Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :101
Geology
Tectonics
Structural Geology
Geochronology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
* Total i10 IndexRankings
Ranking Based On Selection :102
sensors
nanomaterials
material chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
* Total i10 IndexRankings
Ranking Based On Selection :103
Geochemistry
Rare Earth Elements
Coal
Energy
Mining
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
* Total i10 IndexRankings
Ranking Based On Selection :104
optimization
process systems engineering
water treatment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
* Total i10 IndexRankings
Ranking Based On Selection :105
well plugging
wellbore integrity
wellbore cement
methane hydrates
modeling/simulation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
* Total i10 IndexRankings
Ranking Based On Selection :106
Digital Rock Analysis
Fractured and Porous Media
Computed Tomography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
6
0.500
* Total i10 IndexRankings
Ranking Based On Selection :107
Corrosion
Electrochemistry
Scale & Corrosion Inhibitor
Impedance
Nutrient recovery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total i10 IndexRankings
Ranking Based On Selection :108
process modeling
optimization
systems engineering
cost estimation
energy systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
* Total i10 IndexRankings
Ranking Based On Selection :109
mechanical properties
mechanics
fatigue
fracture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
* Total i10 IndexRankings
Ranking Based On Selection :110
process systems engineering
energy supply chains
unconventional fuels
renewable fuels
mathematical programming
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
* Total i10 IndexRankings
Ranking Based On Selection :111
Machine Learning
Mathematical Modeling
Optimization
Geosciences
NLP
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
5
0.500
* Total i10 IndexRankings
Ranking Based On Selection :112
EOR-CO2 Storage-Unconventional
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total i10 IndexRankings
Ranking Based On Selection :113
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
* Total i10 IndexRankings
Ranking Based On Selection :114
Multiphase flow
fluidized beds
carbon capture
direct air capture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Total i10 IndexRankings
Ranking Based On Selection :115
Combustion
plasmas
detonations
laser diagnostics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Total i10 IndexRankings
Ranking Based On Selection :116
Data Science
Machine Learning
Big Data Analytics
Uncertainty characterization
GIS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Total i10 IndexRankings
Ranking Based On Selection :117
carbon management
solid sorbents
reaction kinetics
mechanism
catalysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 IndexRankings
Ranking Based On Selection :118
Structural Materials
Nuclear Materials
In-situ TEM
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
* Total i10 IndexRankings
Ranking Based On Selection :119
Electrochemical energy devices
Optical fiber sensors
Thin film deposition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 IndexRankings
Ranking Based On Selection :120
Process Systems Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
* Total i10 IndexRankings
Ranking Based On Selection :121
materials
complex fluids
viscosity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
* Total i10 IndexRankings
Ranking Based On Selection :122
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
* Total i10 IndexRankings
Ranking Based On Selection :123
Super Alloys
High Entropy Alloys
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 IndexRankings
Ranking Based On Selection :124
environmental organic geochemistry
dissolved organic matter
electrochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 IndexRankings
Ranking Based On Selection :125
Mathematical Modeling
Global Optimization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Sarah Ruth Brown
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
10
0.769
Geology
Tectonics
Structural Geology
Geochronology
James E Ellis
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
12
1.000
sensors
nanomaterials
material chemistry
Scott N Montross
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
Geochemistry
Rare Earth Elements
Coal
Energy
Mining
Tim Bartholomew
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
Eilis Jill Rosenbaum
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
8
0.667
well plugging
wellbore integrity
wellbore cement
methane hydrates
modeling/simulation
Magdalena Gill
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
6
0.500
Digital Rock Analysis
Fractured and Porous Media
Computed Tomography
Belarbi Zineb
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
Corrosion
Electrochemistry
Scale & Corrosion Inhibitor
Impedance
Nutrient recovery
Naresh Susarla
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
process modeling
optimization
systems engineering
cost estimation
energy systems
Kyle Rozman
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
Andrés J Calderón
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
process systems engineering
energy supply chains
unconventional fuels
renewable fuels
mathematical programming
Anuj Suhag
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
5
0.500
Machine Learning
Mathematical Modeling
Optimization
Geosciences
NLP
Foad Haeri
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Steven Rowan
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
Subhodeep Banerjee
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
Multiphase flow
fluidized beds
carbon capture
direct air capture
Clinton Bedick
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
Jennifer R Bauer
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
Data Science
Machine Learning
Big Data Analytics
Uncertainty characterization
GIS
James C Fisher II
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
carbon management
solid sorbents
reaction kinetics
mechanism
catalysis
Chang-Yu Hung|C-Y. Hung
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Youngseok Jee
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
Electrochemical energy devices
Optical fiber sensors
Thin film deposition
Daison Yancy Caballero
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
7
0.875
Peter Hsieh
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
C Rigel Woodside
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
Saro San
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Brandon C Mcadams
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
environmental organic geochemistry
dissolved organic matter
electrochemistry
Radhakrishna Tumbalam Gooty
National Energy Technology Laboratory
Pittsburgh, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Mathematical Modeling
Global Optimization