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Structural and magnetic properties of Ge1-xMnx/Ge(001) 2x1 diluted magnetic semiconductors (Articolo in rivista)
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- Structural and magnetic properties of Ge1-xMnx/Ge(001) 2x1 diluted magnetic semiconductors (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1051/jp4:2006132044 (literal)
- Alternative label
de Padova, P (1); Quaresima, C (1); Perfetti, P (1); Zema, N (1); Grazioli, C (1); Veronese, M (1); Olivieri, B (2); Richter, MC (3); Heckmann, O (3); D'Orazio, F (4); Lucari, F (4); Hricovin, K (3) (2006)
Structural and magnetic properties of Ge1-xMnx/Ge(001) 2x1 diluted magnetic semiconductors
in Journal de physique. IV
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- de Padova, P (1); Quaresima, C (1); Perfetti, P (1); Zema, N (1); Grazioli, C (1); Veronese, M (1); Olivieri, B (2); Richter, MC (3); Heckmann, O (3); D'Orazio, F (4); Lucari, F (4); Hricovin, K (3) (literal)
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- 1 CNR-ISM, via Fosso del Cavaliere, 00133 Roma, Italy
2 CNR-ISAC, via Fosso del Cavaliere, 00133 Roma, Italy
3 LMPS, Université de Cergy-Pontoise, Neuville/Oise, 95031 Cergy-Pontoise, France
4 INFM-Dipartimento di Fisica, Univ. di L'Aquila, Via Vetoio-Coppito, I-67010 L'Aquila, Italy (literal)
- Titolo
- Structural and magnetic properties of Ge1-xMnx/Ge(001) 2x1 diluted magnetic semiconductors (literal)
- Abstract
- Structural and magnetic properties of Ge1-xMnx alloys, epitaxially grown on a Ge(001)2 x 1 surface have been investigated. We prepared Ge1-xMnx films by MBE as a function of substrate temperature and Mn concentration x. In-situ RHEED was used to monitor the streaks of the Ge1-xMnx epitaxial films. The optimal temperature, to obtain a very well-ordered epitaxial Ge1-xMnx alloy, for Mn concentrations of x = 0.02, and x = 0.04, was found to be 525 K. Ex-situ magneto-optical Kerr effect and XMCD at the L-2/3 Mn2p absorption edges on Ge1-x Mn-x films, show isotropic magnetic properties. The Curie temperature of about 270 K was found on most of the ordered samples. (literal)
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