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Giant magnetic anisotropy and tunnelling of the magnetization in Li-2(Li1-xFex)N

TitleGiant magnetic anisotropy and tunnelling of the magnetization in Li-2(Li1-xFex)N
Publication TypeJournal Article
Year of Publication2014
AuthorsJesche, A, McCallum, RW, Thimmaiah, S, Jacobs, JL, Taufour, V, Kreyssig, A, Houk, RS, Bud'ko, SL, Canfield, PC
JournalNature Communications
Volume5
Pagination3333
Date Published02
Type of ArticleArticle
ISBN Number2041-1723
Accession NumberWOS:000332668900003
Keywordsbehavior, blocking, cluster, crystal-structure, exchange, lanthanide complexes, relaxation, single-molecule magnet, temperature, transition
Abstract

1 and indicate the presence of nanoscale magnetic centres. Quantum tunnelling, in the form of temperature-independent relaxation and coercivity, deviation from Arrhenius behaviour and blocking of the relaxation, dominates the magnetic properties up to 10 K. The simple crystal structure, the availability of large single crystals and the ability to vary the Fe concentration make Li-2(Li1-xFex) N an ideal model system to study macroscopic quantum effects at elevated temperatures and also a basis for novel functional magnetic materials.

DOI10.1038/ncomms4333
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