Karl Engl

783 total citations
20 papers, 659 citations indexed

About

Karl Engl is a scholar working on Condensed Matter Physics, Electrical and Electronic Engineering and Mechanics of Materials. According to data from OpenAlex, Karl Engl has authored 20 papers receiving a total of 659 indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Condensed Matter Physics, 11 papers in Electrical and Electronic Engineering and 7 papers in Mechanics of Materials. Recurrent topics in Karl Engl's work include GaN-based semiconductor devices and materials (18 papers), Semiconductor materials and devices (7 papers) and Metal and Thin Film Mechanics (7 papers). Karl Engl is often cited by papers focused on GaN-based semiconductor devices and materials (18 papers), Semiconductor materials and devices (7 papers) and Metal and Thin Film Mechanics (7 papers). Karl Engl collaborates with scholars based in Germany, United States and Belgium. Karl Engl's co-authors include W. Wegscheider, Marco Schowalter, Andreas Rosenauer, J. Zweck, Knut Müller‐Caspary, Adrian Avramescu, Stephan Lutgen, Katharina Gries, Berthold Hahn and A. Pretorius and has published in prestigious journals such as Applied Physics Letters, Journal of Applied Physics and Journal of Physics Condensed Matter.

In The Last Decade

Karl Engl

20 papers receiving 645 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Karl Engl Germany 10 378 262 241 200 154 20 659
Thorsten Mehrtens Germany 16 207 0.5× 265 1.0× 257 1.1× 237 1.2× 128 0.8× 43 741
Yasutoshi Kotaka Japan 20 320 0.8× 208 0.8× 180 0.7× 363 1.8× 301 2.0× 51 835
Thibaud Denneulin Germany 19 189 0.5× 355 1.4× 507 2.1× 385 1.9× 326 2.1× 50 1.0k
Ines Pietzonka Germany 14 395 1.0× 419 1.6× 433 1.8× 199 1.0× 109 0.7× 56 726
Thomas Wunderer Germany 21 1.0k 2.7× 263 1.0× 403 1.7× 535 2.7× 525 3.4× 49 1.2k
K. Koike Japan 15 168 0.4× 84 0.3× 423 1.8× 160 0.8× 213 1.4× 42 618
M. Jałochowski Poland 18 166 0.4× 263 1.0× 769 3.2× 310 1.6× 113 0.7× 74 969
Rantej Bali Germany 15 191 0.5× 138 0.5× 332 1.4× 232 1.2× 198 1.3× 48 606
V. P. LaBella United States 19 145 0.4× 560 2.1× 874 3.6× 488 2.4× 125 0.8× 63 1.1k
H. Matsuyama Japan 13 149 0.4× 107 0.4× 373 1.5× 155 0.8× 231 1.5× 41 501

Countries citing papers authored by Karl Engl

Since Specialization
Citations

This map shows the geographic impact of Karl Engl'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 Karl Engl with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Karl Engl more than expected).

Fields of papers citing papers by Karl Engl

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karl Engl. 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 Karl Engl. The network helps show where Karl Engl may publish in the future.

Co-authorship network of co-authors of Karl Engl

This figure shows the co-authorship network connecting the top 25 collaborators of Karl Engl. A scholar is included among the top collaborators of Karl Engl 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 Karl Engl. Karl Engl 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.
Grieb, Tim, Florian F. Krause, Knut Müller‐Caspary, et al.. (2022). Angle-dependence of ADF-STEM intensities for chemical analysis of InGaN/GaN. Ultramicroscopy. 238(2). 113535–113535. 4 indexed citations
2.
Krause, Florian F., Darius Tytko, Pyuck‐Pa Choi, et al.. (2015). Homogeneity and composition of AlInGaN: A multiprobe nanostructure study. Ultramicroscopy. 156. 29–36. 13 indexed citations
3.
Hahn, Berthold, Bastian Galler, & Karl Engl. (2014). Development of high-efficiency and high-power vertical light emitting diodes. Japanese Journal of Applied Physics. 53(10). 100208–100208. 55 indexed citations
4.
Rosenauer, Andreas, Thorsten Mehrtens, Knut Müller‐Caspary, et al.. (2011). Composition mapping in InGaN by scanning transmission electron microscopy. Ultramicroscopy. 111(8). 1316–1327. 147 indexed citations
5.
Rosenauer, Andreas, Thorsten Mehrtens, Knut Müller‐Caspary, et al.. (2011). 2D-composition mapping in InGaN without electron beam induced clustering of indium by STEM HAADF Z-contrast imaging. Journal of Physics Conference Series. 326. 12040–12040. 5 indexed citations
6.
Rosenauer, Andreas, Katharina Gries, Marco Schowalter, et al.. (2010). Measurement of composition profiles in III-nitrides by quantitative scanning transmission electron microscopy. Journal of Physics Conference Series. 209. 12009–12009. 4 indexed citations
7.
Peter, Matthias, Karl Engl, Frank Baumann, et al.. (2010). Recent Progress in High Efficiency InGaN LEDs. CMB1–CMB1. 4 indexed citations
8.
Plößl, A., J. Baur, Karl Engl, et al.. (2010). (Invited) Wafer Bonding for the Manufacture of High-Brightness and High-Efficiency Light-Emitting Diodes. ECS Transactions. 33(4). 613–624. 6 indexed citations
9.
Rosenauer, Andreas, Katharina Gries, Knut Müller‐Caspary, et al.. (2009). Measurement of specimen thickness and composition in AlxGa1-xN/GaN using high-angle annular dark field images. Ultramicroscopy. 109(9). 1171–1182. 149 indexed citations
10.
Miller, Thomas J., M. A. Haase, Xiao‐Guang Sun, et al.. (2009). High efficiency green LEDs using II-VI color converters. Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE. 7617. 76171A–76171A. 6 indexed citations
11.
Baur, J., Frank Baumann, Matthias Peter, et al.. (2009). Status of high efficiency and high power ThinGaN®‐LED development. Physica status solidi. C, Conferences and critical reviews/Physica status solidi. C, Current topics in solid state physics. 6(S2). 19 indexed citations
12.
Schwarz, Ulrich T., W. Wegscheider, R. Clos, et al.. (2006). Long range strain and electrical potential induced by single edge dislocations in GaN. Physica B Condensed Matter. 376-377. 451–454. 4 indexed citations
13.
Furitsch, Michael, Christoph Eichler, Karl Engl, et al.. (2006). Comparison of degradation mechanisms of blue‐violet laser diodes grown on SiC and GaN substrates. physica status solidi (a). 203(7). 1797–1801. 26 indexed citations
14.
Engl, Karl, Max Beer, Ulrich T. Schwarz, et al.. (2006). Influence of an in situ-deposited intermediate layer inside GaN and AlGaN layers on SiC substrates. Journal of Crystal Growth. 289(1). 6–13. 19 indexed citations
15.
Witzigmann, Bernd, Mathieu Luisier, Ulrich T. Schwarz, et al.. (2006). Microscopic analysis of optical gain in InGaN∕GaN quantum wells. Applied Physics Letters. 88(2). 56 indexed citations
16.
Wegscheider, W., et al.. (2005). Growth of crack-free GaN on Si(111) with graded AlGaN buffer layers. Journal of Crystal Growth. 276(3-4). 415–418. 112 indexed citations
17.
Engl, Karl, Ulrich T. Schwarz, W. Wegscheider, et al.. (2004). Correlation of strain, wing tilt, dislocation density, and photoluminescence in epitaxial lateral overgrown GaN on SiC substrates. Journal of Applied Physics. 96(7). 3666–3672. 23 indexed citations
18.
Engl, Karl, Ulrich T. Schwarz, J. Zweck, et al.. (2004). Strain, wing tilt and photoluminescence in epitaxial lateral overgrown GaN on SiC substrates. physica status solidi (a). 201(12). 2760–2763. 1 indexed citations
19.
Engl, Karl, Max Beer, J. Zweck, et al.. (2003). TEM Investigation on Dislocation Density Reduction by In Situ Deposited SiN Intermediate Layers in MOVPE Grown AlGaNlGaN Heterostructures on Sic and A1203 Substrates. Microscopy and Microanalysis. 9(S03). 70–71. 3 indexed citations
20.
Engl, Karl, et al.. (2002). Transition from amorphous Fe to polycrystalline body-centred-cubic Fe in Gd/Fe and Dy/Fe multilayered thin films. Journal of Physics Condensed Matter. 14(43). 10033–10040. 3 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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2026