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Size-dependent paramagnetic-ferromagnetic phase transition in palladium clusters
2000 (engelsk)Inngår i: Physical Review B Condensed Matter, ISSN 0163-1829, E-ISSN 1095-3795, Vol. 62, nr 18, s. 11957-11960Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Ab initio calculations performed for T=0 K show that in palladium clusters below a critical size the high surface energy anisotropy stabilizes the icosahedral multiply twinned particle structure against the fee structure. Model calculations support the appearance of ferromagnetic order for the noncrystallographic icosahedral symmetry with a small (0.11 mu (B)) magnetic moment per atom. These results explain the recent experimental findings [Europhys. Lett. 38, 195 (1997)] that small free palladium clusters exhibit spontaneous ferromagnetic order.

sted, utgiver, år, opplag, sider
2000. Vol. 62, nr 18, s. 11957-11960
Emneord [en]
multiply twinned particles, electronic-structure, 4d, magnetism, energy, metals
Identifikatorer
URN: urn:nbn:se:kth:diva-20151ISI: 000165224500011OAI: oai:DiVA.org:kth-20151DiVA, id: diva2:338844
Merknad
QC 20100525Tilgjengelig fra: 2010-08-10 Laget: 2010-08-10 Sist oppdatert: 2020-01-30bibliografisk kontrollert

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