Muon-spin-rotation study of the effect of Zn substitution on magnetism in YBa2Cu3Ox.
Muon-spin-rotation study of the effect of Zn substitution on magnetism in YBa2Cu3Ox.
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Zn 取代对 YBa2Cu3Ox 磁性影响的 μ 子自旋旋转研究。
DOI：
10.1103/physrevb.49.10035
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发表时间：
1994
期刊：
影响因子：
--
通讯作者：
Stronach
中科院分区：
文献类型：
--
作者：
Mendels;Alloul;Brewer;Morris;Duty;Johnston;Ansaldo;Collin;Marucco;Niedermayer;Noakes;Stronach
在6.0≤x≤6.92的范围内，利用μ子自旋旋转和弛豫研究了YBa_2（Cu_（0.96）Zn_（0.04））_3Ox的磁性.绘制了完整的磁相图，并发现在x=6.4和x = 6.7（金属转变）之间存在无序的磁状态，与纯YBa_2Cu_3Ox相反。这种磁性状态的出现归因于Zn对掺杂空穴动力学的影响，并且可能与Zn（6.43≤x≤6.88）引起的局部磁矩的冻结有关，这也在顺磁状态下被检测到。
The magnetic properties of YBa2(Cu0.96Zn0.04)3Ox were studied in detail by means of muon spin rotation and relaxation for 6.0≤x≤6.92. The complete magnetic phase diagram was mapped out and a disordered magnetic state was found to persist between x=6.4 and x≃6.7 (metallic transition), in contrast with pure YBa2Cu3Ox. The appearance of this magnetic state is attributed to the effect of Zn on the doped hole dynamics and might be associated with the freezing of local moments due to Zn (6.43≤x≤6.88), which were also detected here, in the paramagnetic state.