Spin polarization tuning in Mn5-xFexGe3

Autor(en)

Alessandro Stroppa, Georg Kresse, A Continenza

Abstrakt

Experimentally, the intermetallic compound Mn(4)FeGe(3) has been recently shown to exhibit enhanced magnetic properties and spin polarization compared to the Mn(5)Ge(3) parent compound. The present ab initio study focuses on the effect of Fe substitution on the electronic and magnetic properties of the compound. Our calculations reveal that the changes on the Fermi surface of the doped compound are remarkable, and provide explanations for the enhanced spin polarization observed. Finally, we show that it is indeed possible to tune the degree of spin polarization upon Fe doping, thus making the Mn(5-x)Fe(x)Ge(3) intermetallic alloy very promising for future spintronic applications.

Organisation(en)

Computergestützte Materialphysik

Externe Organisation(en)

Università degli Studi dell’Aquila

Journal

Applied Physics Letters

Band

93

Anzahl der Seiten

3

ISSN

0003-6951

DOI

https://doi.org/10.1063/1.2977469

Publikationsdatum

2008

Peer-reviewed

Ja

ÖFOS 2012

103015 Kondensierte Materie

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/40fe6876-ef72-4a85-957b-f9444da6be16