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 :1
Astroparticle physics
Environmental physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
38
0.974
* Total i10 IndexRankings
Ranking Based On Selection :2
Atomic Collisions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
14
0.400
* Total i10 IndexRankings
Ranking Based On Selection :3
nuclear science
applications of nuclear and atomic physics
atmospheric Scince
air quality and climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
* Total i10 IndexRankings
Ranking Based On Selection :4
Condensed Matter Physics
Material Science
Water Science Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
* Total i10 IndexRankings
Ranking Based On Selection :5
materials science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
10
0.400
* Total i10 IndexRankings
Ranking Based On Selection :6
•Nuclear and Atomic Radiometrics •Radiation and Health Physics •Laser Based Analytical Methods •Chemometrics and
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
* Total i10 IndexRankings
Ranking Based On Selection :7
Thin Films
Solar energy Materials
Solar Cells
Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
15
0.682
* Total i10 IndexRankings
Ranking Based On Selection :8
Nanotechnology
Photovoltaics
Thin film Technology: Phase Change Materials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591
* Total i10 IndexRankings
Ranking Based On Selection :9
Space Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
* Total i10 IndexRankings
Ranking Based On Selection :10
materials science and renewable energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
10
0.556
* Total i10 IndexRankings
Ranking Based On Selection :11
Materials Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
* Total i10 IndexRankings
Ranking Based On Selection :12
Space Physics
Aeronomy
Geomagnetic Storms
Satellite Technology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
* Total i10 IndexRankings
Ranking Based On Selection :13
Fundamental Physics
Renewable Energy and Environmental Radiation.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total i10 IndexRankings
Ranking Based On Selection :14
Space and Astrophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
* Total i10 IndexRankings
Ranking Based On Selection :15
Nuclear & Radiation Physics
Atomic &Molecular Collisions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection :16
Material Physics
Physics of construction materials and polymer composites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
* Total i10 IndexRankings
Ranking Based On Selection :17
Materials Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
1
0.091
* Total i10 IndexRankings
Ranking Based On Selection :18
Applied/ Optical Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
* Total i10 IndexRankings
Ranking Based On Selection :19
Physics
Renewable Energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
4
0.400
* Total i10 IndexRankings
Ranking Based On Selection :20
Materials Characterization
Perovskite Solar Cells
Perovskite Light Emitting Diodes
Solar Thermal Systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
* Total i10 IndexRankings
Ranking Based On Selection :21
Material science
electronic conduction
theoretical condense matter physic
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
4
0.500
* Total i10 IndexRankings
Ranking Based On Selection :22
materials for solar energy and application
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
4
0.500
* Total i10 IndexRankings
Ranking Based On Selection :23
Solid state Physics
Solar Energy Materials
Optical properties of thin films
electrical properties of thin films
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
3
0.375
* Total i10 IndexRankings
Ranking Based On Selection :24
Nonlinear Photonics
Cavity CQED'S
Nuclear Physics
First Principle Calculations
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
* Total i10 IndexRankings
Ranking Based On Selection :25
Radiation Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
Livingstone Ochilo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
38
0.974
Astroparticle physics
Environmental physics
Chandra Shekhar Singh
Kenyatta University
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
14
0.400
Michael Gatari
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
23
0.719
nuclear science
applications of nuclear and atomic physics
atmospheric Scince
air quality and climate change
Robert Onyancha
Technical University of Kenya
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
27
1.000
Condensed Matter Physics
Material Science
Water Science Technology
Bernard Aduda
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
10
0.400
Angeyo KH
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
•Nuclear and Atomic Radiometrics •Radiation and Health Physics •Laser Based Analytical Methods •Chemometrics and
Julius Mwabora
University of Nairobi
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
15
0.682
Thin Films
Solar energy Materials
Solar Cells
Energy
Walter Njoroge
Kenyatta University
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
13
0.591
Nanotechnology
Photovoltaics
Thin film Technology: Phase Change Materials
Paul Baki
Technical University of Kenya
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
James M Ngaruiya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
10
0.556
George Amolo
Technical University of Kenya
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
Joseph Ouko Olwendo
Pwani University
Malindi Highway, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
Space Physics
Aeronomy
Geomagnetic Storms
Satellite Technology
Robert Kinyua
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
Fundamental Physics
Renewable Energy and Environmental Radiation.
Thomas Baluku
Pwani University
Malindi Highway, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
11
0.917
James Mugambi
South Eastern Kenya University
Kitui County, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Nuclear & Radiation Physics
Atomic &Molecular Collisions
Martin Riara
South Eastern Kenya University
Kitui County, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
Material Physics
Physics of construction materials and polymer composites
Mghendi Mwamburi
University of Eldoret
Eldoret, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
1
0.091
Ronald K. Rop
University of Kabianga
Kericho, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
Benjamin Victor Odari
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
4
0.400
Richard Kipyegon Koech
Moi University
Eldoret, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
Materials Characterization
Perovskite Solar Cells
Perovskite Light Emitting Diodes
Solar Thermal Systems
John Okumu
Kenyatta University
Nairobi, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
4
0.500
Material science
electronic conduction
theoretical condense matter physic
Christopher Mkirema Maghanga
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
4
0.500
Maxwell Joel Mageto
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
3
0.375
Solid state Physics
Solar Energy Materials
Optical properties of thin films
electrical properties of thin films
Calford Otieno
Kisii University
Kisii, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
Nonlinear Photonics
Cavity CQED'S
Nuclear Physics
First Principle Calculations
Matsitsi Muthama
South Eastern Kenya University
Kitui County, Kenya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000