DPG Phi
Verhandlungen
Verhandlungen
DPG

Berlin 2015 – scientific programme

Parts | Days | Selection | Search | Updates | Downloads | Help

HL: Fachverband Halbleiterphysik

HL 39: Posters II (Topological insulators; Graphene; Spintronics and spin physics; Quantum information science)

HL 39.31: Poster

Tuesday, March 17, 2015, 14:00–20:00, Poster F

Spin noise spectroscopy of artificial atoms in isotopically enriched 28Si:P — •Michael Beck1, Helge Riemann2, Jens Hübner1, and Michael Oestreich11Institut für Festkörperphysik, Leibniz Universität Hannover, Appelstr.2, D-30167 Hannover — 2Leibniz-Institut für Kristallzüchtung, Max-Born-Str. 2, D-12489 Berlin

Spins of donor atoms in a silicon host are promising candidates for the implementation of quantum information devices [1]. The decoupling of donor atoms from the nuclear spin bath of the host lattice by means of isotopical enrichement leads to very long coherence times of donor electron spins [2]. Here, we will employ semiconductor spin noise spectroscopy [3] to investigate the spin dynamics of donor bound electrons in 28Si:P in the millikelvin temperature regime. The non-perturbative character of this method allows for the extraction of the intrinsic electron spin coherence time and is anticipated to reveal additional dephasing mechanisms at ultra low temperatures.
B.E. Kane, Nature 393, 133 (1998).
A.M. Tyryshkin, S. Tojo, J.J.L Morton, H. Riemann, N.A. Abrosimov, P. Becker, HJ. Pohl, T. Schenkel, M.L.W Thewalt, K.M. Itoh, S.A. Lyon, Nature Matter. 11, 143, (2012).
J. Hübner, F. Berski, R. Dahbashi and M. Oestreich, physica status solidi (b) 251, 1824 (2014).

100% | Mobile Layout | Deutsche Version | Contact/Imprint/Privacy
DPG-Physik > DPG-Verhandlungen > 2015 > Berlin