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  Role of Hyperfine Coupling in Magnetic and Quadrupolar Ordering of Pr3Pd20Si6

Steinke, L., Mitsumoto, K., Miclea, C. F., Weickert, F., Donni, A., Akatsu, M., et al. (2013). Role of Hyperfine Coupling in Magnetic and Quadrupolar Ordering of Pr3Pd20Si6. Physical Review Letters, 111(7): 077202, pp. 077202-1-077202-5. doi:10.1103/PhysRevLett.111.077202.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-1E7A-E Version Permalink: http://hdl.handle.net/21.11116/0000-0000-FD0A-9
Genre: Journal Article

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 Creators:
Steinke, L.1, Author              
Mitsumoto, K.2, Author              
Miclea, C. F.3, Author              
Weickert, F.3, Author              
Donni, A., Author
Akatsu, M., Author
Nemoto, Y., Author
Goto, T., Author
Kitazawa, H., Author
Thalmeier, P.4, Author              
Brando, M.5, Author              
Affiliations:
1Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863462              
2Max Planck Institute for Chemical Physics of Solids, ou_1863404              
3Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
4Peter Thalmeier, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863457              
5Manuel Brando, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863469              

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 Abstract: 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.

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Language(s): eng - English
 Dates: 2013-08-14
 Publication Status: Published in print
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Title: Physical Review Letters
Source Genre: Journal
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Pages: - Volume / Issue: 111 (7) Sequence Number: 077202 Start / End Page: 077202-1 - 077202-5 Identifier: ISSN: 0031-9007