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Title: Magnetic structures in ultra-thin Holmium films: Influence of external magnetic field
Authors: Anselmo, Dory Hélio Aires de Lima
Rodrigues, L. J.
Mello, V. D.
Vasconcelos, Manoel Silva de
Keywords: Rare-earth;Magnetic phase;Nanofilm;Specific heat
Issue Date: 1-Mar-2015
Publisher: Elsevier
Citation: RODRIGUES, L.J.; MELLO, V.D.; ANSELMO, D.H.A. L.; VASCONCELOS, M.S.. Magnetic structures in ultra-thin Holmium films: influence of external magnetic field. Journal Of Magnetism And Magnetic Materials, [s.l.], v. 377, p. 24-28, mar. 2015. Disponível em: Acesso em: 03 Jun 2020.
Portuguese Abstract: We address the magnetic phases in very thin Ho films at the temperature interval between 20 K and 132 K. We show that slab size, surface effects and magnetic field due to spin ordering impact significantly the magnetic phase diagram. Also we report that there is a relevant reduction of the external field strength required to saturate the magnetization and for ultra-thin films the helical state does not form. We explore the specific heat and the susceptibility as auxiliary tools to discuss the nature of the phase transitions, when in the presence of an external magnetic field and temperature effects. The presence of an external field gives rise to the magnetic phase Fan and the spin-slip structures
ISSN: 0304-8853
Appears in Collections:CCET - DFTE - Artigos publicados em periódicos

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