Structural and magnetic properties of GeMn layers; High Curie temperature ferromagnetism induced by self organized GeMn nano‐columns | Zendy

Devillers T. | Zendy; Jamet M. | Zendy; Barski A. | Zendy; Poydenot V. | Zendy; Dujardin R. | Zendy; Bayle Guillemaud P. | Zendy; Rothman J. | Zendy; Bellet Amalric E. | Zendy; Cibert J. | Zendy; Mattana R. | Zendy; Tatarenko S. | Zendy

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Structural and magnetic properties of GeMn layers; High Curie temperature ferromagnetism induced by self organized GeMn nano‐columns

Author(s) -

Devillers T.,

Jamet M.,

Barski A.,

Poydenot V.,

Dujardin R.,

Bayle Guillemaud P.,

Rothman J.,

Bellet Amalric E.,

Cibert J.,

Mattana R.,

Tatarenko S.

Publication year - 2007

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.200673026

Subject(s) - curie temperature , nanoclusters , ferromagnetism , materials science , nano , condensed matter physics , hall effect , analytical chemistry (journal) , nanotechnology , chemistry , magnetic field , composite material , physics , chromatography , quantum mechanics

In this paper we report on the structural and magnetic properties of GeMn layers grown on Ge(001). We show that for the optimized Mn concentration (6%) and for optimized growth temperature (close to 130 °C), GeMn samples exhibit a high Curie temperature (higher than 400 K) and Anomalous Hall Effect up to room temperature. Our GeMn layers grown at low temperature (70 °C to 130 °C) are composed of vertical Mn‐rich nano‐colums. Samples grown at temperatures higher than 130 °C contain GeMn nanoclusters. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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