Dr. Yukihiko Takagaki

Senior Scientist

+49 30 20377-523

Semiconductor Spectroscopy

Room: 536

Electrical transport measurements involving high magnetic fields (superconducting magnet) and low temperatures (liquid He cryostats)
Microstructuring using electron-beam lithography and dry etching
Numerical simulations for electrical transport, in particular, using tight-binding lattice models and the Green's function technique

Title

Quasi-flat bands in armchair graphene nanoribbons produced by topological junction states

Author

Y. Takagaki

Source

2D Mater., 13, 035002 (2026)

DOI:

10.1088/2053-1583/ae780e (PDI-ID: 3144)
Title

Surface height modulation in strain relaxation and its smoothing using solid state crystallization in InAs quantum-well growth on GaAs

Author

A. Aleksandrova, C. Golz, K. Biermann, A. Trampert, H. Weidlich, Y. Takagaki

Source

J. Appl. Phys., 139, 195301 (2026)

DOI:

10.1063/5.0326370 (PDI-ID: 3177)
Title

Fabry-Pérot quantum interference in pristine-porous-pristine and porous-pristine-porous junctions of armchair graphene nanoribbons

Author

Y. Takagaki

Source

Modelling Simul. Mater. Sci. Eng., 34, 015001 (2025)

DOI:

10.1088/1361-651X/ae2880 (PDI-ID: 3137)
Title

Atomic‐scale epitaxy for tailoring crystalline GeSbTe alloys into bidimensional phases

Author

V. Bragaglia, F. Arciprete, S. Prili, Y. Takagaki, A. M. Mio, R. Mazzarello, J. E. Boschker, R. Calarco

Source

Adv. Materials Inter., 13, e00937 (2025)

DOI:

10.1002/admi.202500937 (PDI-ID: 3134)
Title

Giant enhancement of magnetoresistance change and anomalous Landau-level filling in a harmonic two-subband system

Author

C. Golz, A. Aleksandrova, K. Biermann, H. Weidlich, W. T. Masselink, Y. Takagaki

Source

Solid State Commun., 405, 116147 (2025)

DOI:

10.1016/j.ssc.2025.116147 (PDI-ID: 3110)