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          Institute: MPI für Chemische Physik fester Stoffe     Collection: publications 2013     Display Documents



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ID: 670783.0, MPI für Chemische Physik fester Stoffe / publications 2013
Role of Hyperfine Coupling in Magnetic and Quadrupolar Ordering of Pr3Pd20Si6
Authors:Steinke, L.; Mitsumoto, K.; Miclea, C. F.; Weickert, F.; Donni, A.; Akatsu, M.; Nemoto, Y.; Goto, T.; Kitazawa, H.; Thalmeier, P.; Brando, M.
Language:English
Date of Publication (YYYY-MM-DD):2013-08-14
Title of Journal:Physical Review Letters
Volume:111
Issue / Number:7
Start Page:077202-1
End Page:077202-5
Sequence Number of Article:077202
Review Status:not specified
Audience:Not Specified
Abstract / Description:We study the ternary clathrate Pr3Pd20Si6 in specific heat and ac susceptibility measurements on a high-quality single crystal, distinguishing antiferromagnetic and antiferroquadrupolar ordering, as well as a hitherto unknown magnetic low-temperature transition. The specific heat shows the direct involvement of nuclear spin degrees of freedom in the antiferromagnetic ordering, which is well supported by our calculation of the hyperfine level scheme without adjustable parameters. Pr3Pd20Si6 is, therefore, one of the rare materials where the nuclear moments are involved in the formation of the magnetic ground state.
External Publication Status:published
Document Type:Article
Communicated by:Ina Werner
Affiliations:MPI für chemische Physik fester Stoffe
Identifiers:ISI:000323159500010 [ID No:1]
ISSN:0031-9007 [ID No:2]
DOI:10.1103/PhysRevLett.111.077202
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