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Two dimensional electron gas confined over a spherical surface: Magnetic moment



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Hernando Grande, Antonio y Crespo del Arco, Patricia y García, M. A. (2011) Two dimensional electron gas confined over a spherical surface: Magnetic moment. Journal of physics: Conference series, 292 . ISSN 1742-6588

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URL Oficial: http://dx.doi.org/10.1088/1742-6596/292/1/012005

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Magnetism of capped nanoparticles, NPs, of non- magnetic substances as Au and ZnO is briefly reviewed. The source of the magnetization is discussed on the light of recent X-ray magnetic circular dichroism experiments. As magnetic dichroism analysis has pointed out impurity atoms bonded to the surface act as donor or acceptor of electrons that occupy the surface states. It is proposed that mesoscopic collective orbital magnetic moments induced at the surface states can account for the experimental magnetism characteristic of these nanoparticles. The total magnetic moment of the surface originated at the unfilled Fermi level can reach values as large as 10(2) or 10(3) Bohr magnetons.

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© Iop Publishing Ltd.
International Conference on Trends in Spintronics and Nanomagnetism (TSN) (2010 Lecce, Italia)
This work has been supported by the Spanish Government through projects MAT2009-14741-C02-01 and CSD2007-00010

Palabras clave:Semiconductors; Ferromagnetism; Nanoparticles
Materias:Ciencias > Física > Física de materiales
Ciencias > Física > Física del estado sólido
Código ID:41710
Depositado:10 Mar 2017 15:39
Última Modificación:14 Feb 2018 15:12

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