Hansen W - Search Results

1

Strong Electric Polarizability of Cone-Shell Quantum Structures for a Large Stark Shift, Tunable Long Exciton Lifetimes, and a Dot-to-Ring Transformation.

Heyn C, Ranasinghe L, Deneke K, Alshaikh A, Duque CA, Hansen W. Heyn C, et al. Among authors: hansen w. Nanomaterials (Basel). 2023 Feb 25;13(5):857. doi: 10.3390/nano13050857. Nanomaterials (Basel). 2023. PMID: 36903737 Free PMC article.

2

Luminescence from Droplet-Etched GaAs Quantum Dots at and Close to Room Temperature.

Ranasinghe L, Heyn C, Deneke K, Zocher M, Korneev R, Hansen W. Ranasinghe L, et al. Among authors: hansen w. Nanomaterials (Basel). 2021 Mar 10;11(3):690. doi: 10.3390/nano11030690. Nanomaterials (Basel). 2021. PMID: 33802007 Free PMC article.

3

Dot-Size Dependent Excitons in Droplet-Etched Cone-Shell GaAs Quantum Dots.

Heyn C, Gräfenstein A, Pirard G, Ranasinghe L, Deneke K, Alshaikh A, Bester G, Hansen W. Heyn C, et al. Among authors: hansen w. Nanomaterials (Basel). 2022 Aug 28;12(17):2981. doi: 10.3390/nano12172981. Nanomaterials (Basel). 2022. PMID: 36080018 Free PMC article.

4

Role of Arsenic During Aluminum Droplet Etching of Nanoholes in AlGaAs.

Heyn C, Zocher M, Schnüll S, Hansen W. Heyn C, et al. Among authors: hansen w. Nanoscale Res Lett. 2016 Dec;11(1):428. doi: 10.1186/s11671-016-1648-6. Epub 2016 Sep 26. Nanoscale Res Lett. 2016. PMID: 27671015 Free PMC article.

5

Droplet etching of deep nanoholes for filling with self-aligned complex quantum structures.

Küster A, Heyn C, Ungeheuer A, Juska G, Tommaso Moroni S, Pelucchi E, Hansen W. Küster A, et al. Among authors: hansen w. Nanoscale Res Lett. 2016 Dec;11(1):282. doi: 10.1186/s11671-016-1495-5. Epub 2016 Jun 3. Nanoscale Res Lett. 2016. PMID: 27255902 Free PMC article.

6

Thermally controlled widening of droplet etched nanoholes.

Heyn C, Schnüll S, Jesson DE, Hansen W. Heyn C, et al. Among authors: hansen w. Nanoscale Res Lett. 2014 Jun 9;9(1):285. doi: 10.1186/1556-276X-9-285. eCollection 2014. Nanoscale Res Lett. 2014. PMID: 24948902 Free PMC article.

7

Dynamics of mass transport during nanohole drilling by local droplet etching.

Heyn C, Bartsch T, Sanguinetti S, Jesson D, Hansen W. Heyn C, et al. Among authors: hansen w. Nanoscale Res Lett. 2015 Feb 13;10:67. doi: 10.1186/s11671-015-0779-5. eCollection 2015. Nanoscale Res Lett. 2015. PMID: 25852364 Free PMC article.

8

Wave-function mapping of InAs quantum dots by scanning tunneling spectroscopy.

Maltezopoulos T, Bolz A, Meyer C, Heyn C, Hansen W, Morgenstern M, Wiesendanger R. Maltezopoulos T, et al. Among authors: hansen w. Phys Rev Lett. 2003 Nov 7;91(19):196804. doi: 10.1103/PhysRevLett.91.196804. Epub 2003 Nov 7. Phys Rev Lett. 2003. PMID: 14611601

9

Ultra-fast cell counters based on microtubular waveguides.

Bausch CS, Heyn C, Hansen W, Wolf IM, Diercks BP, Guse AH, Blick RH. Bausch CS, et al. Among authors: hansen w. Sci Rep. 2017 Jan 30;7:41584. doi: 10.1038/srep41584. Sci Rep. 2017. PMID: 28134293 Free PMC article.

10

Correlation effects in wave function mapping of molecular beam epitaxy grown quantum dots.

Maruccio G, Janson M, Schramm A, Meyer C, Matsui T, Heyn C, Hansen W, Wiesendanger R, Rontani M, Molinari E. Maruccio G, et al. Among authors: hansen w. Nano Lett. 2007 Sep;7(9):2701-6. doi: 10.1021/nl071133m. Epub 2007 Jul 31. Nano Lett. 2007. PMID: 17663588

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