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TU Berlin

Inhalt des Dokuments

Aktuelle Publikationen

2017 - 2018

Point-Defect Nature of the Ultraviolet Absorption Band in AlN
D. Alden, J.S. Harris, Z. Bryan, J.N. Baker, P. Reddy, S. Mita, G. Callsen, A. Hoffmann, D.L. Irving, R. Collazo, Z. Sitar
Physical Review Applied 9 (5) (2018) 054036
Paper

Correlation of the Carrier Decay Time and Barrier Thickness for Asymmetric Cubic GaN/Al0.64Ga0.26N Double Quantum Wells
T. Wecker, G. Callsen, A. Hoffmann, D. Reuter, DJ As
Physica Status Solidi B - Basic Solid State Physics 255 (5) (2018) 1700373
Paper

Optical Emission of GaN/AlN quantum-wires - the role of charge transfer from a nanowire template
j. Muessener, LAT Greif, S. Kalinowski, G. Callsen, P. Hille, J. Schormann, MR Wagner, A. Schliwa, S. Marti-Sanchez, J. Arbiol, A. Hoffmann, M. Eickhoff
Nanoscale 10 (12) (2018) 5591-5598
Paper

A quantum optical study of thresholdless lasing features in high-beta nitride nanobeam cavities
S. Jagsch, NV Trivino, F. Lohof, G. Callsen, S. Kalinowski, IM Rousseau, R. Barzel, JF Carlin, F. Jahnke, R. Butte, C. Gies, A. Hoffmann, N. Grandjean, S. Reitzenstein
Nature Communications 9 (2018) 564
Paper

Breakdown of Fal-Field Raman Selection Rules by Light-Plasmon Coupling Demonstrated by Tip-Enhanced Raman Scattering
E. Poliani, MR. Wagner, A. Vierck, F. Herziger, C. Nenstiel, F. Gannott, M. Schweiger, S. Fritze,, A. Dadgar, J. Zaumsei, A. Krost, A. Hoffmann, J. Maultzsch
Journal of Physical Chemical Letters 8 (22) (2017) 5462-5471
Paper

Carbon doped GaN layers grown by Pseudo-Halide Vapour Physe Epitaxy
D. Siche, R. Swierz, K. Kachel, N. Jankowski, C. Nenstiel, G. Callsen, M. Bickermann, A. Hoffmann
Crystal Research and Technology 52 (8) (2017) 1600364
Paper

Differential carrier lifetime in InGaN-based light-emitting diodes obtained by small-signal frequency-domain measurements
I. Reklaitis, F. Nippert, R. Kudzma, T. Malinauskas, S. Karpov, I. Pietzonka, H.J. Lugauer, M. Strassburg, P. Vitta, R. Tomasiunas, A. Hoffmann
Journal of Applied Physics 121 (3) (2017) 035701
Paper

Charge state switching of Cu acceptors in ZnO nanorods
M.A. Rahman, MT Westerhausen, C. Nenstiel, S. Choi, A. Hoffmann, A. Gentle, MR. Phillips, C. Thon-That
Applied Physics Letters 110 (12) (2016), 121907
Paper

Influence of carbon doping and hydrogen co-doping on acceptor related optical transitions in ZnO nanowires

F. Mohammadbeigi, T. Kure, G. Callsen, ES Kumar, MR Wagner, A. Hoffmann, SP Watkins
Semiconductor Science and Technology 32 (4) (2017), 045017
Paper

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