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Volumn 78, Issue 22, 2008, Pages

Unconventional spin freezing and fluctuations in the frustrated antiferromagnet NiGa2S4

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EID: 57749094788     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.78.220403     Document Type: Article
Times cited : (41)

References (24)
  • 8
    • 0000095527 scopus 로고
    • edited by G. L. Trigg (VCH, New York
    • J. H. Brewer, in Encyclopedia of Applied Physics, edited by, G. L. Trigg, (VCH, New York, 1994), Vol. 11, p. 23.
    • (1994) Encyclopedia of Applied Physics , vol.11 , pp. 23
    • Brewer, J.H.1
  • 10
    • 57749109888 scopus 로고    scopus 로고
    • A muon local-field component Bloc is quasistatic if it varies slowly compared to the muon spin precession period 2π/ γμ Bloc. We include the static limit in our use of this term. The dynamic muon spin relaxation time in zero or low applied field is then a lower bound on the correlation time of Bloc.
    • A muon local-field component Bloc is quasistatic if it varies slowly compared to the muon spin precession period 2π/ γμ Bloc. We include the static limit in our use of this term. The dynamic muon spin relaxation time in zero or low applied field is then a lower bound on the correlation time of Bloc.
  • 15
    • 57749106192 scopus 로고    scopus 로고
    • That is, Ps (t) = dWp (W) exp (-Wt). The stretched-exponential form is a purely empirical characterization of an a priori unknown p (W).
    • That is, Ps (t) = dWp (W) exp (-Wt). The stretched-exponential form is a purely empirical characterization of an a priori unknown p (W).
  • 16
    • 57749100119 scopus 로고    scopus 로고
    • Yaouanc et al. (Ref.) reported exponential rather than stretched-exponential muon relaxation in zero field above ∼10 K. This difference may be due to nuclear dipolar fields, which contribute in zero field (cf. Ref.) but are decoupled in our LF-μSR experiments.
    • Yaouanc,, (Ref.) reported exponential rather than stretched-exponential muon relaxation in zero field above ∼10 K. This difference may be due to nuclear dipolar fields, which contribute in zero field (cf. Ref.) but are decoupled in our LF-μSR experiments.
  • 23
    • 57749097403 scopus 로고    scopus 로고
    • Neutron-scattering data (Refs.) indicate a quasistatic Ni moment of ∼1.5μB, 75% of the Ni2+ S=1 Hund's-rule value. The remaining component is fluctuating and is presumably responsible for the μ+ relaxation.
    • Neutron-scattering data (Refs.) indicate a quasistatic Ni moment of ∼1.5 μB, 75% of the Ni2+ S=1 Hund's-rule value. The remaining component is fluctuating and is presumably responsible for the μ+ relaxation.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.