RESEDA在17 T磁场下的中子自旋回波谱
Neutron spin echo spectroscopy under 17T magnetic field at RESEDA
摘要：
我们报告了在大磁场下用零强度调制（MIEZE）在中子共振自旋回波谱仪RESEDA（MLZ）上进行的原理性测量。我们的研究表明，在样品上施加高达17\，T的强磁场，同时保持亚$μ$ eV分辨率不变的可行性。我们发现，MIEZE-自旋回波分辨率曲线基本上保持不变的磁场的函数，最高的领域，有希望获得高领域，而不需要额外的微调的仪器。这为实验研究微妙的场依赖现象，如磁场驱动的硬和软凝聚态物理相变奠定了基础。
英文摘要：
We report proof-of-principle measurements at the neutron resonance spin echo spectrometer RESEDA (MLZ) under large magnetic fields by means of Modulation of IntEnsity with Zero Effort (MIEZE). Our study demonstrates the feasibility of applying strong magnetic fields up to 17\,T at the sample while maintaining unchanged sub-$μ$eV resolution. We find that the MIEZE-spin-echo resolution curve remains essentially unchanged as a function of magnetic field up to the highest fields available, promising access to high fields without need for additional fine-tuning of the instrument. This sets the stage for the experimental investigation of subtle field dependent phenomena, such as magnetic field-driven phase transitions in hard and soft condensed matter physics.
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