Dr. Jonas Lähnemann

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

@article{ author = { T. Auzelle and C. Sinito and J. Lähnemann and G. Gao and T. Flissikowski and A. Trampert and O. Brandt and S. Fernández-Garrido }, title = { Interface recombination in Ga- and N-polar GaN/(Al,Ga)N quantum wells grown by molecular beam epitaxy }, journal = { Physical Review Applied }, volume = { 17 }, year = { 2022 }, pages = { 4 } }

TY - JOUR AU - T. Auzelle AU - C. Sinito AU - J. Lähnemann AU - G. Gao AU - T. Flissikowski AU - A. Trampert AU - O. Brandt AU - S. Fernández-Garrido TI - Interface recombination in Ga- and N-polar GaN/(Al,Ga)N quantum wells grown by molecular beam epitaxy JF - Physical Review Applied JA - Phys. Rev. Appl. J1 - VL - 17 SP - 4 PY - 2022/04/15

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

@article{ author = { A. Papadogianni and C. Wouters and R. Schewski and J. Feldl and J. Lähnemann and T. Nagata and M. Feneberg and E. Kluth and R. Goldhahn and M. Ramsteiner and M. Albrecht and O. Bierwagen }, title = { Molecular beam epitaxy of single-crystalline bixbyite (In1-xGax)2O3 films (x≤0.18): Structural properties and consequences of compositional inhomogeneity }, journal = { Physical Review Materials }, volume = { 6 }, year = { 2022 }, pages = { 033604 } }

TY - JOUR AU - A. Papadogianni AU - C. Wouters AU - R. Schewski AU - J. Feldl AU - J. Lähnemann AU - T. Nagata AU - M. Feneberg AU - E. Kluth AU - R. Goldhahn AU - M. Ramsteiner AU - M. Albrecht AU - O. Bierwagen TI - Molecular beam epitaxy of single-crystalline bixbyite (In1-xGax)2O3 films (x≤0.18): Structural properties and consequences of compositional inhomogeneity JF - Physical Review Materials JA - Phys. Rev. Mater. J1 - VL - 6 SP - 033604 PY - 2022/03/14

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

@article{ author = { J. Lähnemann and V. M. Kaganer and K. K. Sabelfeld and A. E. Kireeva and U. Jahn and C. Chèze and R. Calarco and O. Brandt }, title = { Carrier diffusion in GaN: A cathodoluminescence study. III: Nature of nonradiative recombination at threading dislocations }, journal = { Physical Review Applied }, volume = { 17 }, year = { 2022 }, pages = { 024019 } }

TY - JOUR AU - J. Lähnemann AU - V. M. Kaganer AU - K. K. Sabelfeld AU - A. E. Kireeva AU - U. Jahn AU - C. Chèze AU - R. Calarco AU - O. Brandt TI - Carrier diffusion in GaN: A cathodoluminescence study. III: Nature of nonradiative recombination at threading dislocations JF - Physical Review Applied JA - Phys. Rev. Appl. J1 - VL - 17 SP - 024019 PY - 2022/02/07

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

@article{ author = { O. Brandt and V. M. Kaganer and J. Lähnemann and T. Flissikowski and C. Pfüller and K. K. Sabelfeld and A. E. Kireeva and C. Chèze and R. Calarco and H. T. Grahn and U. Jahn }, title = { Carrier diffusion in GaN: A cathodoluminescence study. II: Ambipolar vs. exciton diffusion }, journal = { Physical Review Applied }, volume = { 17 }, year = { 2022 }, pages = { 024018 } }

TY - JOUR AU - O. Brandt AU - V. M. Kaganer AU - J. Lähnemann AU - T. Flissikowski AU - C. Pfüller AU - K. K. Sabelfeld AU - A. E. Kireeva AU - C. Chèze AU - R. Calarco AU - H. T. Grahn AU - U. Jahn TI - Carrier diffusion in GaN: A cathodoluminescence study. II: Ambipolar vs. exciton diffusion JF - Physical Review Applied JA - Phys. Rev. Appl. J1 - VL - 17 SP - 024018 PY - 2022/02/07

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

@article{ author = { U. Jahn and V. M. Kaganer and K. K. Sabelfeld and A. E. Kireeva and J. Lähnemann and C. Pfüller and C. Chèze and K. Biermann and R. Calarco and O. Brandt }, title = { Carrier diffusion in GaN: A cathodoluminescence study. I: Temperature-dependent generation volume }, journal = { Physical Review Applied }, volume = { 17 }, year = { 2022 }, pages = { 024017 } }

TY - JOUR AU - U. Jahn AU - V. M. Kaganer AU - K. K. Sabelfeld AU - A. E. Kireeva AU - J. Lähnemann AU - C. Pfüller AU - C. Chèze AU - K. Biermann AU - R. Calarco AU - O. Brandt TI - Carrier diffusion in GaN: A cathodoluminescence study. I: Temperature-dependent generation volume JF - Physical Review Applied JA - Phys. Rev. Appl. J1 - VL - 17 SP - 024017 PY - 2022/02/07

Dislocation and Indium Droplet Related Emission Inhomogeneities in InGaN LEDs

@article{ author = { L. van Deurzen and M. Gomez Ruiz and K. Lee and H. Turski and S. Bharadwaj and R. Page and V. Protasenko and H. G. Xing and J. Lähnemann and D. Jena }, title = { Dislocation and Indium Droplet Related Emission Inhomogeneities in InGaN LEDs }, journal = { Journal of Physics D: Applied Physics }, volume = { 54 }, year = { 2021 }, pages = { 495106 } }

TY - JOUR AU - L. van Deurzen AU - M. Gomez Ruiz AU - K. Lee AU - H. Turski AU - S. Bharadwaj AU - R. Page AU - V. Protasenko AU - H. G. Xing AU - J. Lähnemann AU - D. Jena TI - Dislocation and Indium Droplet Related Emission Inhomogeneities in InGaN LEDs JF - Journal of Physics D: Applied Physics JA - J. Phys. D: Appl. Phys. J1 - JPD VL - 54 SP - 495106 PY - 2021/09/20

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

@article{ author = { P. Wojnar and J. Płachta and A. Reszka and J. Lähnemann and A. Kaleta and S. Kret and P. Baranowski and M. Wójcik and B. J. Kowalski and L. T. Baczewski and G. Karczewski and T. Wojtowicz }, title = { Near-infrared emission from spatially indirect excitons in type II ZnTe/CdSe/(Zn,Mg)Te core/double-shell nanowires }, journal = { Nanotechnology }, volume = { 32 }, year = { 2021 }, pages = { 495202 } }

TY - JOUR AU - P. Wojnar AU - J. Płachta AU - A. Reszka AU - J. Lähnemann AU - A. Kaleta AU - S. Kret AU - P. Baranowski AU - M. Wójcik AU - B. J. Kowalski AU - L. T. Baczewski AU - G. Karczewski AU - T. Wojtowicz TI - Near-infrared emission from spatially indirect excitons in type II ZnTe/CdSe/(Zn,Mg)Te core/double-shell nanowires JF - Nanotechnology JA - Nanotechnology J1 - NAN VL - 32 SP - 495202 PY - 2021/09/16

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

@article{ author = { J. Feldl and M. Feneberg and A. Papadogianni and J. Lähnemann and T. Nagata and O. Bierwagen and R. Goldhahn and M. Ramsteiner }, title = { Band gap widening and phonon behavior of cubic single-crystalline (In,Ga)2O3 alloy films }, journal = { Applied Physics Letters }, volume = { 119 }, year = { 2021 }, pages = { 042101 } }

TY - JOUR AU - J. Feldl AU - M. Feneberg AU - A. Papadogianni AU - J. Lähnemann AU - T. Nagata AU - O. Bierwagen AU - R. Goldhahn AU - M. Ramsteiner TI - Band gap widening and phonon behavior of cubic single-crystalline (In,Ga)2O3 alloy films JF - Applied Physics Letters JA - Appl. Phys. Lett. J1 - APL VL - 119 SP - 042101 PY - 2021/07/29

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

@article{ author = { A. AlHassan and J. Lähnemann and A. Davtyan and M. Al-Humaidi and J. Herranz and D. Bahrami and T. Anjum and F. Bertram and A. B. Dey and L. Geelhaar and U. Pietsch }, title = { Beam damage of single semiconductor nanowires during X-ray nano beam diffraction experiments }, journal = { Journal of Synchrotron Radiation }, volume = { 27 }, year = { 2020 }, pages = { 1200 } }

TY - JOUR AU - A. AlHassan AU - J. Lähnemann AU - A. Davtyan AU - M. Al-Humaidi AU - J. Herranz AU - D. Bahrami AU - T. Anjum AU - F. Bertram AU - A. B. Dey AU - L. Geelhaar AU - U. Pietsch TI - Beam damage of single semiconductor nanowires during X-ray nano beam diffraction experiments JF - Journal of Synchrotron Radiation JA - J. Synchrotron Rad. J1 - JSR VL - 27 SP - 1200 PY - 2020/08/13

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

@article{ author = { S. Fernández-Garrido and C. Pisador and J. Lähnemann and S. Lazic and A. Ruiz and A. Redondo-Cubero }, title = { Coalescence, crystallographic orientation and luminescence of ZnO nanowires grown on Si(001) by chemical vapour transport }, journal = { Nanotechnology }, volume = { 31 }, year = { 2020 }, pages = { 475603 } }

TY - JOUR AU - S. Fernández-Garrido AU - C. Pisador AU - J. Lähnemann AU - S. Lazic AU - A. Ruiz AU - A. Redondo-Cubero TI - Coalescence, crystallographic orientation and luminescence of ZnO nanowires grown on Si(001) by chemical vapour transport JF - Nanotechnology JA - Nanotechnology J1 - NAN VL - 31 SP - 475603 PY - 2020/08/10