University, Subject, Country, Region, World
Georgia Institute of Technology 1.731 Scientists Subject Rankings - 2025
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 6 years. As of Jun 13, 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 (1.121.291) 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
nanogenerator
self-powered sensors/systems
blue energy
piezotronics
piezo-phototronic
Metrics
H-Index
i10 Index
Citation Counts
333
2,526
490,710
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* Total H IndexRankings
Ranking Based On Selection: 2
Nanomaterials
Biomedicine
Imaging
Energy
Catalysi
Metrics
H-Index
i10 Index
Citation Counts
255
879
273,779
* Total H IndexRankings
Ranking Based On Selection: 3
physic
Metrics
H-Index
i10 Index
Citation Counts
238
1,050
257,191
* Total H IndexRankings
Ranking Based On Selection: 4
Batteries
Fuel Cells
Solid State Ionics
Energy Materials
Solid Oxide Fuel Cell
Metrics
H-Index
i10 Index
Citation Counts
163
649
87,956
* Total H IndexRankings
Ranking Based On Selection: 5
nanoscience
nanotechnology
nanomedicine
nanocatalysis
nanosensor
Metrics
H-Index
i10 Index
Citation Counts
147
675
164,304
* Total H IndexRankings
Ranking Based On Selection: 6
Particle Astrophysics
Gravitational Wave
Metrics
H-Index
i10 Index
Citation Counts
142
314
134,983
* Total H IndexRankings
Ranking Based On Selection: 7
Wireless Commu5G/6G Wireless Systems
Intelligent Surfaces
Nano-scale and Molecular Communication
Underwater and CubeSats Co
Metrics
H-Index
i10 Index
Citation Counts
141
487
153,711
* Total H IndexRankings
Ranking Based On Selection: 8
separations
membranes
sorbents
hollow fiber
Metrics
H-Index
i10 Index
Citation Counts
134
511
63,850
* Total H IndexRankings
Ranking Based On Selection: 9
Chemistry
Materials
Organic Electronics
Surface Modifcation
Perovskit
Metrics
H-Index
i10 Index
Citation Counts
132
626
84,620
* Total H IndexRankings
Ranking Based On Selection: 10
Pharmaceutical
Metrics
H-Index
i10 Index
Citation Counts
125
357
65,073
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* Total H IndexRankings
Ranking Based On Selection: 11
Signal Processing
Speech
Language
Multimedia
Machine Learnin
Metrics
H-Index
i10 Index
Citation Counts
122
1,370
85,168
* Total H IndexRankings
Ranking Based On Selection: 12
Metrics
H-Index
i10 Index
Citation Counts
120
322
44,254
* Total H IndexRankings
Ranking Based On Selection: 13
Environmental Engineering
Chemical Engineering
Civil Engineering
Water Energy Nexus
Wate
Metrics
H-Index
i10 Index
Citation Counts
117
460
47,110
* Total H IndexRankings
Ranking Based On Selection: 14
Neutrino Astrophysics
Particle Astrophysic
Metrics
H-Index
i10 Index
Citation Counts
115
317
49,288
* Total H IndexRankings
Ranking Based On Selection: 15
Sphingolipids
Mass spectrometr
Metrics
H-Index
i10 Index
Citation Counts
113
292
48,231
* Total H IndexRankings
Ranking Based On Selection: 16
Astrophysics
Black Holes
Gravitational Waves
General Relativit
Metrics
H-Index
i10 Index
Citation Counts
111
221
105,159
* Total H IndexRankings
Ranking Based On Selection: 17
Computational physics
Condensed-matter
Nanoclusters
Nanocatalysis
Ultracold atom
Metrics
H-Index
i10 Index
Citation Counts
111
358
47,780
* Total H IndexRankings
Ranking Based On Selection: 18
biomaterials
regenerative medicine
cell adhesion
mechanotransductio
Metrics
H-Index
i10 Index
Citation Counts
107
284
35,723
* Total H IndexRankings
Ranking Based On Selection: 19
transmission electron microscopy
oxides
nanomaterial
Metrics
H-Index
i10 Index
Citation Counts
107
237
44,837
* Total H IndexRankings
Ranking Based On Selection: 20
Direct Air Capture
Carbon Capture
Catalysis
Adsorption
Materials Chemistr
Metrics
H-Index
i10 Index
Citation Counts
106
376
43,740
* Total H IndexRankings
Ranking Based On Selection: 21
Metrics
H-Index
i10 Index
Citation Counts
106
402
44,266
* Total H IndexRankings
Ranking Based On Selection: 22
security
systems
networking
machine learning
applied cryptograph
Metrics
H-Index
i10 Index
Citation Counts
106
241
50,780
* Total H IndexRankings
Ranking Based On Selection: 23
environmental physiology
integrative physiology
heat stress
hydration
thermoregulatio
Metrics
H-Index
i10 Index
Citation Counts
105
292
41,452
* Total H IndexRankings
Ranking Based On Selection: 24
graphene
clusters
nanotubes
nanotechnolog
Metrics
H-Index
i10 Index
Citation Counts
101
218
84,859
* Total H IndexRankings
Ranking Based On Selection: 25
Civil Engineering
Environmental Engineering
Air Pollution
Modelin
Metrics
H-Index
i10 Index
Citation Counts
100
420
37,216
Zhong Lin Wang
Metrics
H-Index
i10-Index
Citation Counts
333
2,526
490,710
nanogenerator
self-powered sensors/systems
blue energy
piezotronics
piezo-phototronic
Younan Xia
Metrics
H-Index
i10-Index
Citation Counts
255
879
273,779
Nanomaterials
Biomedicine
Imaging
Energy
Catalysi
John L Wood
Metrics
H-Index
i10-Index
Citation Counts
238
1,050
257,191
Meilin Liu
Metrics
H-Index
i10-Index
Citation Counts
163
649
87,956
Batteries
Fuel Cells
Solid State Ionics
Energy Materials
Solid Oxide Fuel Cell
Mostafa A El Sayed
Metrics
H-Index
i10-Index
Citation Counts
147
675
164,304
nanoscience
nanotechnology
nanomedicine
nanocatalysis
nanosensor
Laura Cadonati
Metrics
H-Index
i10-Index
Citation Counts
142
314
134,983
Ian F Akyildiz
Metrics
H-Index
i10-Index
Citation Counts
141
487
153,711
Wireless Commu5G/6G Wireless Systems
Intelligent Surfaces
Nano-scale and Molecular Communication
Underwater and CubeSats Co
William Koros
Metrics
H-Index
i10-Index
Citation Counts
134
511
63,850
separations
membranes
sorbents
hollow fiber
Seth Marder
Metrics
H-Index
i10-Index
Citation Counts
132
626
84,620
Chemistry
Materials
Organic Electronics
Surface Modifcation
Perovskit
Mark Prausnitz
Metrics
H-Index
i10-Index
Citation Counts
125
357
65,073
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
Chin Hui Lee
Metrics
H-Index
i10-Index
Citation Counts
122
1,370
85,168
Signal Processing
Speech
Language
Multimedia
Machine Learnin
Rodney J Weber
Metrics
H-Index
i10-Index
Citation Counts
120
322
44,254
John Crittenden
Metrics
H-Index
i10-Index
Citation Counts
117
460
47,110
Environmental Engineering
Chemical Engineering
Civil Engineering
Water Energy Nexus
Wate
Ignacio Taboada
Metrics
H-Index
i10-Index
Citation Counts
115
317
49,288
Neutrino Astrophysics
Particle Astrophysic
AH Merrill
Metrics
H-Index
i10-Index
Citation Counts
113
292
48,231
Deirdre Shoemaker
Metrics
H-Index
i10-Index
Citation Counts
111
221
105,159
Astrophysics
Black Holes
Gravitational Waves
General Relativit
Uzi Landman
Metrics
H-Index
i10-Index
Citation Counts
111
358
47,780
Computational physics
Condensed-matter
Nanoclusters
Nanocatalysis
Ultracold atom
Andres J Garcia
Metrics
H-Index
i10-Index
Citation Counts
107
284
35,723
biomaterials
regenerative medicine
cell adhesion
mechanotransductio
Yong Ding
Metrics
H-Index
i10-Index
Citation Counts
107
237
44,837
transmission electron microscopy
oxides
nanomaterial
Christopher W Jones
Metrics
H-Index
i10-Index
Citation Counts
106
376
43,740
Direct Air Capture
Carbon Capture
Catalysis
Adsorption
Materials Chemistr
David S Sholl
Metrics
H-Index
i10-Index
Citation Counts
106
402
44,266
Wenke Lee
Metrics
H-Index
i10-Index
Citation Counts
106
241
50,780
security
systems
networking
machine learning
applied cryptograph
Michael N Sawka
Metrics
H-Index
i10-Index
Citation Counts
105
292
41,452
environmental physiology
integrative physiology
heat stress
hydration
thermoregulatio
Walt A De Heer *
Metrics
H-Index
i10-Index
Citation Counts
101
218
84,859
graphene
clusters
nanotubes
nanotechnolog
Armistead Russell
Metrics
H-Index
i10-Index
Citation Counts
100
420
37,216
Civil Engineering
Environmental Engineering
Air Pollution
Modelin