\muSR-dtected Soft mode toward a Possible Phase Transition in disordered spin gap system (CH3)2CHNH3-Cu(ClxBr1-x)3

T. Goto; T. Suzuki; I. Watanabe; K. Kanada; T. Saito; A. Oosawa; H. Manaka

doi:10.1016/j.physb.2008.11.107

\muSR-dtected Soft mode toward a Possible Phase Transition in disordered spin gap system (CH3)2CHNH3-Cu(ClxBr1-x)3

Strongly Correlated Electrons 2009-11-13 v1 Statistical Mechanics

Authors: T. Goto , T. Suzuki , I. Watanabe , K. Kanada , T. Saito , A. Oosawa , H. Manaka

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Abstract

Measurements of macroscopic properties have indicated that the bond-disordered spin-gap system (CH3)2CHNH3-Cu(ClxBr1-x)3 is gapless when x is between 0.44 and 0.87. Using muon spin relaxation to investigate microscopic properties of sample with x=0.35, we observed a dynamical spin fluctuation, whose characteristic frequency decreases with decreasing temperature, indicating a magnetic ground state.

Keywords

spin gap system muon spin relaxation soft mode phase transition disordered system spin fluctuation magnetic ground state

Cite

@article{arxiv.0811.0386,
  title  = {\muSR-dtected Soft mode toward a Possible Phase Transition in disordered spin gap system (CH3)2CHNH3-Cu(ClxBr1-x)3},
  author = {T. Goto and T. Suzuki and I. Watanabe and K. Kanada and T. Saito and A. Oosawa and H. Manaka},
  journal= {arXiv preprint arXiv:0811.0386},
  year   = {2009}
}

Comments

4 pages. Submitted to muSR2008(Tsukuba) and accepted for publication

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