Ferromagnetism in fcc twinned 2.4 nm size Pd nanoparticles



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Sampedro, B. and Crespo del Arco, Patricia and Hernando Grande, Antonio and Litran, R. and Sánchez López, J. C. and López Cartes, C. and Fernández, A. and Ramírez, J. and Gónzalez Calbet, J. and Vallet, M. (2003) Ferromagnetism in fcc twinned 2.4 nm size Pd nanoparticles. Physical review letters, 91 (23). ISSN 0031-9007

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.91.237203


The onset of ferromagnetism has been experimentally observed in small Pd particles of average diameter 2.4 nm. High-resolution studies reveal that a high percentage of the fcc particle exhibits single and multiple twinning boundaries. The spontaneous magnetization close to 0.02 emu/g seems to indicate that only a small fraction of atoms holds a permanent magnetic moment and contributes to ferromagnetism. The possible origin of ferromagnetism is briefly discussed according to different models recently reported.

Item Type:Article
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©2003 The American Physical Society.

Uncontrolled Keywords:High-resolution tem; Electronic-structure; Palladium clusters; 4d Ferromagnetism; Transition; Magnetism
Subjects:Sciences > Physics > Materials
Sciences > Physics > Solid state physics
ID Code:42210
Deposited On:20 Apr 2017 16:20
Last Modified:20 Apr 2017 16:20

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