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Spin-ice physics in cadmium cyanide

Title data

Coates, Chloe S. ; Baise, Mia ; Schmutzler, Adrian ; Simonov, Arkadiy ; Makepeace, Joshua W. ; Seel, Andrew G. ; Smith, Ronald I. ; Playford, Helen Y. ; Keen, David A. ; Siegel, Renée ; Senker, Jürgen ; Slater, Ben ; Goodwin, Andrew L.:
Spin-ice physics in cadmium cyanide.
In: Nature Communications. Vol. 12 (April 2021) . - No. 2272.
ISSN 2041-1723
DOI: https://doi.org/10.1038/s41467-021-22515-3

Abstract in another language

Spin-ices are frustrated magnets that support a particularly rich variety of emergent physics. Typically, it is the interplay of magnetic dipole interactions, spin anisotropy, and geometric frustration on the pyrochlore lattice that drives spin-ice formation. The relevant physics occurs at temperatures commensurate with the magnetic interaction strength, which for most systems is 1-5K. Here, we show that non-magnetic cadmium cyanide, Cd(CN)(2), exhibits analogous behaviour to magnetic spin-ices, but does so on a temperature scale that is nearly two orders of magnitude greater. The electric dipole moments of cyanide ions in Cd(CN)(2) assume the role of magnetic pseudospins, with the difference in energy scale reflecting the increased strength of electric vs magnetic dipolar interactions. As a result, spin-ice physics influences the structural behaviour of Cd(CN)(2) even at room temperature. Spin-ice physics in frustrated magnets is constrained by the energy scale of magnetic interactions, which typically translates to temperatures of a few Kelvin. Here, the authors demonstrate that similar physics can be observed in the system of frustrated electric dipoles in Cd(CN)(2) even at room temperature.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: ISI:000641851600001
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry III > Chair Inorganic Chemistry III - Univ.-Prof. Dr. Jürgen Senker
Research Institutions > Research Centres > Nordbayerisches Zentrum für NMR-Spektroskopie - NMR-Zentrum
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 540 Chemistry
Date Deposited: 08 Jun 2021 07:05
Last Modified: 08 Jun 2021 07:05
URI: https://eref.uni-bayreuth.de/id/eprint/65686