Neutron spin echo studies of the glass-like pyrochlore Y2Mo2O7

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Proceedings titleJournal of Magnetism and Magnetic Materials
ConferenceInternational Conference on Magnetism (ICM 2000), 6–11 August 2000, Recife, Brazil
Pages460462; # of pages: 3
SubjectMagnetic frustration; Neutron scattering; Pyrochlore
AbstractWe performed neutron spin echo measurements, on the geometrically frustrated antiferromagnet Y2Mo2O7 to reveal the magnetic nature of this glass-like system close to the freezing temperature, Tf. Diffuse magnetic scattering S(Q), indicative of spatial correlations, were observed to peak at a wave vector, Q[approximate]0.45??-1 below 25?K. The normalized intermediate scattering function, S(Q,t)/S(Q, 0), was measured as a function of temperature and Q. This provides evidence of the dynamics within the system and reveals at least two relaxation processes above and below Tf[approximate]22.5?K.
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AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12337698
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Record identifier0e5968eb-8526-434c-bd4c-97ae9bf1097b
Record created2009-09-10
Record modified2016-05-09
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