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Tuning of the Quantum-Confined Stark Effect in Wurtzite $[000\bar{1}]$ Group-III-Nitride Nanostructures by the Internal-Field-Guarded-Active-Region Design

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Title: Tuning of the Quantum-Confined Stark Effect in Wurtzite $[000\bar{1}]$ Group-III-Nitride Nanostructures by the Internal-Field-Guarded-Active-Region Design
Authors: Schlichting, S., Hönig, G. M. O., Müßener, J., Hille, P., Grieb, T., Teubert, J., Schörmann, J., Wagner, M. R., Rosenauer, A., Eickhoff, M., Hoffmann, A., Callsen, G.
Publication Year: 2017
Collection: Condensed Matter
Physics (Other)
Subject Terms: Physics - Applied Physics, Condensed Matter - Mesoscale and Nanoscale Physics
More Details: Recently, we suggested an unconventional approach [the so-called Internal-Field-Guarded-Active-Region Design (IFGARD)] for the elimination of the crystal polarization field induced quantum confined Stark effect (QCSE) in polar semiconductor heterostructures. And in this work, we demonstrate by means of micro-photoluminescence techniques the successful tuning as well as the elimination of the QCSE in strongly polar $[000\bar{1}]$ wurtzite GaN/AlN nanodiscs while reducing the exciton life times by more than two orders of magnitude. The IFGARD based elimination of the QCSE is independent of any specific crystal growth procedures. Furthermore, the cone-shaped geometry of the utilized nanowires (which embeds the investigated IFGARD nanodiscs) facilitates the experimental differentiation between quantum confinement- and QCSE-induced emission energy shifts. Due to the IFGARD, both effects become independently adaptable.
Comment: 9 pages, 5 figures
Document Type: Working Paper
DOI: 10.1038/s42005-018-0044-1
Access URL: http://arxiv.org/abs/1707.06882
Accession Number: edsarx.1707.06882
Database: arXiv
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  Data: Tuning of the Quantum-Confined Stark Effect in Wurtzite $[000\bar{1}]$ Group-III-Nitride Nanostructures by the Internal-Field-Guarded-Active-Region Design
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  Data: <searchLink fieldCode="AR" term="%22Schlichting%2C+S%2E%22">Schlichting, S.</searchLink><br /><searchLink fieldCode="AR" term="%22Hönig%2C+G%2E+M%2E+O%2E%22">Hönig, G. M. O.</searchLink><br /><searchLink fieldCode="AR" term="%22Müßener%2C+J%2E%22">Müßener, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Hille%2C+P%2E%22">Hille, P.</searchLink><br /><searchLink fieldCode="AR" term="%22Grieb%2C+T%2E%22">Grieb, T.</searchLink><br /><searchLink fieldCode="AR" term="%22Teubert%2C+J%2E%22">Teubert, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Schörmann%2C+J%2E%22">Schörmann, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Wagner%2C+M%2E+R%2E%22">Wagner, M. R.</searchLink><br /><searchLink fieldCode="AR" term="%22Rosenauer%2C+A%2E%22">Rosenauer, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Eickhoff%2C+M%2E%22">Eickhoff, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Hoffmann%2C+A%2E%22">Hoffmann, A.</searchLink><br /><searchLink fieldCode="AR" term="%22Callsen%2C+G%2E%22">Callsen, G.</searchLink>
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  Data: Condensed Matter<br />Physics (Other)
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  Data: Recently, we suggested an unconventional approach [the so-called Internal-Field-Guarded-Active-Region Design (IFGARD)] for the elimination of the crystal polarization field induced quantum confined Stark effect (QCSE) in polar semiconductor heterostructures. And in this work, we demonstrate by means of micro-photoluminescence techniques the successful tuning as well as the elimination of the QCSE in strongly polar $[000\bar{1}]$ wurtzite GaN/AlN nanodiscs while reducing the exciton life times by more than two orders of magnitude. The IFGARD based elimination of the QCSE is independent of any specific crystal growth procedures. Furthermore, the cone-shaped geometry of the utilized nanowires (which embeds the investigated IFGARD nanodiscs) facilitates the experimental differentiation between quantum confinement- and QCSE-induced emission energy shifts. Due to the IFGARD, both effects become independently adaptable.<br />Comment: 9 pages, 5 figures
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  Data: 10.1038/s42005-018-0044-1
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      – TitleFull: Tuning of the Quantum-Confined Stark Effect in Wurtzite $[000\bar{1}]$ Group-III-Nitride Nanostructures by the Internal-Field-Guarded-Active-Region Design
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