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Frustration driven lattice distortion: an NMR investigation of Y2Mo2O7

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1103/PhysRevLett.87.177201
AuthorSearch for: ; Search for: 1
Affiliation
  1. National Research Council Canada. NRC Steacie Institute for Molecular Sciences
FormatText, Article
Subjectcondensed matter - strongly correlated electrons
Abstract
We have investigated the 89Y NMR spectrum and spin lattice relaxation, T1, in the magnetically frustrated pyrochlore Y2Mo2O7. We find that upon cooling the spectrum shifts, and broadens asymmetrically. A detailed examination of the low T spectrum reveals that it is constructed from multiple peaks, each shifted by a different amount. We argue that this spectrum is due to discrete lattice distortions, and speculate that these distortions relieve the frustration and reduce the system's energy.
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In
  • Physical Review Letters 87, no. 17, 177201: 177201-1–177201-4.
LanguageEnglish
Peer reviewedYes
NPARC number12339144
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Record identifier581ccd8e-df4c-4fce-afbd-b29fb40d3dbd
Record created2009-09-11
Record modified2020-03-27
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