王力

• 1:东华大学物理学院

摘要(Abstract)：

电子顺磁共振技术是研究物质中未成对电子自旋状态,以及对物质结构和能量传递方式的重要手段。利用调制磁场和锁相放大器在教学用大华电子顺磁共振系统上的改造,获得一阶微分吸收信号,并利用NI LabVIEW软件平台实现信号的控制和采集,获得标准样品DPPH的弛豫时间和朗德尔因子大小。通过实验教学,使同学们对调制磁场和锁相放大器在磁学实验中微弱信号的处理技术应用上有了更直观的理解,提高了综合实验技能。

关键词(KeyWords)： 电子顺磁共振实验;锁相放大器;调制磁场;朗德尔因子;弛豫时间

Abstract:

Keywords:

基金项目(Foundation): 东华大学物理学院教改项目

作者(Author): 王力

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