Total 2,403,032 scientists, country 221, and institutions 24,466 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
![Rainer Schmid Fetzer](https://cdn.adscientificindex.com/pictures/84/1765491.jpg)
Materials Science & Engineering
Thermodynamics
Phase diagrams
Alloys
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
214
101
0.472
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Bernd Lehmann](https://cdn.adscientificindex.com/pictures/89/1765492.jpg)
Mineral Resources
Economic Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
200
135
0.675
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Thomas Turek](https://cdn.adscientificindex.com/pictures/80/1765497.jpg)
Chemical Reaction Engineering
Heterogeneous Catalysis
Electrochemical Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
158
115
0.728
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Joachim Deubener](https://cdn.adscientificindex.com/pictures/23/1765502.jpg)
Glass
Glass Science
Glass-Ceramics
Sol-Gel-Coatings
Enamels
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
72
0.643
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Zhengmeng Hou|Michael Zhengmeng Hou](https://cdn.adscientificindex.com/pictures/1f/1765515.jpg)
Rock Mechanics
Petroleum Engineering
Geothermal
Underground Storage of Energy and CO2
THMC
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
107
74
0.692
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Jörg P Müller](https://cdn.adscientificindex.com/pictures/13/1765493.jpg)
multi-agent systems
distributed artifical intelligence
modeling socio-technical systems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
107
22
0.206
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Sabine Beuermann](/user/assets/images/profile/no-profile-photo.png)
Polymer Chemistry
Kinetics and Mechanisms
Supercritical Carbon Dioxide
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
54
0.529
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Jürgen Dix](https://cdn.adscientificindex.com/pictures/5c/1765496.jpg)
Artificial Intelligence (symbolic)
Knowledge Representation
Logics of strategic Reasoning
Multi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
11
0.108
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Andreas Rausch](/user/assets/images/profile/no-profile-photo.png)
Software Systems Engineering
Requirements Engineering and Software Architecture
Design and Modeling
Engineering Processes
Process Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
36
0.356
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Peter E Blöchl](https://cdn.adscientificindex.com/pictures/f3/1765490.jpg)
theoretical physics
material science
theoretical chemistry
condensed matter theory
ab-initio simulations
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
48
0.480
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Dieter E Kaufmann](https://cdn.adscientificindex.com/pictures/11/1765500.jpg)
Organic Chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
91
20
0.220
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Roman Weber](https://cdn.adscientificindex.com/pictures/8a/1765495.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
89
47
0.528
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Harald Schmidt](https://cdn.adscientificindex.com/pictures/0f/1765513.jpg)
Materials Science
Materials Physics
Diffusion
Solid State Kinetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
43
0.506
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Jürgen Heinrich](/user/assets/images/profile/no-profile-photo.png)
Keramik
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
30
0.353
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Ulrich Kunz](https://cdn.adscientificindex.com/pictures/6b/1765501.jpg)
Chemie
Chemieingenieurwesen
Elektronik
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
42
0.506
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Heinz Palkowski](https://cdn.adscientificindex.com/pictures/ba/1765520.jpg)
material science and technology
processing
metals
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
57
0.695
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Sven Hartmann](/user/assets/images/profile/no-profile-photo.png)
Databases
Artificial Intelligence
Big Data
Conceptual Modeling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
27
0.329
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Stefan Hartmann](https://cdn.adscientificindex.com/pictures/74/1765507.jpg)
Computational Mechanics
Continuum Mechanics
Material Parameter Identification
Constitutive Modeling
Experimental Mechanics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
43
0.581
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Daniel Schaadt](https://cdn.adscientificindex.com/pictures/bc/1765503.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
14
0.226
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Leonhard Ganzer](https://cdn.adscientificindex.com/pictures/80/1765536.jpg)
Petroleum Engineering
Underground Gas storage
CCS/CCUS
Geothermal Engineering
Hydrogen storage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
45
0.738
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Oliver Höfft](/user/assets/images/profile/no-profile-photo.png)
Surface Science
Plasma
Electrochemistry
Ionic Liquids
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
29
0.475
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Christian Rembe](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
26
0.448
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Weller A](/user/assets/images/profile/no-profile-photo.png)
Geophysik
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
32
0.571
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Goldmann](/user/assets/images/profile/no-profile-photo.png)
Recycling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
38
0.704
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Joachim Schachtner](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
28
0.519
Rainer Schmid Fetzer
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
214
101
0.472
Materials Science & Engineering
Thermodynamics
Phase diagrams
Alloys
Bernd Lehmann
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
200
135
0.675
Mineral Resources
Economic Geology
Thomas Turek
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
158
115
0.728
Chemical Reaction Engineering
Heterogeneous Catalysis
Electrochemical Engineering
Joachim Deubener
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
72
0.643
Zhengmeng Hou|Michael Zhengmeng Hou
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
107
74
0.692
Rock Mechanics
Petroleum Engineering
Geothermal
Underground Storage of Energy and CO2
THMC
Jörg P Müller
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
107
22
0.206
multi-agent systems
distributed artifical intelligence
modeling socio-technical systems
Sabine Beuermann
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
54
0.529
Polymer Chemistry
Kinetics and Mechanisms
Supercritical Carbon Dioxide
Jürgen Dix
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
102
11
0.108
Artificial Intelligence (symbolic)
Knowledge Representation
Logics of strategic Reasoning
Multi
Andreas Rausch
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
101
36
0.356
Software Systems Engineering
Requirements Engineering and Software Architecture
Design and Modeling
Engineering Processes
Process Management
Peter E Blöchl
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
48
0.480
theoretical physics
material science
theoretical chemistry
condensed matter theory
ab-initio simulations
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Dieter E Kaufmann
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
91
20
0.220
Roman Weber
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
89
47
0.528
Harald Schmidt
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
43
0.506
Materials Science
Materials Physics
Diffusion
Solid State Kinetics
Jürgen Heinrich
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
30
0.353
Ulrich Kunz
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
42
0.506
Chemie
Chemieingenieurwesen
Elektronik
Heinz Palkowski
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
57
0.695
material science and technology
processing
metals
Sven Hartmann
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
82
27
0.329
Databases
Artificial Intelligence
Big Data
Conceptual Modeling
Stefan Hartmann
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
43
0.581
Computational Mechanics
Continuum Mechanics
Material Parameter Identification
Constitutive Modeling
Experimental Mechanics
Daniel Schaadt
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
14
0.226
Leonhard Ganzer
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
45
0.738
Petroleum Engineering
Underground Gas storage
CCS/CCUS
Geothermal Engineering
Hydrogen storage
Oliver Höfft
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
29
0.475
Christian Rembe
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
26
0.448
Weller A
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
32
0.571
Goldmann
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
38
0.704
Joachim Schachtner
Technische Universität Clausthal
Clausthal-Zellerfeld, Germany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
28
0.519