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 Sep 02, 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 (1.122.044) 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
Last 5 Years H-Index Metrics
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H-Index89
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i10 Index666
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Citation Counts37,066
Rankings
thermodynamics | process system engineering | data analytics and artificial intelligienc
Last 5 Years H-Index Metrics
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H-Index28
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i10 Index74
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Citation Counts2,797
Rankings
Last 5 Years H-Index Metrics
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H-Index28
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i10 Index72
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Citation Counts2,124
Rankings
Point-of-Care Diagnostics | Portable Environmental Monitoring Device
Last 5 Years H-Index Metrics
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H-Index26
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i10 Index47
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Citation Counts2,064
Rankings
heat pump | ejector | refrigeration | LED | solar P
Last 5 Years H-Index Metrics
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H-Index25
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i10 Index51
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Citation Counts2,580
Rankings
Last 5 Years H-Index Metrics
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H-Index25
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i10 Index75
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Citation Counts2,569
Rankings
Magnesium Matrix Composites | Hydrogen Storage Materials | Mechanics of Composite Materials | Metal Matrix Composite
Last 5 Years H-Index Metrics
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H-Index24
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i10 Index63
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Citation Counts2,157
Rankings
Last 5 Years H-Index Metrics
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H-Index23
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i10 Index32
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Citation Counts1,652
Rankings
Applied Physics | Engineering | Materials Science | Energ
Last 5 Years H-Index Metrics
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H-Index21
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i10 Index55
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Citation Counts1,633
Rankings
energy & combustion | biomicrofluidics & lab on a chip | biophysics & biommetics | propulsion ..
Last 5 Years H-Index Metrics
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H-Index21
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i10 Index48
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Citation Counts1,315
Rankings
Robotics | Mechatronics | Mechanical Design | Contro
Last 5 Years H-Index Metrics
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H-Index20
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i10 Index37
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Citation Counts1,834
Rankings
ultrasonics | phononic crystal | acoustic wave device
Last 5 Years H-Index Metrics
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H-Index20
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i10 Index36
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Citation Counts1,607
Rankings
Energy Harvesting | Materials Modeling | Machine Learnin
Last 5 Years H-Index Metrics
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H-Index20
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i10 Index31
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Citation Counts1,442
Rankings
Biomedical | Heat Transfer | microfluidics | Boiling | Thermal Scienc
Last 5 Years H-Index Metrics
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H-Index19
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i10 Index42
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Citation Counts1,571
Rankings
thermoelectrics | phononics | halide perovskites | crystal growt
Last 5 Years H-Index Metrics
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H-Index19
-
i10 Index25
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Citation Counts1,460
Rankings
Last 5 Years H-Index Metrics
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H-Index19
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i10 Index32
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Citation Counts1,257
Rankings
Last 5 Years H-Index Metrics
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H-Index18
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i10 Index34
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Citation Counts1,535
Rankings
Micro/ Nano fabrication | Ferroelectric single crysta
Last 5 Years H-Index Metrics
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H-Index17
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i10 Index20
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Citation Counts1,071
Rankings
Fluid physics | combustion and energy | computational fluid dynamics | propulsio
Last 5 Years H-Index Metrics
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H-Index17
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i10 Index24
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Citation Counts866
Rankings
Last 5 Years H-Index Metrics
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H-Index17
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i10 Index28
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Citation Counts742
Rankings
vibration analysis | electrical signature analysis | robotics | control and automatio
Last 5 Years H-Index Metrics
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H-Index16
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i10 Index21
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Citation Counts1,359
Rankings
Last 5 Years H-Index Metrics
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H-Index16
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i10 Index23
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Citation Counts1,156
Rankings
Heat Trsansfer | Nanotechnology | Energy | Advanced Manufacturin
Last 5 Years H-Index Metrics
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H-Index16
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i10 Index25
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Citation Counts858
Rankings
Last 5 Years H-Index Metrics
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H-Index15
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i10 Index19
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Citation Counts1,504
Rankings
Advanced Medical Device | Stent and Catheter | Composite Materia
Last 5 Years H-Index Metrics
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H-Index15
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i10 Index19
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Citation Counts988

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