PDI -> Staff ->

Dr. Oliver Brandt

Senior Scientist

Core Research Area Coordinator

phone: +49 30 20377 332

room: 0535

email: brandt@pdi-berlin.de

 

Department: Semiconductor Spectroscopy

Core research areas: Nanoanalytics , Nanofabrication , III-V nanowires for optoelectronics

 

 

71 Author P. Corfdir , C. Hauswald , J. K. Zettler , T. Flissikowski , J. Lähnemann , S. Fernández-Garrido , L. Geelhaar , H. T. Grahn , O. Brandt
Title

Stacking faults as quantum wells in nanowires: Density of states, oscillator strength and radiative efficiency

Source Phys. Rev. B , 90 , 195309 ( 2014 )
DOI : 10.1103/PhysRevB.90.195309 | Download: PDF | 2636 Cite : Bibtex RIS
P. Corfdir, C. Hauswald, J. K. Zettler, T. Flissikowski, J. Lähnemann, S. Fernández-Garrido, L. Geelhaar, H. T. Grahn, and O. Brandt

72 Author P. Corfdir , J. K. Zettler , C. Hauswald , S. Fernández-Garrido , O. Brandt , P. Lefebvre
Title

Sub-meV linewidth in GaN nanowire ensembles: Absence of surface excitons due to the field-ionization of donors

Source Phys. Rev. B , 90 , 205301 ( 2014 )
DOI : 10.1103/PhysRevB.90.205301 | Download: PDF | 2624 Cite : Bibtex RIS
P. Corfdir, J. K. Zettler, C. Hauswald, S. Fernández-Garrido, O. Brandt, and P. Lefebvre

73 Author S. Fernández-Garrido , V. M. Kaganer , C. Hauswald , B. Jenichen , M. Ramsteiner , V. Consonni , L. Geelhaar , O. Brandt
Title

Correlation between the structural and optical properties of spontaneously formed GaN nanowires: A quantitative evaluation of the impact of nanowire coalescence

Source Nanotechnology , 25 , 455702 ( 2014 )
DOI : 10.1088/0957-4484/25/45/455702 | Download arXiv: 1409.3773 | 2589 Cite : Bibtex RIS
S. Fernández-Garrido, V. M. Kaganer, C. Hauswald, B. Jenichen, M. Ramsteiner, V. Consonni, L. Geelhaar, and O. Brandt

74 Author C. Hauswald , P. Corfdir , J. K. Zettler , V. M. Kaganer , K. K. Sabelfeld , S. Fernández-Garrido , T. Flissikowski , V. Consonni , T. Gotschke , H. T. Grahn , L. Geelhaar , O. Brandt
Title

Origin of the nonradiative decay of bound excitons in GaN nanowires

Source Phys. Rev. B , 90 , 165304 ( 2014 )
DOI : 10.1103/PhysRevB.90.165304 | Download: PDF | 2635 Cite : Bibtex RIS
C. Hauswald, P. Corfdir, J. K. Zettler, V. M. Kaganer, K. K. Sabelfeld, S. Fernández-Garrido, T. Flissikowski, V. Consonni, T. Gotschke, H. T. Grahn, L. Geelhaar, and O. Brandt

75 Author J. Lähnemann , U. Jahn , O. Brandt , T. Flissikowski , P. Dogan , H. T. Grahn
Title

Luminescence associated with stacking faults in GaN

Source J. Phys. D: Appl. Phys. , 47 , 423001 ( 2014 )
DOI : 10.1088/0022-3727/47/42/423001 | Download arXiv: 1405.1261 | 2584 Cite : Bibtex RIS
J. Lähnemann, U. Jahn, O. Brandt, T. Flissikowski, P. Dogan, and H. T. Grahn

76 Author J. Lähnemann , C. Hauswald , M. Wölz , U. Jahn , M. Hanke , L. Geelhaar , O. Brandt
Title

Localization and defects in axial (In,Ga)N/GaN nanowire heterostructures investigated by spatially-resolved luminescence spectroscopy

Source J. Phys. D: Appl. Phys. , 47 , 394010 ( 2014 )
DOI : 10.1088/0022-3727/47/39/394010 | Download arXiv: 1405.1507 | 2571 Cite : Bibtex RIS
J. Lähnemann, C. Hauswald, M. Wölz, U. Jahn, M. Hanke, L. Geelhaar, and O. Brandt

77 Author O. Marquardt , L. Geelhaar , O. Brandt
Title

Minimizing the impact of surface potentials in axial InGaN/GaN nanowire heterostructures by reducing their diameter

Source J. Phys. D: Appl. Phys. , 47 , 1 ( 2014 )
DOI : 10.1088/0022-3727/47/39/394007 | 2565 Cite : Bibtex RIS
O. Marquardt, L. Geelhaar, and O. Brandt

78 Author O. Marquardt , L. Geelhaar , O. Brandt
Title

Minimizing the influence of surface potentials in axial (In,Ga)N/GaN nanowire heterostructures by reducing their diameter

Source IEEE , IEEE Catalog Nr. CFP14817-PRT , 15 ( 2014 )
DOI : ISBN 978-1-4799-3681-6 | Download arXiv: | 2585 Cite : Bibtex RIS
O. Marquardt, L. Geelhaar, and O. Brandt

79 Author M. Musolino , A. Tahraoui , F. Limbach , J. Lähnemann , U. Jahn , O. Brandt , L. Geelhaar , H. Riechert
Title

Understanding peculiarities in the optoelectronic characteristics of light emitting diodes based on (In,Ga)N/GaN nanowires

Source Appl. Phys. Lett. , 105 , 083505 ( 2014 )
DOI : 10.1063/1.4894241 | Download: PDF | 2573 Cite : Bibtex RIS
M. Musolino, A. Tahraoui, F. Limbach, J. Lähnemann, U. Jahn, O. Brandt, L. Geelhaar, and H. Riechert

80 Author O. Brandt , S. Fernández-Garrido , J. K. Zettler , E. Luna , U. Jahn , C. Chèze , V. M. Kaganer
Title

Statistical analysis of the shape of one-dimensional nanostructures: determining the coalescence degree of spontaneously formed GaN nanowires

Source Cryst. Growth Des. , 14 , 2246 ( 2014 )
DOI : 10.1021/cg401838q | 2554 Cite : Bibtex RIS
O. Brandt, S. Fernández-Garrido, J. K. Zettler, E. Luna, U. Jahn, C. Chèze, and V. M. Kaganer