Magnetic order and muon motion in VO2
Magnetic order and muon motion in VO2
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VO2 中的磁序和 μ 子运动
DOI：
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发表时间：
2014
期刊：
影响因子：
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通讯作者：
G. Jayarathna
中科院分区：
文献类型：
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作者：
P. W. Mengyan;R. Lichti;B. B. Baker;G. Jayarathna
我们报告了第一次对二氧化钒（VO 2）进行的横向、纵向和零场测量，我们发现在T = 34.7 ± 0.16 K以下的μ子位置和340 K以上的泥浆运动处存在显著的局部磁场。μ子弛豫速率和Kubo-Toyabe delta参数在金属到半导体和结构转变（TMST <340 K）附近的明显变化表明，μ+SR测量可以提供额外的手段来进一步表征这些尚待理解的转变机制。
We report the first transverse, longitudinal and zero field measurements performed on Vanadium Dioxide (VO2) where we find a significant local magnetic field below T = 34.7 ± 0.16 K at the muon site and Mud motion above 340 K. Distinct shifts in the muon relaxation rates and Kubo-Toyabe delta parameters, near the metal to semiconductor and structural transition (TMST ≈ 340 K), show that μ+SR measurements may provide additional means to further characterize the mechanisms contributing to these transitions that are yet to be understood.