S. Einfeldt

7.4k total citations · 1 hit paper
231 papers, 5.7k citations indexed

About

S. Einfeldt is a scholar working on Condensed Matter Physics, Electrical and Electronic Engineering and Electronic, Optical and Magnetic Materials. According to data from OpenAlex, S. Einfeldt has authored 231 papers receiving a total of 5.7k indexed citations (citations by other indexed papers that have themselves been cited), including 199 papers in Condensed Matter Physics, 99 papers in Electrical and Electronic Engineering and 87 papers in Electronic, Optical and Magnetic Materials. Recurrent topics in S. Einfeldt's work include GaN-based semiconductor devices and materials (199 papers), Ga2O3 and related materials (86 papers) and Semiconductor Quantum Structures and Devices (63 papers). S. Einfeldt is often cited by papers focused on GaN-based semiconductor devices and materials (199 papers), Ga2O3 and related materials (86 papers) and Semiconductor Quantum Structures and Devices (63 papers). S. Einfeldt collaborates with scholars based in Germany, United States and Italy. S. Einfeldt's co-authors include D. Hommel, H. Heinke, Michael Kneissl, M. Weyers, S. Figge, A. Knauer, T. Böttcher, V. Kirchner, Tim Kolbe and V. Kueller and has published in prestigious journals such as Physical review. B, Condensed matter, Applied Physics Letters and Journal of Applied Physics.

In The Last Decade

S. Einfeldt

226 papers receiving 5.5k citations

Hit Papers

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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.

Advances in group III-nitride-based deep UV light-emitting diode technology

2010 571 citations Michael Kneissl, Tim Kolbe et al. Semiconductor Science and Technology profile →

Peers

Countries citing papers authored by S. Einfeldt

Since Specialization

Citations

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

Fields of papers citing papers by S. Einfeldt

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of S. Einfeldt

This figure shows the co-authorship network connecting the top 25 collaborators of S. Einfeldt. A scholar is included among the top collaborators of S. Einfeldt 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 S. Einfeldt. S. Einfeldt is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Analysis of the External Quantum Efficiency of 233 nm Far‐Ultraviolet‐C‐Light Emitting Diodes with Distributed Polarization Doped p ‐AlGaN‐Layers 2025 ·physica status solidi (RRL) - Rapid Research Letters ·(unknown), Tim Kolbe, (unknown), Martin Guttmann, Sylvia Hagedorn, Jens Raß, S. Einfeldt, M. Weyers, Tim Wernicke, Michael Kneissl	0
2	Effect of quantum well number on the efficiency and degradation of AlGaN-based far-UVC LEDs emitting at 233 nm and 226 nm 2025 ·Semiconductor Science and Technology ·(unknown), Jan Ruschel, Hyun Kyong Cho, Jens Raß, (unknown), (unknown), S. Einfeldt, Michael Kneissl	1
3	Far-UVC micro-LED arrays for efficient light extraction and fiber coupling 2025 ·Applied Physics Letters ·Jens Raß, Martin Guttmann, Hyun Kyong Cho, Jan Ruschel, Tim Kolbe, (unknown), (unknown), S. Einfeldt	0
4	The effect of supplemental LED lighting in the range of UV, blue, and red wavelengths at different ratios on the accumulation of phenolic compounds in pak choi and swiss chard 2024 ·Food Research International ·(unknown), (unknown), S. Einfeldt, Melanie Wiesner‐Reinhold, Monika Schreiner, Susanne Neugart	2
5	226 nm Far‐Ultraviolet‐C Light Emitting Diodes with an Emission Power over 2 mW 2024 ·physica status solidi (RRL) - Rapid Research Letters ·Tim Kolbe, Hyun Kyong Cho, Sylvia Hagedorn, Jens Raß, Jan Ruschel, S. Einfeldt, M. Weyers	4
6	Spatially resolved degradation effects in UVB LEDs stressed by constant current operation 2023 ·Applied Physics Letters ·Jan Ruschel, Jens W. Tomm, Johannes Glaab, Tim Kolbe, A. Knauer, Jens Raß, Neysha Lobo‐Ploch, (unknown), S. Einfeldt	5
7	Strain induced power enhancement of far-UVC LEDs on high temperature annealed AlN templates 2023 ·Applied Physics Letters ·A. Knauer, Tim Kolbe, Sylvia Hagedorn, (unknown), Martin Guttmann, Hyun Kyong Cho, (unknown), Jan Ruschel, S. Einfeldt, Michael Kneissl, M. Weyers	23
8	Impact of Mg-doping on the performance and degradation of AlGaN-based UV-C LEDs 2023 ·Applied Physics Letters ·Francesco Piva, (unknown), (unknown), Carlo De Santi, Matteo Buffolo, Jan Ruschel, Johannes Glaab, (unknown), Martin Guttmann, (unknown), S. Einfeldt, Norman Susilo, Tim Wernicke, Michael Kneissl, Gaudenzio Meneghesso, Enrico Zanoni, Matteo Meneghini	11
9	Enhanced light extraction efficiency of UV LEDs by encapsulation with UV-transparent silicone resin 2022 ·Semiconductor Science and Technology ·(unknown), Martin Guttmann, Neysha Lobo‐Ploch, F. Gindele, Norman Susilo, A. Knauer, Tim Kolbe, Jens Raß, Sylvia Hagedorn, Hyun Kyong Cho, (unknown), Martin Feneberg, R. Goldhahn, S. Einfeldt, Tim Wernicke, M. Weyers, Michael Kneissl	3
10	Spectrally pure far-UVC emission from AlGaN-based LEDs with dielectric band pass filters 2022 ·Journal of Physics D Applied Physics ·Martin Guttmann, Neysha Lobo‐Ploch, (unknown), Frank Mehnke, Luca Sulmoni, Tim Wernicke, Hyun Kyong Cho, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), C. Maier, Olaf Brodersen, Thomas Ortlepp, U. Woggon, S. Einfeldt, Michael Kneissl	3
11	Electrical properties and microstructure of V/Al/Ni/Au contacts on n-Al_0.65Ga_0.35N:Si with different Au thicknesses and annealing temperatures 2022 ·Semiconductor Science and Technology ·Hyun Kyong Cho, Anna Mogilatenko, Norman Susilo, (unknown), (unknown), Tim Wernicke, Michael Kneissl, S. Einfeldt	11
12	Impact of operation parameters on the degradation of 233 nm AlGaN-based far-UVC LEDs 2022 ·Journal of Applied Physics ·Johannes Glaab, Jan Ruschel, (unknown), Hyun Kyong Cho, Frank Mehnke, Luca Sulmoni, Martin Guttmann, Tim Wernicke, M. Weyers, S. Einfeldt, Michael Kneissl	21
13	Low resistance n-contact for UVC LEDs by a two-step plasma etching process 2020 ·Semiconductor Science and Technology ·Hyun Kyong Cho, Ji Hye Kang, Luca Sulmoni, (unknown), (unknown), Norman Susilo, Tim Wernicke, S. Einfeldt, Michael Kneissl	18
14	Reliability of UVC LEDs fabricated on AlN/sapphire templates with different threading dislocation densities 2020 ·Applied Physics Letters ·Jan Ruschel, Johannes Glaab, Norman Susilo, Sylvia Hagedorn, Sebastian Walde, (unknown), Hyun Kyong Cho, Neysha Lobo‐Ploch, Tim Wernicke, M. Weyers, S. Einfeldt, Michael Kneissl	42
15	Degradation of (In)AlGaN-Based UVB LEDs and Migration of Hydrogen 2019 ·IEEE Photonics Technology Letters ·Johannes Glaab, Jan Ruschel, Tim Kolbe, A. Knauer, (unknown), Hyun Kyong Cho, (unknown), (unknown), S. Einfeldt, M. Weyers, Michael Kneissl	44
16	High-Current Stress of UV-B (In)AlGaN-Based LEDs: Defect-Generation and Diffusion Processes 2019 ·IEEE Transactions on Electron Devices ·(unknown), Carlo De Santi, (unknown), Francesco Piva, Johannes Glaab, Jens Raß, S. Einfeldt, Frank Mehnke, Johannes Enslin, Tim Wernicke, Michael Kneissl, Gaudenzio Meneghesso, Enrico Zanoni, Matteo Meneghini	26
17	10th order laterally coupled GaN-based DFB laser diodes with V-shaped surface gratings 2018 ·Ji Hye Kang, H. Wenzel, Veit Hoffmann, (unknown), Luca Sulmoni, S. Einfeldt, Tim Wernicke, Michael Kneissl, (unknown)	3
18	Bow Reduction of AlInGaN-Based Deep UV LED Wafers Using Focused Laser Patterning 2018 ·IEEE Photonics Technology Letters ·Hyun Kyong Cho, (unknown), Neysha Lobo‐Ploch, Jens Raß, Jan Ruschel, Tim Kolbe, (unknown), (unknown), Olaf Krüger, S. Einfeldt, M. Weyers, Michael Kneissl	4
19	Defect-Related Degradation of AlGaN-Based UV-B LEDs 2016 ·IEEE Transactions on Electron Devices ·(unknown), Matteo Meneghini, Carlo De Santi, Gaudenzio Meneghesso, Enrico Zanoni, Johannes Glaab, Jens Raß, S. Einfeldt, Frank Mehnke, Johannes Enslin, Tim Wernicke, Michael Kneissl	65
20	Top‐ and bottom‐illumination of solar‐blind AlGaN metal–semiconductor–metal photodetectors 2015 ·physica status solidi (a) ·Moritz Brendel, (unknown), A. Knauer, S. Einfeldt, Andrea Knigge, M. Weyers	12

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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