具有sub-micro-eV分辨率的中子散射交钥匙模块
Turn-key module for neutron scattering with sub-micro-eV resolution
摘要：
我们报告了一个紧凑的交钥匙模块，提高了几个数量级的准弹性中子散射的分辨率下降到低亚微电子伏特范围内的发展。它是基于一对中子共振自旋翻转器，产生一个明确的时间强度调制，也称为MIEZE（零努力强度调制）。该模块可在多种条件下使用，特别是在施加的磁场中以及用于去极化和非相干散射样品。我们证明了MIEZE的权力在MnSi的helmagnetic秩序下施加磁场的研究。
英文摘要：
We report the development of a compact turn-key module that boosts the resolution in quasi-elastic neutron scattering by several orders of magnitude down to the low sub-micro-eV range. It is based on a pair of neutron resonance spin flippers that generate a well defined temporal intensity modulation, also known as MIEZE (Modulation of IntEnsity by Zero Effort). The module may be used under versatile conditions, in particular in applied magnetic fields and for depolarising and incoherently scattering samples. We demonstrate the power of MIEZE in studies of the helimagnetic order in MnSi under applied magnetic fields.
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