NMR study of nematic spin fluctuations in a detwinned single crystal of underdoped
Journal Article
·
· Physical Review B
- Univ. of California, Davis, CA (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Ames Lab. and Iowa State Univ., Ames, IA (United States)
- Univ. of Minnesota, Minneapolis, MN (United States)
We report the experimental details of how mechanical detwinning can be implemented in tandem with high sensitivity nuclear magnetic resonance measurements and use this setup to measure the inplane anisotropy of the spin-lattice relaxation rate in underdoped Ba(Fe1-xCox)2As2 with x = 0:048. The anisotropy reaches a maximum of 30% at TN, and the recovery data reveal that the glassy behavior of the spin fluctuations present in the twinned state persist in the fully detwinned crystal. A theoretical model is presented to describe the spin-lattice relaxation rate in terms of anisotropic nematic spin fluctuations.
- Research Organization:
- Ames Lab., Ames, IA (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- DMR-1506961; PHY-1066293; SC0012336; AC02-07CH11358; AC52-06NA25396
- OSTI ID:
- 1335028
- Alternate ID(s):
- OSTI ID: 1328634; OSTI ID: 1357140
- Report Number(s):
- IS-J-9132; LA-UR-17-22942; PRBMDO
- Journal Information:
- Physical Review B, Vol. 94, Issue 16; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 13 works
Citation information provided by
Web of Science
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