citation Counts68,179
Rankings
Materials Science | Nanotechnology | Nanomechanic
H-Index Metrics
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H-Index115
-
i10 Index302
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Citation Counts63,685
Rankings
Rankings
Rankings
Nanomedicine | nanotechnology | genome editing | molecular beacon
H-Index Metrics
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H-Index105
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i10 Index222
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Citation Counts45,130
Rankings
Physics of Living Systems - Social Behaviors of Bacteria | Network Neuroscience | Neuro-Glia interactions | Econophysics | The foun
H-Index Metrics
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H-Index103
-
i10 Index318
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Citation Counts42,644
Rankings
Laser Spectroscopy | Applications of Laser Spectroscopy | Environmental monitoring | Industrial Process Control | Medical Diagnosti
H-Index Metrics
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H-Index100
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i10 Index492
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Citation Counts39,515
Rankings
Rankings
Rankings
corporate strategy | international strategy | corporate governance | innovation | stakeholder theor
H-Index Metrics
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H-Index89
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i10 Index166
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Citation Counts72,215
Rankings
Robotics | AI | Bioinformatics | Algorithm
H-Index Metrics
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H-Index87
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i10 Index259
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Citation Counts42,633
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