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Spin glass and glass-like lattice behaviour in HoB66 at low temperatures

TitleSpin glass and glass-like lattice behaviour in HoB66 at low temperatures
Publication TypeJournal Article
Year of Publication2013
AuthorsNovikov, VV, Avdashchenko, DV, Bud'ko, SL, Mitroshenkov, NV, Matovnikov, AV, Kim, H, Tanatar, MA, Prozorov, R
JournalPhilosophical Magazine
Volume93
Pagination1110-1123
Date Published03
Type of ArticleArticle
ISBN Number1478-6435
Accession NumberWOS:000316111100006
Keywordsalloys, Borides, boron, functions, heat-capacity, Holmium, holmium boride, lattice dynamics, Low temperatures, Magnetic properties, magnetic-susceptibility, range, solid-solutions, Specific heat, Spin glass, thermal-expansion, thermodynamic
Abstract

The low-temperature specific heat, magnetic susceptibility, and thermal expansion are studied experimentally in the fcc boride HoB66 and compared to similar quantities in non-magnetic LuB66. The anomalous behaviour observed in HoB66 is explained within a glass-like picture together with magnetic subsystem ordering processes. The character of the observed anomalies suggests the existence of a spin-glass phase transition in HoB66 below a characteristic temperature of T s approximate to 0.98K.

DOI10.1080/14786435.2012.739291
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