University, Subject, Country, Region, World
University of California Santa Barbara 1.327 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 Apr 17, 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 (1.120.277) 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
solid state physics
semiconductor quantum materials and devices
Metrics
H-Index
i10 Index
Citation Counts
217
1,383
207,877
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* Total H IndexRankings
Ranking Based On Selection: 2
Educational psychology
Metrics
H-Index
i10 Index
Citation Counts
189
567
242,741
* Total H IndexRankings
Ranking Based On Selection: 3
Metrics
H-Index
i10 Index
Citation Counts
171
778
149,797
* Total H IndexRankings
Ranking Based On Selection: 4
Chemistry
Polymer Science
Materials
Polymers
Polymer Chemistry
Metrics
H-Index
i10 Index
Citation Counts
169
655
107,171
* Total H IndexRankings
Ranking Based On Selection: 5
Solid State Lighting
LEDs
Power Switching
Energy Efficiency
Metrics
H-Index
i10 Index
Citation Counts
157
1,043
99,635
* Total H IndexRankings
Ranking Based On Selection: 6
surface forces
Metrics
H-Index
i10 Index
Citation Counts
153
477
138,903
* Total H IndexRankings
Ranking Based On Selection: 7
semiconductors
Metrics
H-Index
i10 Index
Citation Counts
143
993
87,377
* Total H IndexRankings
Ranking Based On Selection: 8
Photonics
optoelectronics
optical switching
MEMS
silicon photonics
Metrics
H-Index
i10 Index
Citation Counts
141
1,034
82,352
* Total H IndexRankings
Ranking Based On Selection: 9
Condensed Matter Physics
Materials Science
Metrics
H-Index
i10 Index
Citation Counts
134
456
89,542
* Total H IndexRankings
Ranking Based On Selection: 10
Metrics
H-Index
i10 Index
Citation Counts
133
885
81,973
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* Total H IndexRankings
Ranking Based On Selection: 11
Parallel and distributed systems
Internet search
high performance computing
Metrics
H-Index
i10 Index
Citation Counts
130
1,554
90,179
* Total H IndexRankings
Ranking Based On Selection: 12
Metrics
H-Index
i10 Index
Citation Counts
125
304
57,397
* Total H IndexRankings
Ranking Based On Selection: 13
Marine ecology
conservation biology
Metrics
H-Index
i10 Index
Citation Counts
118
267
82,976
* Total H IndexRankings
Ranking Based On Selection: 14
Computer Security
Security
Metrics
H-Index
i10 Index
Citation Counts
118
262
52,672
* Total H IndexRankings
Ranking Based On Selection: 15
Building useful gadgets
Gratefulness
Metrics
H-Index
i10 Index
Citation Counts
117
333
55,577
* Total H IndexRankings
Ranking Based On Selection: 16
Cognitive Neuroscience
Metrics
H-Index
i10 Index
Citation Counts
116
414
63,893
* Total H IndexRankings
Ranking Based On Selection: 17
soil science
ecology
arctic science
microbial ecology
Metrics
H-Index
i10 Index
Citation Counts
112
198
52,830
* Total H IndexRankings
Ranking Based On Selection: 18
Neuroscience of Goal Oriented Behavior
Learning
Action
Functional Reorganization
Metrics
H-Index
i10 Index
Citation Counts
110
268
56,541
* Total H IndexRankings
Ranking Based On Selection: 19
Conservation Science
Marine Ecology
Marine Science
Sustainability Science
Metrics
H-Index
i10 Index
Citation Counts
109
252
50,865
* Total H IndexRankings
Ranking Based On Selection: 20
Limnology
Metrics
H-Index
i10 Index
Citation Counts
108
338
49,163
* Total H IndexRankings
Ranking Based On Selection: 21
group-III nitride crystal growth
characterization
and device applications
Metrics
H-Index
i10 Index
Citation Counts
106
496
44,980
* Total H IndexRankings
Ranking Based On Selection: 22
Computer Architecture
VLSI
EDA
CAD
Embedded Systems
Metrics
H-Index
i10 Index
Citation Counts
105
562
45,979
* Total H IndexRankings
Ranking Based On Selection: 23
Computer Security
Network Security
Web Security
Binary Analysis
Malware
Metrics
H-Index
i10 Index
Citation Counts
105
259
43,254
* Total H IndexRankings
Ranking Based On Selection: 24
Organic synthesis
green chemistry
Metrics
H-Index
i10 Index
Citation Counts
105
410
39,266
* Total H IndexRankings
Ranking Based On Selection: 25
fairness
diversity
stigma
resilience
coping with stress
Metrics
H-Index
i10 Index
Citation Counts
104
185
59,950
Pierre Petroff
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
217
1,383
207,877
solid state physics
semiconductor quantum materials and devices
Richard E Mayer
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
189
567
242,741
Galen Stucky
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
171
778
149,797
Craig Hawker
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
169
655
107,171
Chemistry
Polymer Science
Materials
Polymers
Polymer Chemistry
Steven DenBaars
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
157
1,043
99,635
Jacob Israelachvili
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
153
477
138,903
Jim Speck
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
143
993
87,377
John Bowers
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
141
1,034
82,352
Photonics
optoelectronics
optical switching
MEMS
silicon photonics
Chris G Van De Walle
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
134
456
89,542
Condensed Matter Physics
Materials Science
Umesh Mishra
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
133
885
81,973
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
Tao Yang
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
130
1,554
90,179
Parallel and distributed systems
Internet search
high performance computing
Kenneth S Kosik
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
125
304
57,397
Benjamin S Halpern
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
118
267
82,976
Marine ecology
conservation biology
Christopher Kruegel
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
118
262
52,672
Computer Security
Security
Paul Hansma
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
117
333
55,577
Michael S Gazzaniga
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
116
414
63,893
Joshua P Schimel
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
112
198
52,830
soil science
ecology
arctic science
microbial ecology
Scott Grafton
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
110
268
56,541
Neuroscience of Goal Oriented Behavior
Learning
Action
Functional Reorganization
Steven Gaines
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
109
252
50,865
Conservation Science
Marine Ecology
Marine Science
Sustainability Science
John Melack
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
108
338
49,163
Stacia Keller
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
106
496
44,980
group-III nitride crystal growth
characterization
and device applications
Yuan Xie
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
105
562
45,979
Computer Architecture
VLSI
EDA
CAD
Embedded Systems
Giovanni Vigna
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
105
259
43,254
Computer Security
Network Security
Web Security
Binary Analysis
Malware
Bruce H Lipshutz
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
105
410
39,266
Organic synthesis
green chemistry
Brenda Major
University of California Santa Barbara
Santa Barbara, United States
Metrics
H-Index
i10-Index
Citation Counts
104
185
59,950
fairness
diversity
stigma
resilience
coping with stress