Intersubband Emitters: GaAs-based Quantum-Cascade Lasers

Dr. Yukihiko Takagaki

Senior Scientist

Yukihiko Takagaki

phone: +49 30 20377 523

room: 0536

email: takagaki@pdi-berlin.de

 

Department: Semiconductor Spectroscopy

Core research areas: Ferromagnet/ semiconductor hybrid structures

 

 

11 Author Y. Takagaki , M. Ramsteiner , U. Jahn , B. Jenichen
Title

Constituent substitution in hot wall deposition of Bi2S3 films by reaction with substrates

Source J. Solid State Chem. , 270 , 219 ( 2018 )
DOI : 10.1016/j.jssc.2018.11.013 | 3050 Cite : Bibtex RIS
Y. Takagaki, M. Ramsteiner, U. Jahn, and B. Jenichen

12 Author Y. Takagaki , J. Herfort , M. Ramsteiner , U. Jahn , B. Jenichen
Title

Overgrowth of Bi2Te3 nanosheets on Fe-based epitaxial ferromagnetic layers

Source CrystEngComm , 20 , 4173 ( 2018 )
DOI : 10.1039/c8ce00882e | 3024 Cite : Bibtex RIS
Y. Takagaki, J. Herfort, M. Ramsteiner, U. Jahn, and B. Jenichen

13 Author V. Hortelano , H. Weidlich , M.P. Semtsiv , W. T. Masselink , M. Ramsteiner , U. Jahn , K. Biermann , Y. Takagaki
Title

Nanostructuring of conduction channels in (In,Ga)As-InP heterostructures: Overcoming carrier generation caused by Ar ion milling

Source Appl. Phys. Lett. , 112 , 151602 ( 2018 )
DOI : 10.1063/1.5022967 | Download: PDF | 3026 Cite : Bibtex RIS
V. Hortelano, H. Weidlich, M.P. Semtsiv, W. T. Masselink, M. Ramsteiner, U. Jahn, K. Biermann, and Y. Takagaki

14 Author Y. Takagaki , B. Jenichen , A. Trampert
Title

Manifestation of axiotaxy induced by the (1-104) plane in high-temperature-grown bismuth telluride films on InP(111)

Source CrystEngComm , 20 , 983 ( 2018 )
DOI : 10.1039/c7ce02021j | 2994 Cite : Bibtex RIS
Y. Takagaki, B. Jenichen, and A. Trampert

15 Author V. Hortelano , H. Weidlich , W. T. Masselink , G. Mahler , Y. Takagaki
Title

Demonstration of magneto-ratchet device using horse-shoe ballistic channels with a rough boundary

Source Semicond. Sci. Technol. , 32 , 125005 ( 2017 )
DOI : 10.1088/1361-6641/aa90ab | 2922 Cite : Bibtex RIS
V. Hortelano, H. Weidlich, W. T. Masselink, G. Mahler, and Y. Takagaki

16 Author Y. Takagaki , B. Jenichen , M. Ramsteiner , U. Jahn
Title

Axiotaxy of bismuth telluride films on InP(111)B by high-temperature hot wall epitaxy

Source Cryst. Growth Des. , 17 , 1977 ( 2017 )
DOI : 10.1021/acs.cgd.6b01899 | 2872 Cite : Bibtex RIS
Y. Takagaki, B. Jenichen, M. Ramsteiner, and U. Jahn

17 Author Y. Takagaki
Title

Quantum interference by localized scattered waves of gapless helical modes in narrow strips of topological insulators

Source J. Appl. Phys. , 120 , 124304 ( 2016 )
DOI : 10.1063/1.4963167 | Download: PDF | 2836 Cite : Bibtex RIS
and Y. Takagaki

18 Author Y. Takagaki , Yuta Saito , Junji Tominaga
Title

Manipulation of the presence of helical surface states of topological insulators using Sb2Te3-GeTe superlattices

Source Appl. Phys. Lett. , 108 , 112102 ( 2016 )
DOI : 10.1063/1.4944050 | Download: PDF | 2737 Cite : Bibtex RIS
Y. Takagaki, Yuta Saito, and Junji Tominaga

19 Author Y. Takagaki
Title

Klein tunneling of helical edge states in narrow strips of a two-dimensional topological insulator

Source J. Phys.: Condens. Matter , 28 , 025302 ( 2016 )
DOI : doi:10.1088/0953-8984/28/2/025302 | 2755 Cite : Bibtex RIS
and Y. Takagaki

20 Author Y. Takagaki
Title

Strong reflection and periodic resonant transmission of helical edge states in topological-insulator stub-like resonators

Source J. Appl. Phys. , 118 , 054304 ( 2015 )
DOI : 10.1063/1.4928204 | Download: PDF | 2706 Cite : Bibtex RIS
and Y. Takagaki

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