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首页> 外文期刊>Physica, B. Condensed Matter >Can the dynamics and reactivity of Mu(+) and Mu(-) in heavily doped n-type and p-type silicon be studied?
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Can the dynamics and reactivity of Mu(+) and Mu(-) in heavily doped n-type and p-type silicon be studied?

机译：是否可以研究重掺杂的n型和p型硅中Mu（+）和Mu（-）的动力学和反应性？

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摘要

We report on the stability and dynamics of muonium centers in heavily doped p-type and n-type Si crystals. The measurements were conducted and were carried out at the ISIS facility in the United Kingdom. This allows us to detect weak dipolar interactions between the probe and its surrounding host nuclei. The Mu(+) center was successfully observed in the p-type Si:B sample, where its dipolar interaction with the Si-29 neighboring nuclei was detected. The stability, diffusivity and reactivity of this positive diamagnetic center were clearly identified. On the other hand, the neutral Mu(BC)(0) center appear to dominate the dynamics in the n-type Si:As sample due to its very rapid spin exchange rate (10(6) MHz), and thus it conceals the effect due to the Mu(-) center.
机译：我们报告了重掺杂的p型和n型Si晶体中mu中心的稳定性和动力学。测量是在英国的ISIS设施中进行的。这使我们能够检测探针及其周围宿主核之间的弱偶极相互作用。在p型Si：B样品中成功观察到Mu（+）中心，在该样品中检测到它与Si-29相邻原子核的偶极相互作用。明确确定了该正反磁性中心的稳定性，扩散性和反应性。另一方面，中性的Mu（BC）（0）中心由于其非常快的自旋交换速率（10（6）MHz）而似乎在n型Si：As样品中占据着主导地位，因此它掩盖了Mu（-）中心引起的效应。

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