Andreas Klein

14.8k total citations · 2 hit papers
377 papers, 12.3k citations indexed

About

Andreas Klein is a scholar working on Materials Chemistry, Electrical and Electronic Engineering and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Andreas Klein has authored 377 papers receiving a total of 12.3k indexed citations (citations by other indexed papers that have themselves been cited), including 267 papers in Materials Chemistry, 250 papers in Electrical and Electronic Engineering and 74 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Andreas Klein's work include Chalcogenide Semiconductor Thin Films (110 papers), Electronic and Structural Properties of Oxides (85 papers) and ZnO doping and properties (84 papers). Andreas Klein is often cited by papers focused on Chalcogenide Semiconductor Thin Films (110 papers), Electronic and Structural Properties of Oxides (85 papers) and ZnO doping and properties (84 papers). Andreas Klein collaborates with scholars based in Germany, United States and France. Andreas Klein's co-authors include Wolfram Jaegermann, Karsten Albe, Paul Erhart, Y. Gassenbauer, Christoph Körber, K. Ellmer, Robert Schafranek, Bernd Rech, C. Pettenkofer and Joachim Brötz and has published in prestigious journals such as Science, Journal of the American Chemical Society and Physical Review Letters.

In The Last Decade

Andreas Klein

366 papers receiving 12.0k citations

Hit Papers

Nature of the Band Gap ofIn2O3Revealed by First-Principle... 2007 2026 2013 2019 2008 2007 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Nature of the Band Gap ofIn2O3Revealed by First-Principles Calculations and X-Ray Spectroscopy
    2008 580 citations Aron Walsh, Juarez L. F. Da Silva et al. profile →
  2. Transparent Conductive Zinc Oxide
    2007 545 citations Andreas Klein et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Andreas Klein Germany 54 9.5k 8.0k 2.0k 1.6k 1.4k 377 12.3k
Jian Zhou China 57 10.2k 1.1× 5.2k 0.7× 1.7k 0.8× 2.8k 1.8× 838 0.6× 375 13.2k
Yingchun Cheng China 53 9.0k 0.9× 7.0k 0.9× 1.7k 0.8× 1.2k 0.8× 2.0k 1.4× 256 12.2k
Yucheng Lan United States 46 13.8k 1.5× 5.6k 0.7× 3.0k 1.5× 1.5k 1.0× 1.5k 1.1× 158 16.3k
Richard G. Hennig United States 59 10.3k 1.1× 4.5k 0.6× 1.8k 0.9× 2.1k 1.3× 1.8k 1.3× 196 13.0k
Christian Kübel Germany 55 7.2k 0.8× 4.1k 0.5× 1.8k 0.9× 1.3k 0.8× 762 0.5× 331 12.5k
Rolf Erni Switzerland 52 8.7k 0.9× 4.9k 0.6× 2.2k 1.1× 1.6k 1.0× 1.8k 1.2× 263 13.4k
Jamie H. Warner United Kingdom 72 15.4k 1.6× 8.6k 1.1× 1.9k 1.0× 2.9k 1.8× 2.0k 1.4× 385 19.8k
Miyoung Kim South Korea 50 6.0k 0.6× 5.1k 0.6× 2.7k 1.3× 845 0.5× 1.3k 0.9× 392 10.9k
Vidvuds Ozoliņš United States 60 9.1k 1.0× 4.3k 0.5× 2.6k 1.3× 746 0.5× 2.0k 1.4× 146 13.0k
Hyeonsik Cheong South Korea 57 10.0k 1.1× 7.0k 0.9× 2.2k 1.1× 852 0.5× 2.7k 1.9× 449 14.1k

Countries citing papers authored by Andreas Klein

Since Specialization
Citations

This map shows the geographic impact of Andreas Klein's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Andreas Klein with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Andreas Klein more than expected).

Fields of papers citing papers by Andreas Klein

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andreas Klein. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Andreas Klein. The network helps show where Andreas Klein may publish in the future.

Co-authorship network of co-authors of Andreas Klein

This figure shows the co-authorship network connecting the top 25 collaborators of Andreas Klein. A scholar is included among the top collaborators of Andreas Klein based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Andreas Klein. Andreas Klein is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Klein, Andreas, et al.. (2025). The physics of defect chemistry and the chemistry of defect physics. Physical Chemistry Chemical Physics. 27(13). 6390–6399. 2 indexed citations
2.
Zhang, Cheng, et al.. (2024). Defect Engineering in Composition and Valence Band Center of Y2(YxRu1–x)2O7−δ Pyrochlore Electrocatalysts for Oxygen Evolution Reaction. Journal of the American Chemical Society. 146(27). 18524–18534. 14 indexed citations
3.
Klein, Andreas, et al.. (2024). Unravelling the doping mechanism and origin of carrier limitation in Ti-doped In2O3 films. Journal of Applied Physics. 135(1). 7 indexed citations
4.
Gàzquez, Jaume, et al.. (2023). Band Alignment and Photoresponse of LaFeO3-Based Heterojunctions. Physical Review Applied. 19(2). 2 indexed citations
5.
Medvedeva, Julia E., Piero Torelli, Anita Guarino, et al.. (2022). Structure and electronic properties of amorphous strontium titanate. Physical Review Materials. 6(7). 6 indexed citations
6.
Koruza, Jurij, et al.. (2021). Electroceramics XVII - The 2020 virtual conference experience at TU Darmstadt. Open Ceramics. 6. 100114–100114. 2 indexed citations
7.
8.
Hermans, Yannick, Andreas Klein, Muhammad N. Huda, et al.. (2020). Pinning of the Fermi Level in CuFeO2 by Polaron Formation Limiting the Photovoltage for Photochemical Water Splitting. Advanced Functional Materials. 30(10). 52 indexed citations
9.
Hermans, Yannick, Sebastián Murcia‐López, Andreas Klein, & Wolfram Jaegermann. (2019). BiVO4 Surface Reduction upon Water Exposure. ACS Energy Letters. 4(10). 2522–2528. 28 indexed citations
10.
Hermans, Yannick, Sebastián Murcia‐López, Andreas Klein, et al.. (2019). Analysis of the interfacial characteristics of BiVO4/metal oxide heterostructures and its implication on their junction properties. Physical Chemistry Chemical Physics. 21(9). 5086–5096. 57 indexed citations
11.
Müller, Simon, et al.. (2019). Calculation of thermodynamic equilibria with the predictive electrolyte model COSMO-RS-ES: Improvements for low permittivity systems. Fluid Phase Equilibria. 506. 112368–112368. 23 indexed citations
12.
13.
Beule, Jan De, Andreas Klein, Klaus Metsch, & Leo Storme. (2008). Partial ovoids and partial spreads in finite classical polar spaces. Ghent University Academic Bibliography (Ghent University). 7 indexed citations
14.
Walsh, Aron, Juarez L. F. Da Silva, Su‐Huai Wei, et al.. (2008). Nature of the bandgap in In 2 O 3 revealed by first-principles calculations and X-ray spectroscopy. APS. 1 indexed citations
15.
Ágoston, Péter, Andreas Klein, & Karsten Albe. (2007). The band structure of indium oxide: indirect vs. direct band gap. 42(4). 1 indexed citations
16.
Klein, Andreas & Martin Kutrib. (2003). Fast one-way cellular automata. Theoretical Computer Science. 295(1-3). 233–250. 1 indexed citations
17.
18.
Klein, Andreas, et al.. (2002). Apparatus and a procedure to calibrate coordinate measuring arms. 48(1). 17–32. 12 indexed citations
19.
Klein, Andreas, et al.. (1998). Modeling and Design Optimization of a Novel Micropump. TechConnect Briefs. 506–511. 9 indexed citations
20.
Klein, Andreas, et al.. (1995). Two Approaches to Coupled Simulation of Complex Microsystems.. 639–644. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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