{sup 166}Er Mössbauer spectroscopy study of magnetic ordering in a spinel-based potential spin-ice system: CdEr{sub 2}S{sub 4}
Journal Article
·
· Journal of Applied Physics
- Institut Nanosciences et Cryogénie, SPSMS, CEA and Université Grenoble Alpes, F-38000 Grenoble (France)
{sup 166}Er Mössbauer spectroscopy measurements of CdEr{sub 2}S{sub 4} show a large hyperfine field (B{sub hf}) of 727.6(8) T at 5 K and clear evidence for slow paramagnetic relaxation with an energy barrier to reversal of 114(3) K. This behaviour stands in strong contrast to that of the corresponding pyrochlores (Er{sub 2}Sn{sub 2}O{sub 7} and Er{sub 2}Ti{sub 2}O{sub 7}) where no magnetic effects are seen down to 1.56 K. The clearly dynamic {sup 166}Er Mössbauer spectra and the absence of a break in the susceptibility data suggest that there is no magnetic order above 1.8 K in CdEr{sub 2}S{sub 4}.
- OSTI ID:
- 22410016
- Journal Information:
- Journal of Applied Physics, Vol. 117, Issue 17; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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