24 citations · 42 across the 5 of their papers we have counts for
5 papers
Circular photogalvanic effects in topological insulator/ferromagnet hybrid structures
T. Schumann, T. Kleinke, L. Braun +12
We study laser driven spin-current effects at ferromagnet/topological-insulator interfaces by two complementary experimental approaches. The DC photocurrent is studied in ferromagn…
Spintronic emitters for super-resolution in THz-spectral imaging
Finn-Frederik Stiewe, Tristan Winkel, Yuta Sasaki +9
THz-spectroscopy is an attractive imaging tool for scientific research, especially in life science, offering non-destructive interaction with matter due to its low photon energies.…
The impact of metallic contacts on spin-polarized photocurrents in topological insulator nanowires
Nina Meyer, Kevin Geishendorf, Jakob Walowski +2
Recently, a new quantum phase, the topological insulator, has been vividly investigated in a variety of materials. Its unique bandstructure allows for optical generation and contro…
Photocurrent measurements in topological insulator nanowires
N. Meyer, K. Geishendorf, J. Walowski +2
Circular photogalvanic currents are a promising new approach for spin-optoelectronics. To date, such currents have only been induced in topological insulator flakes or extended fil…
Observation of spin Nernst photocurrents in topological insulators
T. Schumann, N. Meyer, G. Mussler +7
The theoretical prediction of topological insulators in 2007 triggered tremendous interest. They are of fundamental interest because of their topological twist in k-space, which co…