The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 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 6 years. As of Feb 01, 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 (870.053) 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].
* Total H IndexRankings
Ranking Based On Selection: 1
Heat and Mass Transfer
Porous Media
Biomedical
Electronics Cooling
Heat Pipe
Metrics
H-Index
i10 Index
Citation Counts
91
349
41,135
* Total H IndexRankings
Ranking Based On Selection: 2
Energy Storage
Electronics
2D Materials
Nanomaterials
Materials Processing
Metrics
H-Index
i10 Index
Citation Counts
59
156
14,515
* Total H IndexRankings
Ranking Based On Selection: 3
renewable energy
thermoelectrics
silicon
nanoscale
heat transfer
Metrics
H-Index
i10 Index
Citation Counts
45
152
8,818
* Total H IndexRankings
Ranking Based On Selection: 4
Metallurgical and Materials Engineering Department
Metrics
H-Index
i10 Index
Citation Counts
44
101
7,569
* Total H IndexRankings
Ranking Based On Selection: 5
Plasma processing of materials
energy-related issues
Metrics
H-Index
i10 Index
Citation Counts
33
63
6,276
* Total H IndexRankings
Ranking Based On Selection: 6
Solid Mechanics
Hydraulic Fracturing
Metrics
H-Index
i10 Index
Citation Counts
31
53
3,182
* Total H IndexRankings
Ranking Based On Selection: 7
Aerosol
Physical chemistry
Atmosphere
Clouds
Metrics
H-Index
i10 Index
Citation Counts
28
44
2,400
* Total H IndexRankings
Ranking Based On Selection: 8
Natural user interfaces
sketch understanding
engineering education research
Metrics
H-Index
i10 Index
Citation Counts
28
53
3,018
* Total H IndexRankings
Ranking Based On Selection: 9
experimental fluid mechanics
fire propagation
Metrics
H-Index
i10 Index
Citation Counts
27
43
2,639
* Total H IndexRankings
Ranking Based On Selection: 10
Computational Materials Science
Metrics
H-Index
i10 Index
Citation Counts
26
43
4,245
* Total H IndexRankings
Ranking Based On Selection: 11
phonon
magnon/spin
thermal transport
neutron/X-ray scattering
high pressure
Metrics
H-Index
i10 Index
Citation Counts
25
36
2,960
* Total H IndexRankings
Ranking Based On Selection: 12
acoustics
hummingbirds
feathers
flight
ornithology
Metrics
H-Index
i10 Index
Citation Counts
25
45
2,065
* Total H IndexRankings
Ranking Based On Selection: 13
Nanofabrication
microfabrication
microelectromechanical systems (MEMS)
BioMEMS
biomedical microdevices
Metrics
H-Index
i10 Index
Citation Counts
24
34
2,790
* Total H IndexRankings
Ranking Based On Selection: 14
Hydraulic Fracturing
Near-wellbore Effects
Numerical Simulation
Metrics
H-Index
i10 Index
Citation Counts
21
31
1,774
* Total H IndexRankings
Ranking Based On Selection: 15
Fluid Dynamics
Soft Matter
Particulate Flows
Sea Ice
Metrics
H-Index
i10 Index
Citation Counts
19
27
985
* Total H IndexRankings
Ranking Based On Selection: 16
Biomedical Microdevices
Low-Cost Diagnostics
Stem Cell Engineering
Metrics
H-Index
i10 Index
Citation Counts
19
22
1,444
* Total H IndexRankings
Ranking Based On Selection: 17
Wave Optics
Nonlinear Dynamics
Machine Vision
Data-driven Modeling
Light Harvesting
Metrics
H-Index
i10 Index
Citation Counts
16
25
1,181
* Total H IndexRankings
Ranking Based On Selection: 18
Materials Science
Transparent Ceramics
CAPAD
High-Energy Lasers
Synthesis and Processing of Non-Equilibrium Phases
Metrics
H-Index
i10 Index
Citation Counts
13
13
715
* Total H IndexRankings
Ranking Based On Selection: 19
Deep Learning
Natural Language Processing
Machine Learning
Mathematical Modeling
Metrics
H-Index
i10 Index
Citation Counts
11
11
871
Kambiz Vafai
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
91
349
41,135
Heat and Mass Transfer
Porous Media
Biomedical
Electronics Cooling
Heat Pipe
Cengiz Ozkan|CS Ozkan
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
59
156
14,515
Energy Storage
Electronics
2D Materials
Nanomaterials
Materials Processing
Zhaojie Wang
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
45
152
8,818
renewable energy
thermoelectrics
silicon
nanoscale
heat transfer
Suveen Nigel Mathaudhu
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
44
101
7,569
Metallurgical and Materials Engineering Department
Lorenzo Mangolini
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
33
63
6,276
Plasma processing of materials
energy-related issues
Guanshui Xu
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
31
53
3,182
Solid Mechanics
Hydraulic Fracturing
James F Davies
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
28
44
2,400
Aerosol
Physical chemistry
Atmosphere
Clouds
Thomas Stahovich
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
28
53
3,018
Natural user interfaces
sketch understanding
engineering education research
Marko Princevac
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
27
43
2,639
experimental fluid mechanics
fire propagation
P Alex Greaney
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
26
43
4,245
Computational Materials Science
Chen Li
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
25
36
2,960
phonon
magnon/spin
thermal transport
neutron/X-ray scattering
high pressure
Christopher J Clark
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
25
45
2,065
acoustics
hummingbirds
feathers
flight
ornithology
Masaru P Rao
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
24
34
2,790
Nanofabrication
microfabrication
microelectromechanical systems (MEMS)
BioMEMS
biomedical microdevices
Gongbo Long
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
21
31
1,774
Hydraulic Fracturing
Near-wellbore Effects
Numerical Simulation
Bhargav Rallabandi
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
19
27
985
Fluid Dynamics
Soft Matter
Particulate Flows
Sea Ice
Hideaki Tsutsui
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
19
22
1,444
Biomedical Microdevices
Low-Cost Diagnostics
Stem Cell Engineering
Luat Vuong
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
16
25
1,181
Wave Optics
Nonlinear Dynamics
Machine Vision
Data-driven Modeling
Light Harvesting
Elias H Penilla
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
13
13
715
Materials Science
Transparent Ceramics
CAPAD
High-Energy Lasers
Synthesis and Processing of Non-Equilibrium Phases
Masoud Ghasemian
University of California Riverside
Riverside, United States
Metrics
H-Index
i10-Index
Citation Counts
11
11
871
Deep Learning
Natural Language Processing
Machine Learning
Mathematical Modeling