PDI -> Staff ->

Dr. Ryan B. Lewis

Guest Scientist

phone: +49 30 20377 337

room: 0726

email: lewis@pdi-berlin.de

 

Department: Epitaxy

Core research areas: III-V nanowires for optoelectronics

 

 

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1 Author H. Küpers , A. Tahraoui , R. B. Lewis , S. Rauwerdink , M. Matalla , O. Krüger , F. Bastiman , H. Riechert , L. Geelhaar
Title

Surface preparation and patterning by nano imprint lithography for the selective area growth of GaAs nanowires on Si(111)

Source Semicond. Sci. Technol. , 32 , 115003 ( 2017 )
DOI : 10.1088/1361-6641/aa8c15 | Download arXiv: 1708.02454 | 2943 Cite : Bibtex RIS
H. Küpers, A. Tahraoui, R. B. Lewis, S. Rauwerdink, M. Matalla, O. Krüger, F. Bastiman, H. Riechert, and L. Geelhaar

2 Author W.-H. Lin , U. Jahn , H. Küpers , E. Luna , R. B. Lewis , L. Geelhaar , O. Brandt
Title

Efficient methodology to correlate structural with optical properties of GaAs nanowires based on scanning electron microscopy

Source Nanotechnol. , 28 , 415703 ( 2017 )
DOI : 10.1088/1361-6528/aa8394 | 2917 Cite : Bibtex RIS
W.-H. Lin, U. Jahn, H. Küpers, E. Luna, R. B. Lewis, L. Geelhaar, and O. Brandt

3 Author R. B. Lewis , P. Corfdir , H. Li , J. Herranz , C. Pfüller , O. Brandt , L. Geelhaar
Title

Quantum dot self-assembly driven by a surfactant-induced morphological instability

Source Phys. Rev. Lett. , 119 , 086101 ( 2017 )
DOI : 10.1103/PhysRevLett.119.086101 | Download: PDF | 2903 Cite : Bibtex RIS
R. B. Lewis, P. Corfdir, H. Li, J. Herranz, C. Pfüller, O. Brandt, and L. Geelhaar

4 Author P. Corfdir , R. B. Lewis , L. Geelhaar , O. Brandt
Title

Fine structure of excitons in InAs quantum dots on GaAs(110) layers and nanowire facets

Source Phys. Rev. B , 96 , 045435 ( 2017 )
DOI : 10.1103/PhysRevB.96.045435 | Download: PDF | 2924 Cite : Bibtex RIS
P. Corfdir, R. B. Lewis, L. Geelhaar, and O. Brandt

5 Author R. B. Lewis , P. Corfdir , J. Herranz , H. Küpers , U. Jahn , O. Brandt , L. Geelhaar
Title

Self-assembly of InAs nanostructures on the sidewalls of GaAs nanowires directed by a Bi surfactant

Source Nano Lett. , 17 , 4255 ( 2017 )
DOI : 10.1021/acs.nanolett.7b01185 | 2910 Cite : Bibtex RIS
R. B. Lewis, P. Corfdir, J. Herranz, H. Küpers, U. Jahn, O. Brandt, and L. Geelhaar

6 Author A. Davtyan , T. Krause , D. Kriegner , A. Al-Hassan , D. Bahrami , S. M. M. Kashani , R. B. Lewis , H. Küpers , A. Tahraoui , L. Geelhaar , M. Hanke , S. J. Leake , O. Loffeld , U. Pietsch
Title

Threefold rotational symmetry in hexagonally shaped core–shell (In,Ga)As/GaAs nanowires revealed by coherent X-ray diffraction imaging

Source J. Appl. Cryst. , 50 , 673 ( 2017 )
DOI : 10.1107/S1600576717004149 | 2927 Cite : Bibtex RIS
A. Davtyan, T. Krause, D. Kriegner, A. Al-Hassan, D. Bahrami, S. M. M. Kashani, R. B. Lewis, H. Küpers, A. Tahraoui, L. Geelhaar, M. Hanke, S. J. Leake, O. Loffeld, and U. Pietsch

7 Author R. B. Lewis , L. Nicolai , H. Küpers , M. Ramsteiner , A. Trampert , L. Geelhaar
Title

Anomalous strain relaxation in core-shell nanowires via simultaneous coherent and incoherent growth

Source Nano Lett. , 17 , 136 ( 2017 )
DOI : 10.1021/acs.nanolett.6b03681 | 2824 Cite : Bibtex RIS
R. B. Lewis, L. Nicolai, H. Küpers, M. Ramsteiner, A. Trampert, and L. Geelhaar

8 Author P. Corfdir , H. Küpers , R. B. Lewis , T. Flissikowski , H. T. Grahn , L. Geelhaar , O. Brandt
Title

Exciton dynamics in GaAs(Al,Ga)As core-shell nanowires with shell quantum dots

Source Phys. Rev. B , 94 , 155413 ( 2016 )
DOI : 10.1103/PhysRevB.94.155413 | Download: PDF | 2798 Cite : Bibtex RIS
P. Corfdir, H. Küpers, R. B. Lewis, T. Flissikowski, H. T. Grahn, L. Geelhaar, and O. Brandt

9 Author P. Corfdir , R. B. Lewis , O. Marquardt , H. Küpers , J. Grandal , E. Dimakis , A. Trampert , L. Geelhaar , O. Brandt , R. T. Phillips
Title

Exciton recombination at crystal-phase quantum rings in GaAs/InxGa1-xAs core/multishell nanowires

Source Appl. Phys. Lett. , 109 , 082107 ( 2016 )
DOI : 10.1063/1.4961245 | Download: PDF | 2830 Cite : Bibtex RIS
P. Corfdir, R. B. Lewis, O. Marquardt, H. Küpers, J. Grandal, E. Dimakis, A. Trampert, L. Geelhaar, O. Brandt, and R. T. Phillips

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