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μSR Study of the Unusual Magnetic Ordering in the Frustrated Antiferromagnet Zn(Cr x Ga1−x )2O4

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Abstract

μSR spectra on the spin frustrating spinel antiferromagnet Zn(Cr x Ga1−x )2O4 (x=0.9,1.0) have been measured. For x=1.0 compound, both the relaxation rate and the initial asymmetry showed distinct anomalies at the Néel temperature. The magnetic susceptibility for the x=0.9 compound was known to have a faint peak at around 12 K, whose origin was not clear so far. Our μSR study revealed that this temperature is the onset temperature of development of the magnetic correlation accompanied by appreciable spin fluctuations.

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References

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Authors and Affiliations

  1. Department of Applied Physics, Fukui University, Fukui, 910-8507, Japan

    H. Kikuchi & H. Fukushima

  2. Meson Science Laboratory, Institute of Materials Structure Science, High Energy Accelerator Research Organization, Oho, Tsukuba, 305-0801, Japan

    W. Higemoto & K. Nishiyama

Authors
  1. H. Kikuchi
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  2. H. Fukushima
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  3. W. Higemoto
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  4. K. Nishiyama
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Kikuchi, H., Fukushima, H., Higemoto, W. et al. μSR Study of the Unusual Magnetic Ordering in the Frustrated Antiferromagnet Zn(Cr x Ga1−x )2O4 . Hyperfine Interactions 136, 301–305 (2001). https://doi.org/10.1023/A:1020569221760

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  • DOI: https://doi.org/10.1023/A:1020569221760

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