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IBS Publications RepositoryCenter for Correlated Electron Systems(강상관계 물질 연구단)1. Journal Papers (저널논문)
Dynamic spin fluctuations in the frustrated A-site spinel CuAl2O4
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- Title
- Dynamic spin fluctuations in the frustrated A-site spinel CuAl2O4
- Author(s)
- Hwanbeom Cho; R. Nirmala; Jaehong Jeong; Peter J. Baker; Hikaru Takeda; Nobuyoshi Mera; Stephen J. Blundell; Masashi Takigawa; D. T. Adroja; Je-Geun Park
- Subject
- RELAXATION, ; MGAL2O4, ; NMR, ; SRCR8GA4O19, ; LIQUID
- Publication Date
- 2020-07
- Journal
- PHYSICAL REVIEW B, v.102, no.1, pp.014439
- Publisher
- AMER PHYSICAL SOC
- Abstract
- © 2020 American Physical Society. We performed nuclear magnetic resonance (NMR) and muon spin relaxation (mu SR) experiments to identify the magnetic ground state of the frustrated quantum A-site spinel, CuAl2O4. Our results verify that the ground state does not exhibit a long-range magnetic ordering, but a glasslike transition manifests at T* = 2.3K. However, the Gaussian shape and the weak longitudinal field dependence of mu SR spectra below T* show that the ground state has dynamic spin fluctuations, distinct from those of conventional spin glasses
- ISSN
- 2469-9950
- Appears in Collections:
- Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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