2026 Andreas Klein: Materials Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Materials Science	68	4810	4656	284	274	372	18372

Overview

Andreas Klein is affiliated with the Technical University of Darmstadt in Germany and focuses their research primarily within the field of Materials Science. Their work delves deeply into subfields such as Materials Chemistry, Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, Polymers and Plastics, and Renewable Energy, Sustainability and the Environment.

Their scholarly contributions cover a range of topics, highlighting several key areas of expertise:

Electronic and Structural Properties of Oxides
Ferroelectric and Piezoelectric Materials
ZnO doping and properties
Multiferroics and related materials
Copper-based nanomaterials and applications
Gas Sensing Nanomaterials and Sensors
Advanced Condensed Matter Physics

Klein has published frequently with coauthors including Binxiang Huang, Jurij Koruza, Wolfram Jaegermann, Karsten Albe, and Kim Alexander Creutz. Their research has been presented in several notable venues. The most frequent publication platforms include Physical Review Materials, Technischen Universität Darmstadt proceedings, European Journal of International Management, Chemistry of Materials, and Journal of Electroceramics.

Representative research papers authored or coauthored by Klein include:

The Fermi energy as common parameter to describe charge compensation mechanisms: A path to Fermi level engineering of oxide electroceramics, 2023, Journal of Electroceramics
Tailoring high-energy storage NaNbO3-based materials from antiferroelectric to relaxor states, 2023, Nature Communications
Discontinuation versus continuation of renin-angiotensin-system inhibitors in COVID-19 (ACEI-COVID): a prospective, parallel group, randomised, controlled, open-label trial, 2021, The Lancet Respiratory Medicine
Design of Lead-Free Antiferroelectric (1 - x)NaNbO₃-xSrSnO₃ Compositions Guided by First-Principles Calculations, 2020, Chemistry of Materials
Pinning of the Fermi Level in CuFeO₂ by Polaron Formation Limiting the Photovoltage for Photochemical Water Splitting, 2020, Advanced Functional Materials

Best Publications

Transparent conductive zinc oxide : basics and applications in thin film solar cells

Klaus Ellmer;Andreas Klein;Bernd Rech

999
Citations
Nature of the Band Gap of In2O3 Revealed by First-Principles Calculations and X-Ray Spectroscopy

Aron Walsh;Juarez L.F. Da Silva;Su Huai Wei;C. Körber

821
Citations
Transparent Conducting Oxides for Photovoltaics: Manipulation of Fermi Level, Work Function and Energy Band Alignment

Andreas Klein;Christoph Körber;André Wachau;Frank Säuberlich

816
Citations
Transparent Conductive Zinc Oxide

Klaus Ellmer;Andreas Klein;Bernd Rech

810
Citations
First-principles study of intrinsic point defects in ZnO: Role of band structure, volume relaxation, and finite-size effects

Paul Erhart;Karsten Albe;Andreas Klein

687
Citations
ZnO and Its Applications

K. Ellmer;Andreas Klein

677
Citations
Enhanced specific grain boundary conductivity in nanocrystalline Y2O3-stabilized zirconia

P Mondal;A Klein;W Jaegermann;H Hahn

271
Citations
Energy Band Alignment between Anatase and Rutile TiO2

Verena Pfeifer;Paul Erhart;Shunyi Li;Karsten Rachut

271
Citations
Band structure of indium oxide: Indirect versus direct band gap

Paul Erhart;Andreas Klein;Russell G. Egdell;Karsten Albe

268
Citations
Surface states, surface potentials, and segregation at surfaces of tin-doped In2O3

Yvonne Gassenbauer;Robert Schafranek;Andreas Klein;Spiros Zafeiratos

257
Citations
First-principles study of the structure and stability of oxygen defects in zinc oxide

Paul Erhart;Andreas Klein;Karsten Albe

241
Citations
Electronic band structure of single-crystal and single-layer WS 2 : Influence of interlayer van der Waals interactions

Andreas Klein;S. Tiefenbacher;V. Eyert;C. Pettenkofer

232
Citations
Interface properties and band alignment of Cu2S/CdS thin film solar cells

Guangming Liu;T. Schulmeyer;J. Brötz;A. Klein

230
Citations
The Work Function of TiO2

Shun Kashiwaya;Jan Morasch;Verena Streibel;Thierry Toupance

224
Citations
Electronic properties of In2O3 surfaces

Andreas Klein

208
Citations
Energy band alignment at interfaces of semiconducting oxides: A review of experimental determination using photoelectron spectroscopy and comparison with theoretical predictions by the electron affinity rule, charge neutrality levels, and the common anion rule

Andreas Klein

206
Citations
Surface potentials of magnetron sputtered transparent conducting oxides

Andreas Klein;C. Körber;A. Wachau;F. Säuberlich

196
Citations
Preparation of RuO2/TiO2 Mesoporous Heterostructures and Rationalization of Their Enhanced Photocatalytic Properties by Band Alignment Investigations

Md. Tamez Uddin;Yohann Nicolas;Céline Olivier;Thierry Toupance

194
Citations
Transparent Conducting Oxides: Electronic Structure–Property Relationship from Photoelectron Spectroscopy with in situ Sample Preparation

Andreas Klein

180
Citations
Limitation of Fermi level shifts by polaron defect states in hematite photoelectrodes

Christian Lohaus;Andreas Klein;Wolfram Jaegermann

171
Citations
Surface versus bulk electronic/defect structures of transparent conducting oxides: I. Indium oxide and ITO

S. P. Harvey;T. O. Mason;Y. Gassenbauer;R. Schafranek

168
Citations
Efficiency limitations of thermally evaporated thin-film SnS solar cells

A. Schneikart;H. J. Schimper;Andreas Klein;W. Jaegermann

162
Citations