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
Advanced Carbon Materials | Polymers | Electrochemistry | Catalysi
H-Index Metrics
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H-Index193
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i10 Index898
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Citation Counts152,212
Rankings
Rankings
Psychiatry | Dementia | Brain Ageing | Neuroscience | Movement Disorder
H-Index Metrics
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H-Index169
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i10 Index883
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Citation Counts185,186
Rankings
Mental health | depression | public health | ehealth and suicid
H-Index Metrics
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H-Index165
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i10 Index584
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Citation Counts105,825
Rankings
Photovoltaics | Semiconductors | Solar Cells | Conversion Efficienc
H-Index Metrics
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H-Index163
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i10 Index810
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Citation Counts137,952
Rankings
Dementia. cognitive ageing | nursing home care | behavioral and psychological symptoms of dementia
H-Index Metrics
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H-Index147
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i10 Index746
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Citation Counts95,435
Rankings
Rankings
Bipolar disorder | Depression | Genetics | Mental health | Psychiatr
H-Index Metrics
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H-Index141
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i10 Index520
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Citation Counts153,039
Rankings
Rankings
Rankings
kidney disease | ckd | chronic kidney disease | dialysis | blood pressur
H-Index Metrics
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H-Index133
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i10 Index385
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Citation Counts84,919
Rankings
photocatalysis | aggregation | catalysis | energy conversion | nanomaterial
H-Index Metrics
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H-Index130
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i10 Index526
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Citation Counts58,125
Rankings
Rankings
Energy and buildings | urban heat island | building science | architectural engineering | urban climat
H-Index Metrics
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H-Index126
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i10 Index506
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Citation Counts63,672
Rankings
Rankings
Polymer science | Macromolecular engineering | NanoMedicine | Energ
H-Index Metrics
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H-Index118
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i10 Index396
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Citation Counts45,086
Rankings
Environmental Engineering | Biogeochemistry | Advanced Oxidation Processes | Membrane Technologies | Capacitive Deionizatio
H-Index Metrics
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H-Index118
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i10 Index458
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Citation Counts47,603
Rankings
cognitive health | cognitive decline | dementia risk factors | older drivers | healthy agein
H-Index Metrics
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H-Index116
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i10 Index496
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Citation Counts49,004
Rankings
sociology | medical sociology | media and communications | cultural studies | ris
H-Index Metrics
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H-Index114
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i10 Index294
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Citation Counts64,266
Rankings
Educational Psychology | Education | Psychology | Motivation | Engagemen
H-Index Metrics
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H-Index111
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i10 Index348
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Citation Counts47,030
Rankings
surface chemistry | electrochemistry | biosensors | nanomedicine | nanotechnolog
H-Index Metrics
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H-Index111
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i10 Index492
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Citation Counts48,688
Rankings
tuberculosis | asthma | COPD | air pollutio
H-Index Metrics
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H-Index110
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i10 Index425
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Citation Counts126,038
Rankings
Rankings
perovskites | oxides | optoelectronics | memor
H-Index Metrics
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H-Index107
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i10 Index358
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Citation Counts41,930
Rankings
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