Magnetic ordering of EuTe/PbTe multilayers determined by x-ray resonant diffraction
Contribuinte(s) |
UNIVERSIDADE DE SÃO PAULO |
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Data(s) |
18/04/2012
18/04/2012
2008
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Resumo |
In this work we use resonant x-ray diffraction combined with polarization analysis of the diffracted beam to study the magnetic ordering in EuTe/PbTe multilayers. The presence of satellites at the (1/2 1/2 1/2) magnetic reflection of a 50 /repetition EuTe/PbTe superlattice demonstrated the existence of magnetic correlations among the alternated EuTe layers. The behavior of the satellites intensity as T increases toward the Neel temperature T(N) indicates that these correlations persist nearly up to T(N) and suggests the preferential decrease of the magnetic order parameter of external monolayers of each EuTe layer within the superlattice. (C) 2008 American Institute of Physics. |
Identificador |
APPLIED PHYSICS LETTERS, v.92, n.24, 2008 0003-6951 http://producao.usp.br/handle/BDPI/16264 10.1063/1.2945802 |
Idioma(s) |
eng |
Publicador |
AMER INST PHYSICS |
Relação |
Applied Physics Letters |
Direitos |
openAccess Copyright AMER INST PHYSICS |
Palavras-Chave | #NEUTRON-DIFFRACTION #SUPERLATTICES #SCATTERING #Physics, Applied |
Tipo |
article original article publishedVersion |