Degradation effects of the active region in UV-C light-emitting diodes
Glaab, Johannes, Haefke, Joscha, Ruschel, Jan, Brendel, Moritz, Rass, Jens, Kolbe, Tim, Knauer, Arne, Weyers, Markus, Einfeldt, Sven, Guttmann, Martin, Kuhn, Christian, Enslin, Johannes, Wernicke, Tim, Kneissl, Michael
Published in Journal of applied physics (14.03.2018)
Published in Journal of applied physics (14.03.2018)
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Journal Article
High power UVB light emitting diodes with optimized n-AlGaN contact layers
Knauer, Arne, Kolbe, Tim, Rass, Jens, Cho, Hyun Kyong, Netzel, Carsten, Hagedorn, Sylvia, Lobo-Ploch, Neysha, Jan Ruschel, Glaab, Johannes, Einfeldt, Sven, Weyers, Markus
Published in Japanese Journal of Applied Physics (01.06.2019)
Published in Japanese Journal of Applied Physics (01.06.2019)
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Journal Article
Degradation behavior of AlGaN-based 233 nm deep-ultraviolet light emitting diodes
Glaab, Johannes, Ruschel, Jan, Mehnke, Frank, Lapeyrade, Mickael, Guttmann, Martin, Wernicke, Tim, Weyers, Markus, Einfeldt, Sven, Kneissl, Michael
Published in Semiconductor science and technology (20.08.2018)
Published in Semiconductor science and technology (20.08.2018)
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Journal Article
Impact of Insulators and Their Deposition Method on the Reliability of AlInGaN-Based UVB LEDs
Rass, Jens, Ruschel, Jan, Glaab, Johannes, Ostermay, Ina, Einfeldt, Sven
Published in IEEE photonics technology letters (15.08.2020)
Published in IEEE photonics technology letters (15.08.2020)
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Journal Article
The 2020 UV emitter roadmap
Amano, Hiroshi, Collazo, Ramón, Santi, Carlo De, Einfeldt, Sven, Funato, Mitsuru, Glaab, Johannes, Hagedorn, Sylvia, Hirano, Akira, Hirayama, Hideki, Ishii, Ryota, Kashima, Yukio, Kawakami, Yoichi, Kirste, Ronny, Kneissl, Michael, Martin, Robert, Mehnke, Frank, Meneghini, Matteo, Ougazzaden, Abdallah, Parbrook, Peter J, Rajan, Siddharth, Reddy, Pramod, Römer, Friedhard, Ruschel, Jan, Sarkar, Biplab, Scholz, Ferdinand, Schowalter, Leo J, Shields, Philip, Sitar, Zlatko, Sulmoni, Luca, Wang, Tao, Wernicke, Tim, Weyers, Markus, Witzigmann, Bernd, Wu, Yuh-Renn, Wunderer, Thomas, Zhang, Yuewei
Published in Journal of physics. D, Applied physics (09.12.2020)
Published in Journal of physics. D, Applied physics (09.12.2020)
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Journal Article
Enhanced light extraction efficiency of far-ultraviolet-C LEDs by micro-LED array design
Rass, Jens, Cho, Hyun Kyong, Guttmann, Martin, Prasai, Deepak, Ruschel, Jan, Kolbe, Tim, Einfeldt, Sven
Published in Applied physics letters (26.06.2023)
Published in Applied physics letters (26.06.2023)
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Journal Article
234 nm far-ultraviolet-C light-emitting diodes with polarization-doped hole injection layer
Kolbe, Tim, Knauer, Arne, Rass, Jens, Cho, Hyun Kyong, Hagedorn, Sylvia, Bilchenko, Fedir, Muhin, Anton, Ruschel, Jan, Kneissl, Michael, Einfeldt, Sven, Weyers, Markus
Published in Applied physics letters (09.05.2023)
Published in Applied physics letters (09.05.2023)
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Journal Article
Effect of the AlGaN Multi‐Quantum Well Growth Temperature on the Efficiency of Metal‐Organic Vapor‐Phase Epitaxy‐Grown Far‐Ultraviolet‐C Light‐Emitting Diodes Emitting near 235 nm
Schilling, Marcel, Susilo, Norman, Muhin, Anton, Cardinali, Giulia, Ruschel, Jan, Cho, Hyun Kyong, Rass, Jens, Höpfner, Jakob, Wernicke, Tim, Einfeldt, Sven, Kneissl, Michael
Published in Physica status solidi. A, Applications and materials science (12.08.2024)
Published in Physica status solidi. A, Applications and materials science (12.08.2024)
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Journal Article
Influence of the hydrogen level in (InAlGa)N-based laser diodes on the stability of the device's operating voltage
Freier, Erik, Glaab, Johannes, Ruschel, Jan, Hoffmann, Veit, Kang, Ji Hye, Norman-Reiner, Maria, Wenzel, Hans, Kneissl, Michael, Einfeldt, Sven
Published in Journal of physics. D, Applied physics (01.04.2021)
Published in Journal of physics. D, Applied physics (01.04.2021)
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Journal Article
Spatially resolved degradation effects in UVB LEDs stressed by constant current operation
Ruschel, Jan, Tomm, Jens W., Glaab, Johannes, Kolbe, Tim, Knauer, Arne, Rass, Jens, Lobo-Ploch, Neysha, Musengezi, Tamukanashe A., Einfeldt, Sven
Published in Applied physics letters (27.03.2023)
Published in Applied physics letters (27.03.2023)
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Journal Article
Comparison of Ultraviolet B Light‐Emitting Diodes with Single or Triple Quantum Wells
Kolbe, Tim, Knauer, Arne, Ruschel, Jan, Rass, Jens, Kyong Cho, Hyun, Hagedorn, Sylvia, Glaab, Johannes, Lobo Ploch, Neysha, Einfeldt, Sven, Weyers, Markus
Published in Physica status solidi. A, Applications and materials science (01.07.2021)
Published in Physica status solidi. A, Applications and materials science (01.07.2021)
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Journal Article
Bow Reduction of AlInGaN-Based Deep UV LED Wafers Using Focused Laser Patterning
Cho, Hyun Kyong, Kulberg, Alex, Lobo Ploch, Neysha, Rass, Jens, Ruschel, Jan, Kolbe, Tim, Knauer, Ana, Braun, Andrea, Kruger, Olaf, Einfeldt, Sven, Weyers, Markus, Kneissl, Michael
Published in IEEE photonics technology letters (15.10.2018)
Published in IEEE photonics technology letters (15.10.2018)
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Journal Article
Stress and psychosocial adaptation in mothers of children with attention deficit hyperactivity disorder / Estresse e adaptação psicossocial em mães de crianças com transtorno de déficit de atenção/hiperatividade
Andressa Henke Bellé, Ana Cristina Andreazza, Jan Ruschel, Cleonice Alves Bosa
Published in Psicologia, reflexão e crítica (01.01.2009)
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Published in Psicologia, reflexão e crítica (01.01.2009)
Journal Article
Estresse e adaptação psicossocial em mães de crianças com transtorno de déficit de atenção/hiperatividade Stress and psychosocial adaptation in mothers of children with attention deficit hyperactivity disorder
Andressa Henke Bellé, Ana Cristina Andreazza, Jan Ruschel, Cleonice Alves Bosa
Published in Psicologia, reflexão e crítica (01.01.2009)
Published in Psicologia, reflexão e crítica (01.01.2009)
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Journal Article