Antiferromagnetism and crystalline electric field excitations in tetragonal NaCeO2
Journal Article
·
· Physical Review B
- Univ. of California, Santa Barbara, CA (United States)
- Univ. of California, Santa Barbara, CA (United States). Materials Research Lab.
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
In this work, we investigate the crystal structure, magnetic properties, and crystalline electric field of tetragonal, . In this compound, ions form a tetragonally elongated diamond lattice coupled by antiferromagnetic interactions ( K) that magnetically order below K. The crystalline electric field-split multiplet is studied via inelastic neutron scattering to parametrize a ground state doublet composed of states possessing mixed character. Neutron powder diffraction data reveal the onset of -type antiferromagnetism with moments aligned along the axis. The magnetic structure is consistent with the expectations of a frustrated Heisenberg model on the elongated diamond lattice with effective exchange values and .
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Univ. of California, Santa Barbara, CA (United States)
- Sponsoring Organization:
- National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
- Grant/Contract Number:
- AC05-00OR22725; SC0017752
- OSTI ID:
- 1766383
- Alternate ID(s):
- OSTI ID: 1782244
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 2 Vol. 103; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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