III-V Nanowires for Optoelectronics

Dr. Jonas Lähnemann

Senior Scientist

Jonas Lähnemann

phone: +49 30 20377 450

room: 0530

email: jonas@pdi-berlin.de

 

Department: Semiconductor Spectroscopy

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

 

Research interests:

Luminescence spectroscopy, Analytical scanning electron microscopy, Semiconductor nanowires, III-V semiconductors for optoelectronic applications, Thin-film solar cells

 

 

1 Author T. Auzelle , C. Sinito , J. Lähnemann , G. Gao , T. Flissikowski , A. Trampert , O. Brandt , S. Fernández-Garrido
Title

Interface recombination in Ga- and N-polar GaN/(Al,Ga)N quantum wells grown by molecular beam epitaxy

Source Phys. Rev. Appl. , 17 , 4 ( 2022 )
DOI : 10.1103/PhysRevApplied.17.044030 | Download arXiv: 2111.12969 | 3267 Cite : Bibtex RIS
T. Auzelle, C. Sinito, J. Lähnemann, G. Gao, T. Flissikowski, A. Trampert, O. Brandt, and S. Fernández-Garrido

2 Author A. Papadogianni , C. Wouters , R. Schewski , J. Feldl , J. Lähnemann , T. Nagata , M. Feneberg , E. Kluth , R. Goldhahn , M. Ramsteiner , M. Albrecht , O. Bierwagen
Title

Molecular beam epitaxy of single-crystalline bixbyite (In1-xGax)2O3 films (x≤0.18): Structural properties and consequences of compositional inhomogeneity

Source Phys. Rev. Mater. , 6 , 033604 ( 2022 )
DOI : 10.1103/PhysRevMaterials.6.033604 | Download arXiv: 2106.09612 | 3254 Cite : Bibtex RIS
A. Papadogianni, C. Wouters, R. Schewski, J. Feldl, J. Lähnemann, T. Nagata, M. Feneberg, E. Kluth, R. Goldhahn, M. Ramsteiner, M. Albrecht, and O. Bierwagen

3 Author J. Lähnemann , V. M. Kaganer , K. K. Sabelfeld , A. E. Kireeva , U. Jahn , C. Chèze , R. Calarco , O. Brandt
Title

Carrier diffusion in GaN: A cathodoluminescence study. III: Nature of nonradiative recombination at threading dislocations

Source Phys. Rev. Appl. , 17 , 024019 ( 2022 )
DOI : 10.1103/PhysRevApplied.17.024019 | Download arXiv: 2009.14634 | 3213 Cite : Bibtex RIS
J. Lähnemann, V. M. Kaganer, K. K. Sabelfeld, A. E. Kireeva, U. Jahn, C. Chèze, R. Calarco, and O. Brandt

4 Author O. Brandt , V. M. Kaganer , J. Lähnemann , T. Flissikowski , C. Pfüller , K. K. Sabelfeld , A. E. Kireeva , C. Chèze , R. Calarco , H. T. Grahn , U. Jahn
Title

Carrier diffusion in GaN: A cathodoluminescence study. II: Ambipolar vs. exciton diffusion

Source Phys. Rev. Appl. , 17 , 024018 ( 2022 )
DOI : 10.1103/PhysRevApplied.17.024018 | Download arXiv: 2009.13983 | 3192 Cite : Bibtex RIS
O. Brandt, V. M. Kaganer, J. Lähnemann, T. Flissikowski, C. Pfüller, K. K. Sabelfeld, A. E. Kireeva, C. Chèze, R. Calarco, H. T. Grahn, and U. Jahn

5 Author U. Jahn , V. M. Kaganer , K. K. Sabelfeld , A. E. Kireeva , J. Lähnemann , C. Pfüller , C. Chèze , K. Biermann , R. Calarco , O. Brandt
Title

Carrier diffusion in GaN: A cathodoluminescence study. I: Temperature-dependent generation volume

Source Phys. Rev. Appl. , 17 , 024017 ( 2022 )
DOI : 10.1103/PhysRevApplied.17.024017 | Download arXiv: 2002.08713 | 3145 Cite : Bibtex RIS
U. Jahn, V. M. Kaganer, K. K. Sabelfeld, A. E. Kireeva, J. Lähnemann, C. Pfüller, C. Chèze, K. Biermann, R. Calarco, and O. Brandt

6 Author L. van Deurzen , M. Gomez Ruiz , K. Lee , H. Turski , S. Bharadwaj , R. Page , V. Protasenko , H. G. Xing , J. Lähnemann , D. Jena
Title

Dislocation and Indium Droplet Related Emission Inhomogeneities in InGaN LEDs

Source J. Phys. D: Appl. Phys. , 54 , 495106 ( 2021 )
DOI : 10.1088/1361-6463/ac2446 | Download arXiv: 2106.10809 | 3259 Cite : Bibtex RIS
L. van Deurzen, M. Gomez Ruiz, K. Lee, H. Turski, S. Bharadwaj, R. Page, V. Protasenko, H. G. Xing, J. Lähnemann, and D. Jena

7 Author P. Wojnar , J. Płachta , A. Reszka , J. Lähnemann , A. Kaleta , S. Kret , P. Baranowski , M. Wójcik , B. J. Kowalski , L. T. Baczewski , G. Karczewski , T. Wojtowicz
Title

Near-infrared emission from spatially indirect excitons in type II ZnTe/CdSe/(Zn,Mg)Te core/double-shell nanowires

Source Nanotechnology , 32 , 495202 ( 2021 )
DOI : 10.1088/1361-6528/ac218c | Download arXiv: 2109.00272 | 3261 Cite : Bibtex RIS
P. Wojnar, J. Płachta, A. Reszka, J. Lähnemann, A. Kaleta, S. Kret, P. Baranowski, M. Wójcik, B. J. Kowalski, L. T. Baczewski, G. Karczewski, and T. Wojtowicz

8 Author J. Feldl , M. Feneberg , A. Papadogianni , J. Lähnemann , T. Nagata , O. Bierwagen , R. Goldhahn , M. Ramsteiner
Title

Band gap widening and phonon behavior of cubic single-crystalline (In,Ga)2O3 alloy films

Source Appl. Phys. Lett. , 119 , 042101 ( 2021 )
DOI : 10.1063/5.0056532 | Download: PDF | 3241 Cite : Bibtex RIS
J. Feldl, M. Feneberg, A. Papadogianni, J. Lähnemann, T. Nagata, O. Bierwagen, R. Goldhahn, and M. Ramsteiner

9 Author A. AlHassan , J. Lähnemann , A. Davtyan , M. Al-Humaidi , J. Herranz , D. Bahrami , T. Anjum , F. Bertram , A. B. Dey , L. Geelhaar , U. Pietsch
Title

Beam damage of single semiconductor nanowires during X-ray nano beam diffraction experiments

Source J. Synchrotron Rad. , 27 , 1200 ( 2020 )
DOI : 10.1107/S1600577520009789 | Download: PDF | 3193 Cite : Bibtex RIS
A. AlHassan, J. Lähnemann, A. Davtyan, M. Al-Humaidi, J. Herranz, D. Bahrami, T. Anjum, F. Bertram, A. B. Dey, L. Geelhaar, and U. Pietsch

10 Author S. Fernández-Garrido , C. Pisador , J. Lähnemann , S. Lazic , A. Ruiz , A. Redondo-Cubero
Title

Coalescence, crystallographic orientation and luminescence of ZnO nanowires grown on Si(001) by chemical vapour transport

Source Nanotechnology , 31 , 475603 ( 2020 )
DOI : 10.1088/1361-6528/abadc8 | Download arXiv: 2005.14704 | 3207 Cite : Bibtex RIS
S. Fernández-Garrido, C. Pisador, J. Lähnemann, S. Lazic, A. Ruiz, and A. Redondo-Cubero

Contact

Dr. Lutz Geelhaar

Head of Department

+49 30 20377-359

geelhaar@pdi-berlin.de

Dr. Oliver Brandt

Senior Scientist

+49 30 20377-332

lab: -444

brandt@pdi-berlin.de