Time-differential perturbed angular correlation spectrometer

这里需要的设备是建立一台时差微扰角度相关(TDPAC)光谱仪。这台仪器的分辨率将优于1 ns(1/1,000,000秒)，将用于在原子尺度上研究磁性材料。通过了解材料中的各个原子如何相互作用，产生用于大宗材料(电机中的永磁体，磁盘驱动器中的记录介质)的大规模磁性，我们的目标是开发性能更好的新材料。磁性材料对许多技术都是核心，最明显的是记录工业。对磁学基本问题的研究导致了用于电机的硬磁体、用于计算机硬盘的薄膜磁体和用于磁盘驱动器中读/写磁头的非常软磁体的无数进展。将利用本申请的设备进行的项目解决了磁排序的基本问题：将调查该排序的性质和该排序的时间变化。

The equipment requested here is to build a Time-Differential PerturbedAngular Correlation (TDPAC) spectrometer. This instrument will have atime resolution of better than 1ns (1/1,000,000,000 seconds) and willbe used to study magnetic materials at the atomic scale.By understanding how the individual atoms in a material interact toyield the large-scale magnetic properties that are exploited in bulkmaterials (permanent magnets in motors, recording media in disc drives)we aim to develop new materials with improved performance.Magnetic materials are central to many technologies, the most obviousbeing the recording industry. Research into fundamental issues in magnetismhas led to countless advances in hard magnets for motors, thin-film magnetsfor computer hard discs and very soft magnets for read/write heads indisc drives.The projects that will be undertaken with the equipment requested hereaddress fundamental issues of magnetic ordering: both the nature of theorder and the time variations of that ordering will be investigated.