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

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

arxiv: 0811.0386 · v1 · submitted 2008-11-04 · ❄️ cond-mat.str-el · cond-mat.stat-mech

μSR-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 This is my paper

classification ❄️ cond-mat.str-el cond-mat.stat-mech

keywords spinchnh3-cuclxbr1-xpropertiessystembond-disorderedcharacteristicdecreases

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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.

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

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