Muon spin relaxation in spin gap state of BaVS3 |
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| Authors: | Nakamura H Imai H Shiga M Mekata M Nishiyama K Nagamine K |
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| Institution: | (1) Department of Materials Science and Engineering, Kyoto University, Kyoto 606-8501, Japan;(2) Department of Applied Physics, Fukui University, Fukui 910-8507, Japan;(3) Meson Science Laboratory, KEK, Tsukuba, Ibaraki 305-0801, Japan |
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| Abstract: | Positive muon spin relaxation measurements were performed on a spin-1/2 system BaVS3, which shows a metal-insulator transition at TMI= 70 K. We found a marked muon-spin depolarization below TX= 30 K without appreciable critical divergence. The possibility of muonium formation in the insulating state rather than electron
spin freezing is discussed taking into account the quenching of V spins evidenced by 51V NMR and NQR measurements.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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