Total 2,453,121 scientists, country 221, and institutions 24,478 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1

molecular spectroscopy
atmospheric science
astronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
634
235
0.371
* Total i10 IndexRankings
Ranking Based On Selection: 2

analytical chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
95
5
0.053
* Total i10 IndexRankings
Ranking Based On Selection: 3

Computational chemistry
Inorganic chemistry
Protein structure
Bioinorganic chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
29
0.408
* Total i10 IndexRankings
Ranking Based On Selection: 4

Organic chemistry
carbohydrate chemistry
materials science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
29
0.537
* Total i10 IndexRankings
Ranking Based On Selection: 5

Bioinorganic Chemistry
Inorganic Chemistry
Transition Metal Chemistry
Inorganic Reaction Mechanisms
and Natural Products Che
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
25
0.543
* Total i10 IndexRankings
Ranking Based On Selection: 6

chemistry
problem solving
assessment
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
10
0.556
* Total i10 IndexRankings
Ranking Based On Selection: 7

Clinical Chemistry
Analytical chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 8

Synthetic organic and inorganic chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
* Total i10 IndexRankings
Ranking Based On Selection: 9

Environmental
Biochar
Bioenergetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 10

Organic Synthesis
Medicinal chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Peter F Bernath
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
634
235
0.371
molecular spectroscopy
atmospheric science
astronomy
Thomas Isenhour
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
95
5
0.053
Craig A Bayse
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
29
0.408
Computational chemistry
Inorganic chemistry
Protein structure
Bioinorganic chemistry
Guijun Wang
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
29
0.537
Organic chemistry
carbohydrate chemistry
materials science
Alvin A Holder
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
25
0.543
Bioinorganic Chemistry
Inorganic Chemistry
Transition Metal Chemistry
Inorganic Reaction Mechanisms
and Natural Products Che
Craig W Bowen
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
10
0.556
chemistry
problem solving
assessment
Derek Waggoner
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
14
1.000
Clinical Chemistry
Analytical chemistry
Raj Kumar Gurung
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
6
0.857
Synthetic organic and inorganic chemistry
Gyanendra Kharel
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Environmental
Biochar
Bioenergetics
Pramod Aryal
Old Dominion University
Norfolk, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Organic Synthesis
Medicinal chemistry