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Very low-temperature muon relaxation in an organic spin-Peierls compound

Authors
Journal
Physica B Condensed Matter
0921-4526
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/s0921-4526(00)00300-8
Keywords
  • Spin-Peierls
  • Polaron
  • Relaxation

Abstract

Abstract We have observed strong muon-spin relaxation (μSR) in the spin-Peierls compound MEM(TCNQ) 2 at temperatures down to 39 mK. We attribute this relaxation to the creation of defect spins by the muon. Furthermore, we observe a slowing down of spin fluctuations as the spin-Peierls energy gap opens, and we relate this effect to the size of the energy gap.

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