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Andreas Waag
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Journal Articles

The impact of laser lift-off with sub-ps pulses on the electrical and optical properties of InGaN/GaN light-emitting diodes

Stefan Wolter, Steffen Bornemann, Andreas Waag
Journal: Journal of Applied Physics
J. Appl. Phys. 135, 045702 (2024)
https://doi.org/10.1063/5.0181278
Published: January 2024
View article titled, The impact of laser lift-off with sub-ps pulses on the electrical and optical properties of InGaN/GaN light-emitting diodes
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Journal Articles

Parasitic AlxOyNz surface defects on high-temperature annealed AlN and their role in hillock formation

Lukas Peters, Tobias Meyer, Christoph Margenfeld, Hendrik Spende, Andreas Waag
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 112104 (2023)
https://doi.org/10.1063/5.0170006
Published: September 2023
View article titled, Parasitic Al<sub>x</sub>O<sub>y</sub>N<sub>z</sub> surface defects on high-temperature annealed AlN and their role in hillock formation
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Journal Articles

Publisher's Note: “Sublimation behavior of AlN in nitrogen and argon at conditions used for high-temperature annealing” [J. Appl. Phys. 133, 235704 (2023)]

Lukas Peters, Dmitry Sergeev, Christoph Margenfeld, Michael Müller, Andreas Waag
Journal: Journal of Applied Physics
J. Appl. Phys. 134, 069901 (2023)
https://doi.org/10.1063/5.0169530
Published: August 2023
View article titled, Publisher's Note: “Sublimation behavior of AlN in nitrogen and argon at conditions used for high-temperature annealing” [J. Appl. Phys. 133, 235704 (2023)]
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Journal Articles

Sublimation behavior of AlN in nitrogen and argon at conditions used for high-temperature annealing

Lukas Peters, Dmitry Sergeev, Christoph Margenfeld, Michael Müller, Andreas Waag
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 235704 (2023)
https://doi.org/10.1063/5.0152054
Published: June 2023
View article titled, Sublimation behavior of AlN in nitrogen and argon at conditions used for high-temperature annealing
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Journal Articles

Highly stable threshold voltage in GaN nanowire FETs: The advantages of p-GaN channel/Al2O3 gate insulator

Maria Ruzzarin, Carlo De Santi, Feng Yu, Muhammad Fahlesa Fatahilah, Klaas Strempel, Hutomo Suryo Wasisto, Andreas Waag, Gaudenzio Meneghesso, Enrico Zanoni, Matteo Meneghini
Journal: Applied Physics Letters
Appl. Phys. Lett. 117, 203501 (2020)
https://doi.org/10.1063/5.0027922
Published: November 2020
View article titled, Highly stable threshold voltage in GaN nanowire FETs: The advantages of <em>p</em>-GaN channel/Al<sub>2</sub>O<sub>3</sub> gate insulator
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Journal Articles

Publisher's Note: “Beyond solid-state lighting: Miniaturization, hybrid integration, and applications of GaN nano- and micro-LEDs” [Appl. Phys. Rev. 6 , 041315 (2019)]

Hutomo Suryo Wasisto, Joan Daniel Prades, Jan Gülink, Andreas Waag
Journal: Applied Physics Reviews
Appl. Phys. Rev. 7, 019901 (2020)
https://doi.org/10.1063/5.0005787
Published: March 2020
View article titled, Publisher's Note: “Beyond solid-state lighting: Miniaturization, hybrid integration, and applications of GaN nano- and micro-LEDs” [Appl. Phys. Rev. 6 , 041315 (2019)]
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Journal Articles

Beyond solid-state lighting: Miniaturization, hybrid integration, and applications of GaN nano- and micro-LEDs

Editor’s Pick
Hutomo Suryo Wasisto, Joan Daniel Prades, Jan Gülink, Andreas Waag
Journal: Applied Physics Reviews
Appl. Phys. Rev. 6, 041315 (2019)
https://doi.org/10.1063/1.5096322
Published: December 2019
View article titled, Beyond solid-state lighting: Miniaturization, hybrid integration, and applications of GaN nano- and micro-LEDs
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Journal Articles

Micro light plates for low-power photoactivated (gas) sensors

Nicolai Markiewicz, Olga Casals, Cristian Fabrega, Isabel Gràcia, Carles Cané, Hutomo Suryo Wasisto, Andreas Waag, Joan Daniel Prades
Journal: Applied Physics Letters
Appl. Phys. Lett. 114, 053508 (2019)
https://doi.org/10.1063/1.5078497
Published: February 2019
View article titled, Micro light plates for low-power photoactivated (gas) sensors
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Includes: Supplementary data
Journal Articles

Defect generation by nitrogen during pulsed sputter deposition of GaN

Frederik Steib, Thilo Remmele, Jan Gülink, Sönke Fündling, Alexander Behres, Hergo-Heinrich Wehmann, Martin Albrecht, Martin Straßburg, Hans-Jürgen Lugauer, Andreas Waag
Journal: Journal of Applied Physics
J. Appl. Phys. 124, 175701 (2018)
https://doi.org/10.1063/1.5037340
Published: November 2018
View article titled, Defect generation by nitrogen during pulsed sputter deposition of GaN
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Journal Articles

Zn acceptor position in GaN:Zn probed by contactless electroreflectance spectroscopy

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Łukasz Janicki, Matin Sadat Mohajerani, Jana Hartmann, Ewelina Zdanowicz, Hergo-Heinrich Wehmann, Andreas Waag, Robert Kudrawiec
Journal: Applied Physics Letters
Appl. Phys. Lett. 113, 032109 (2018)
https://doi.org/10.1063/1.5040941
Published: July 2018
View article titled, Zn acceptor position in GaN:Zn probed by contactless electroreflectance spectroscopy
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Journal Articles

Photo-assisted Kelvin probe force microscopy investigation of three dimensional GaN structures with various crystal facets, doping types, and wavelengths of illumination

Manal Ali Deeb, Johannes Ledig, Jiandong Wei, Xue Wang, Hergo-Heinrich Wehmann, Andreas Waag
Journal: Journal of Applied Physics
J. Appl. Phys. 122, 085307 (2017)
https://doi.org/10.1063/1.5000137
Published: August 2017
View article titled, Photo-assisted Kelvin probe force microscopy investigation of three dimensional GaN structures with various crystal facets, doping types, and wavelengths of illumination
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Journal Articles

Anomalous surface potential behavior observed in InN by photoassisted Kelvin probe force microscopy

Xiaoxiao Sun, Jiandong Wei, Xinqiang Wang, Ping Wang, Shunfeng Li, Andreas Waag, Mo Li, Jian Zhang, Weikun Ge, Bo Shen
Journal: Applied Physics Letters
Appl. Phys. Lett. 110, 222103 (2017)
https://doi.org/10.1063/1.4984840
Published: June 2017
View article titled, Anomalous surface potential behavior observed in InN by photoassisted Kelvin probe force microscopy
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Includes: Supplementary data
Journal Articles

Growth kinetics and mass transport mechanisms of GaN columns by selective area metal organic vapor phase epitaxy

Xue Wang, Jana Hartmann, Martin Mandl, Matin Sadat Mohajerani, Hergo-H. Wehmann, Martin Strassburg, Andreas Waag
Journal: Journal of Applied Physics
J. Appl. Phys. 115, 163104 (2014)
https://doi.org/10.1063/1.4871782
Published: April 2014
View article titled, Growth kinetics and mass transport mechanisms of GaN columns by selective area metal organic vapor phase epitaxy
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Journal Articles

Nitrogen-polar core-shell GaN light-emitting diodes grown by selective area metalorganic vapor phase epitaxy

Shunfeng Li, Xue Wang, Sönke Fündling, Milena Erenburg, Johannes Ledig, Jiandong Wei, Hergo H. Wehmann, Andreas Waag, Werner Bergbauer, Martin Mandl, Martin Strassburg, Achim Trampert, Uwe Jahn, Henning Riechert, Holger Jönen, Andreas Hangleiter
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 032103 (2012)
https://doi.org/10.1063/1.4737395
Published: July 2012
View article titled, Nitrogen-polar core-shell GaN light-emitting diodes grown by selective area metalorganic vapor phase epitaxy
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Journal Articles

GaN based nanorods for solid state lighting

Shunfeng Li, Andreas Waag
Journal: Journal of Applied Physics
J. Appl. Phys. 111, 071101 (2012)
https://doi.org/10.1063/1.3694674
Published: April 2012
View article titled, GaN based nanorods for solid state lighting
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Journal Articles

Demonstration of a ZnO/MgZnO-based one-dimensional photonic crystal multiquantum well laser

Daniel Hofstetter, Ricardo Théron, Abdel-Hamid El-Shaer, Andrey Bakin, Andreas Waag
Journal: Applied Physics Letters
Appl. Phys. Lett. 93, 101109 (2008)
https://doi.org/10.1063/1.2978203
Published: September 2008
View article titled, Demonstration of a ZnO/MgZnO-based one-dimensional photonic crystal multiquantum well laser
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Journal Articles

Demonstration of an ultraviolet ZnO-based optically pumped third order distributed feedback laser

Daniel Hofstetter, Yargo Bonetti, Fabrizio R. Giorgetta, Abdel-Hamid El-Shaer, Andrey Bakin, Andreas Waag, Rüdiger Schmidt-Grund, Mathias Schubert, Marius Grundmann
Journal: Applied Physics Letters
Appl. Phys. Lett. 91, 111108 (2007)
https://doi.org/10.1063/1.2783965
Published: September 2007
View article titled, Demonstration of an ultraviolet ZnO-based optically pumped third order distributed feedback laser
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Journal Articles

Optical Characterisation of Low‐Temperature Grown ZnO Nanorods

Chegnui Bekeny, Tobias Voss, Lars Wischmeier, Jürgen Gutowski, Bianca Postels, Marc Kreye, Andreas Waag
Journal: AIP Conference Proceedings
AIP Conf. Proc. 893, 289–290 (2007)
https://doi.org/10.1063/1.2729881
Published: April 2007
View article titled, Optical Characterisation of Low‐Temperature Grown ZnO Nanorods
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Journal Articles

Origin of the near-band-edge photoluminescence emission in aqueous chemically grown ZnO nanorods

Chegnui Bekeny, Tobias Voss, Houcem Gafsi, Jürgen Gutowski, Bianca Postels, Marc Kreye, Andreas Waag
Journal: Journal of Applied Physics
J. Appl. Phys. 100, 104317 (2006)
https://doi.org/10.1063/1.2390548
Published: November 2006
View article titled, Origin of the near-band-edge photoluminescence emission in aqueous chemically grown ZnO nanorods
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