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Title: Crystal electric field excitations in the quasicrystal approximant TbCd 6 studied by inelastic neutron scattering

Journal Article · · Physical Review B
 [1];  [2];  [1];  [1];  [3];  [1];  [1];  [2];  [1];  [1]
  1. Ames Lab. and Iowa State Univ., Ames, IA (United States). Dept. of Physics and Astronomy
  2. Univ. of Grenoble (France)
  3. Tokyo Univ. of Science, Noda (Japan). Dept. of Materials Science and Technology

Here, we have performed inelastic neutron scattering measurements on powder samples of the quasicrystal approximant, TbCd6, grown using isotopically enriched 112Cd. Both quasielastic scattering and distinct inelastic excitations were observed below 3 meV. The intensity of the quasielastic scattering measured in the paramag- netic phase diverges as TN ~ 22 K is approached from above. The inelastic excitations, and their evolution with temperature, are well characterized by the leading term, B$$0\atop{2}$$O$$0\atop{2}$$, of the crystalline electric field (CEF) level scheme for local pentagonal symmetry for the rare-earth ions [1] indicating that the Tb moment is directed primarily along the unique local pseudo-five-fold axis of the Tsai-type clusters. We also find good agreement between the inverse susceptibility determined from magnetization measurements using a magnetically diluted Tb0.05Y0.95Cd6 sample and that calculated using the CEF level scheme determined from the neutron measurements.

Research Organization:
Ames Lab., Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-07CH11358
OSTI ID:
1347911
Alternate ID(s):
OSTI ID: 1342977
Report Number(s):
IS-J 9240; PRBMDO; TRN: US1700874
Journal Information:
Physical Review B, Vol. 95, Issue 5; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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Cited By (6)

A neutron diffraction demonstration of long-range magnetic order in the quasicrystal approximant DyCd 6 journal March 2019
Effects of crystalline electronic field and onsite interorbital interaction in Yb-based quasicrystal and approximant crystal journal April 2018
New materials physics journal November 2019
Whirling spin order in the quasicrystal approximant Au 72 Al 14 Tb 14 journal August 2019
Antiferromagnetic order is possible in ternary quasicrystal approximants journal December 2018
Effects of Crystalline Electronic Field and Onsite Interorbital Interaction in Yb-based Quasicrystal and Approximant Crystal text January 2018

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