首页> 外文会议>Gettering and defect engineering in semiconductor technology XVI >Spin relaxation times of donor centers associated with lithium in monoisotopic ~(28)Si
【24h】

Spin relaxation times of donor centers associated with lithium in monoisotopic ~(28)Si

机译:单同位素〜(28)Si中与锂相关的供体中心的自旋弛豫时间

获取原文
获取原文并翻译 | 示例

摘要

We report a detailed study of electron longitudinal and transverse spin relaxation times for Li donors in monoisotopic ~(28)Si over the temperature range 4-20 K using continuous wave and pulsed electron paramagnetic resonance. Comparison of the obtained spin-lattice relaxation times for the states of the isolated donor center and lithium complex LiO showed that due to the presence of orbital degeneracy, relaxation is faster for single lithium than for the LiO complexes with the nondegenerate ground state. For the isolated lithium center in silicon the relaxation is well described by Blume-Orbach process, with the parameters of the spin-orbit coupling ~ 1·10~(-6)meV compare to Orbach process for LiO complex with spin-orbit coupling parameter ~ 1.5• 10~(-2) meV.
机译:我们报告了使用连续波和脉冲电子顺磁共振在4-20 K的温度范围内,单同位素〜(28)Si中的Li供体的电子纵向和横向自旋弛豫时间的详细研究。比较分离的供体中心和锂配合物LiO的状态所获得的自旋晶格弛豫时间,结果表明,由于存在轨道简并性,单个锂的弛豫速度比具有未退化基态的LiO配合物快。对于孤立的硅中心锂,弛豫可以通过Blume-Orbach过程很好地描述,自旋轨道耦合的参数〜1·10〜(-6)meV与具有自旋轨道耦合参数的LiO络合物的Orbach过程相比〜1.5•10〜(-2)meV。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号