Intersubband Emitters: GaAs-based Quantum-Cascade Lasers

Dr. Jonas Lähnemann

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

 

 

11 Author C. Golz , Z. Galazka , J. Lähnemann , V. Hortelano , F. Hatami , W.T. Masselink , O. Bierwagen
Title

The electrical conductivity tensor of beta-Ga2O3 analyzed by van der Pauw measurements: Inherent anisotropy, off-diagonal element, and the impact of grain boundaries

Source Phys. Rev. Mater. , 3 , 124604 ( 2019 )
DOI : 10.1103/physrevmaterials.3.124604 | Download arXiv: | 3121 Cite : Bibtex RIS
C. Golz, Z. Galazka, J. Lähnemann, V. Hortelano, F. Hatami, W.T. Masselink, and O. Bierwagen

12 Author V. M. Kaganer , J. Lähnemann , C. Pfüller , K. K. Sabelfeld , A. E. Kireeva , O. Brandt
Title

Determination of the Carrier Diffusion Length in GaN from Cathodoluminescence Maps Around Threading Dislocations: Fallacies and Opportunities

Source Phys. Rev. Appl. , 12 , 054038 ( 2019 )
DOI : 10.1103/PhysRevApplied.12.054038 | Download arXiv: 1906.05645 | 3104 Cite : Bibtex RIS
V. M. Kaganer, J. Lähnemann, C. Pfüller, K. K. Sabelfeld, A. E. Kireeva, and O. Brandt

13 Author C. Sinito , P. Corfdir , C. Pfüller , G. Gao , J. Bartolomé , S. Kölling , A. Rodil Doblado , U. Jahn , J. Lähnemann , T. Auzelle , J. K. Zettler , T. Flissikowski , P. Koenraad , H. T. Grahn , L. Geelhaar , S. Fernández-Garrido , O. Brandt
Title

Absence of quantum-confined Stark effect in GaN quantum disks embedded in (Al,Ga)N nanowires grown by molecular beam epitaxy

Source Nano Lett. , 19 , 5938 ( 2019 )
DOI : 10.1021/acs.nanolett.9b01521 | Download arXiv: 1905.04090 | 3108 Cite : Bibtex RIS
C. Sinito, P. Corfdir, C. Pfüller, G. Gao, J. Bartolomé, S. Kölling, A. Rodil Doblado, U. Jahn, J. Lähnemann, T. Auzelle, J. K. Zettler, T. Flissikowski, P. Koenraad, H. T. Grahn, L. Geelhaar, S. Fernández-Garrido, and O. Brandt

14 Author D. van Treeck , J. Ledig , G. Scholz , J. Lähnemann , M. Musolino , A. Tahraoui , O. Brandt , A. Waag , H. Riechert , L. Geelhaar
Title

Electroluminescence and current-voltage measurements of single (In,Ga)N/GaN nanowire light-emitting diodes in a nanowire ensemble

Source Beilstein J. Nanotechnol. , 10 , 1177 ( 2019 )
DOI : 10.3762/bjnano.10.117 | 3047 Cite : Bibtex RIS
D. van Treeck, J. Ledig, G. Scholz, J. Lähnemann, M. Musolino, A. Tahraoui, O. Brandt, A. Waag, H. Riechert, and L. Geelhaar

15 Author J. Lähnemann , M. O. Hill , J. Herranz , O. Marquardt , G. Gao , A. Al Hassan , A. Davtyan , S. O. Hruszkewycz , M. V. Holt , C. Huang , I. Calvo-Almazán , U. Jahn , U. Pietsch , L. J. Lauhon , L. Geelhaar
Title

Correlated nanoscale analysis of the emission from wurtzite versus zincblende (In,Ga)As/GaAs nanowire core-shell quantum wells

Source Nano Lett. , 19 , 4448 ( 2019 )
DOI : 10.1021/acs.nanolett.9b01241 | Download arXiv: 1903.07372 | 3094 Cite : Bibtex RIS
J. Lähnemann, M. O. Hill, J. Herranz, O. Marquardt, G. Gao, A. Al Hassan, A. Davtyan, S. O. Hruszkewycz, M. V. Holt, C. Huang, I. Calvo-Almazán, U. Jahn, U. Pietsch, L. J. Lauhon, and L. Geelhaar

16 Author S. Fernández-Garrido , T. Auzelle , J. Lähnemann , K. Wimmer , A. Tahraoui , O. Brandt
Title

Top-down fabrication of ordered arrays of GaN nanowires by selective area sublimation

Source Nanoscale Adv. , 1 , 1893 ( 2019 )
DOI : 10.1039/c8na00369f | Download arXiv: 1905.04948 | 3045 Cite : Bibtex RIS
S. Fernández-Garrido, T. Auzelle, J. Lähnemann, K. Wimmer, A. Tahraoui, and O. Brandt

17 Author J. Lähnemann , D. A. Browne , A. Ajay , M. Jeannin , A. Vasanelli , J.-L. Thomassin , E. Bellet-Amalric , E. Monroy
Title

Near- and mid-infrared intersubband absorption in top-down GaN/AlN nano- and micropillars

Source Nanotechnology , 30 , 054002 ( 2018 )
DOI : 10.1088/1361-6528/aaef72 | Download arXiv: 1805.08999 | 3075 Cite : Bibtex RIS
J. Lähnemann, D. A. Browne, A. Ajay, M. Jeannin, A. Vasanelli, J.-L. Thomassin, E. Bellet-Amalric, and E. Monroy

18 Author A. Hernández-Mínguez , J. Lähnemann , S. Nakhaie , J. M. J. Lopes , P. V. Santos
Title

Luminescent Defects in a Few-Layer h-BN Film Grown by Molecular Beam Epitaxy

Source Phys. Rev. Appl. , 10 , 044031 ( 2018 )
DOI : 10.1103/PhysRevApplied.10.044031 | Download arXiv: 1902.08528 | 3037 Cite : Bibtex RIS
A. Hernández-Mínguez, J. Lähnemann, S. Nakhaie, J. M. J. Lopes, and P. V. Santos

19 Author C. Chèze , F. Feix , J. Lähnemann , T. Flissikowski , M. Krysko , P. Wolny , H. Turski , C. Skierbiszewski , O. Brandt
Title

Luminescent N-polar (In,Ga)N/GaN quantum wells grown by plasma-assisted molecular beam epitaxy at 730 ◦C

Source Appl. Phys. Lett. , 112 , 022102 ( 2018 )
DOI : 10.1063/1.5009184 | Download: PDF | 2987 Cite : Bibtex RIS
C. Chèze, F. Feix, J. Lähnemann, T. Flissikowski, M. Krysko, P. Wolny, H. Turski, C. Skierbiszewski, and O. Brandt

20 Author P. Vogt , O. Brandt , H. Riechert , J. Lähnemann , O. Bierwagen
Title

Metal-exchange catalysis in the growth of sesquioxides: towards heterostructures of transparent oxide semiconductors

Source Phys. Rev. Lett. , 119 , 196001 ( 2017 )
DOI : 10.1103/PhysRevLett.119.196001 | Download: PDF | 2925 Cite : Bibtex RIS
P. Vogt, O. Brandt, H. Riechert, J. Lähnemann, and O. Bierwagen

Contact

Prof. Dr. Holger T. Grahn

Head of Department 

+49 30 20377-318

htgrahn@pdi-berlin.de

Dr. Lutz Schrottke

Senior Scientist

+49 30 20377-339

lutz@pdi-berlin.de