Total 2,424,675 scientists, country 221, and institutions 24,468 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
![Irudhayaraj Johnson](https://cdn.adscientificindex.com/pictures/28/354542.jpg)
Chemical Physics
Material Science
Nano Materials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
* Total i10 IndexRankings
Ranking Based On Selection: 2
![H Joy Prabu](https://cdn.adscientificindex.com/pictures/86/4705588.jpg)
Nanomaterial Synthesis
2D Nanomaterials
CO2 capture and conversion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection: 3
![A Alexandar](https://cdn.adscientificindex.com/pictures/93/4789240.jpg)
Crystal Growth
Nanomaterials
Nonlinear Optics
Solar cell
X-ray Diffraction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Antony Raj](https://cdn.adscientificindex.com/pictures/c8/4705383.jpg)
Terahertz materials
Laser technology
nanoscience
stilbazolium crystals
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Christuraj Paul](https://cdn.adscientificindex.com/pictures/e4/4827691.jpg)
Crystal Growth
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 6
![S Lourduraj](https://cdn.adscientificindex.com/pictures/31/4827705.jpg)
Thin Film Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333
Irudhayaraj Johnson
Saint Joseph's College Tiruchirapalli
Tiruchirappalli, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
Chemical Physics
Material Science
Nano Materials
H Joy Prabu
Saint Joseph's College Tiruchirapalli
Tiruchirappalli, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Nanomaterial Synthesis
2D Nanomaterials
CO2 capture and conversion
A Alexandar
Saint Joseph's College Tiruchirapalli
Tiruchirappalli, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
Crystal Growth
Nanomaterials
Nonlinear Optics
Solar cell
X-ray Diffraction
Antony Raj
Saint Joseph's College Tiruchirapalli
Tiruchirappalli, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Terahertz materials
Laser technology
nanoscience
stilbazolium crystals
Christuraj Paul
Saint Joseph's College Tiruchirapalli
Tiruchirappalli, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
S Lourduraj
Saint Joseph's College Tiruchirapalli
Tiruchirappalli, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
1
0.333