Acting Director
Head of Department Epitaxy
phone: +49 30 20377 359
room: 0714
email: geelhaar@pdi-berlin.de
Department: Epitaxy
Core research areas: Nanofabrication , III-V nanowires for optoelectronics
101 | Author | P. Kusch , E. Grelich , C. Somaschini , E. Luna , M. Ramsteiner , L. Geelhaar , H. Riechert , S. Reich |
Title |
Type-II band alignment of zinc-blende and wurtzite segments in GaAs nanowires: A combined photoluminescence and resonant Raman scattering study |
|
Source | Phys. Rev. B , 89 , 045310 ( 2014 ) | |
DOI : 10.1103/PhysRevB.89.045310 | Download: PDF | Cite : Bibtex RIS |
102 | Author | L. Lari , I. M. Ross , T. Walther , K. Black , C. Chèze , L. Geelhaar , H. Riechert , P. R. Chalker |
Title |
GaN-based radial heterostructure nanowires grown by MBE and ALD |
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Source | J. Phys.: Conf. Ser. , 471 , 012039 ( 2013 ) | |
DOI : 10.1088/1742-6596/471/1/012039 | Cite : Bibtex RIS |
103 | Author | M. Hilse , J. Herfort , B. Jenichen , A. Trampert , M. Hanke , P. Schaaf , L. Geelhaar , H. Riechert |
Title |
GaAs-Fe_3Si Core-Shell Nanowires: Nanobar Magnets |
|
Source | Nano Lett. , 13 , 6203 ( 2013 ) | |
DOI : 10.1021/nl4035994 | Cite : Bibtex RIS |
104 | Author | E. Dimakis , M. Ramsteiner , C.-N. Huang , A. Trampert , A. Davydok , A. Biermanns , U. Pietsch , H. Riechert , L. Geelhaar |
Title |
In situ doping of catalyst-free InAs nanowires with Si: Growth, polytypism, and local vibrational modes of Si |
|
Source | Appl. Phys. Lett. , 103 , 143121 ( 2013 ) | |
DOI : 10.1063/1.4824344 | Download: PDF | Cite : Bibtex RIS |
105 | Author | A. Biermanns , D. Carbone , S. Breuer , V. L. R. Jacques , T. Schulli , L. Geelhaar , U. Pietsch |
Title |
Distribution of zinc-blende twins and wurtzite segments in GaAs nanowires probed by X-ray nanodiffraction |
|
Source | Phys. Status Solidi-Rapid Res. Lett. , 7 , 860 ( 2013 ) | |
DOI : 10.1002/pssr.201307246 | Cite : Bibtex RIS |
106 | Author | S. Breuer , L.-F. Feiner , L. Geelhaar |
Title |
Droplet bulge effect on the formation of nanowire side facets |
|
Source | Cryst. Growth Des. , 13 , 2749 ( 2013 ) | |
DOI : 10.1021/cg301770f | Cite : Bibtex RIS |
107 | Author | K. K. Sabelfeld , V. M. Kaganer , F. Limbach , P. Dogan , O. Brandt , L. Geelhaar , H. Riechert |
Title |
Height self-equilibration during the growth of dense nanowire ensembles: Order emerging from disorder |
|
Source | Appl. Phys. Lett. , 103 , 133105 ( 2013 ) | |
Download: PDF | Cite : Bibtex RIS |
108 | Author | M. H. Oliveira Jr. , T. Schumann , R. Gargallo-Caballero , F. Fromm , T. Seyller , M. Ramsteiner , A. Trampert , L. Geelhaar , J. M. J. Lopes , H. Riechert |
Title |
Mono- and few-layer nanocrystalline graphene grown on Al2O3(0001) by molecular beam epitaxy |
|
Source | Carbon , 56 , 339 ( 2013 ) | |
Bibtex RIS | Cite :
109 | Author | Y. Puttisong , I. A. Buyanova , A. J. Ptak , C. W. Tu , L. Geelhaar , H. Riechert , W. M. Chen |
Title |
Room-temperature electron spin amplifier based on Ga(In)NAs alloys |
|
Source | Adv. Mater. , 25 , 738 ( 2013 ) | |
Bibtex RIS | Cite :
110 | Author | Y. Puttisong , X. J. Wang , I. A. Buyanova , L. Geelhaar , H. Riechert , A. J. Ptak , C. W. Tu , W. M. Chen |
Title |
Efficient room-temperature nuclear spin hyperpolarization of a defect atom in a semiconductor |
|
Source | Nat. Commun. , 4 , 1751 ( 2013 ) | |
Bibtex RIS | Cite :