http://www.cnr.it/ontology/cnr/individuo/prodotto/ID18526
Magnetic analysis of MnAs films grown on GaAs and Si substrates for potential spintronics and magnetocaloric applications (Articolo in rivista)
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- Label
- Magnetic analysis of MnAs films grown on GaAs and Si substrates for potential spintronics and magnetocaloric applications (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.jmmm.2009.09.013 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Solzi Massimo; Pernechele Chiara; Ghidini Massimo; Natali Marco;Bolzan Marco (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://www.sciencedirect.com/science/article/pii/S0304885309009263 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- Scopu (literal)
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1-3: Dipartimento di Fisica,Università di Parma and CNISM - Parma
4-5: ICIS-CNR, Padova (literal)
- Titolo
- Magnetic analysis of MnAs films grown on GaAs and Si substrates for potential spintronics and magnetocaloric applications (literal)
- Abstract
- We present a magnetic characterisation of MnAs films grown by MOVPE on semiconductor substrates, for comparing the effect of thickness and substrate on their magnetic and magneto-thermal properties, with particular focus on the nature of the magneto-structural transition between the ferromagnetic hexagonal ±-phase and the paramagnetic orthorhombic ²-phase. The nature of this transformation depends on the presence of strain and turns out to be of second-order type for epitaxialcrystalline MnAs/(0 0 1)GaAs films and closer to a first-order type for polycrystalline MnAs/SiO2/Si films. The magnetocaloric effect at the transition has been estimated for thin film samples, resulting appreciably lower than that of bulk MnAs. (literal)
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