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首页> 外文期刊>Physica, B. Condensed Matter >Highlights from the magnetism reflectometer at the SNS
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Highlights from the magnetism reflectometer at the SNS

机译：SNS磁力反射仪的亮点

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The magnetism reflectometer at the SNS has passed the phase of commissioning and is in operation for users. The high power of the neutron source demands that special attention be paid to the optimization of the background in order to be able to measure the two-dimensional maps of reflected and scattered intensities with polarized neutrons in a broad range of momentum transfer. It implies an effective separation of the magnetic and non-magnetic reflectivity, off-specular scattering and the grazing incidence SANS in a high range of momentum transfer. Therefore the polarizing and the analyzing efficiencies are of particular importance on this time-of-flight instrument. At the beginning of July 2008 the world's first He-3 neutron analyzer with on-line pump-up polarization was successfully installed and the tests with a magnetic multilayer film showing a strong off-specular spin-flip scattering were made. The performance of the instrument is under constant improvement in order to make it an effective and optimal instrument for the applications in nanosciences. Published by Elsevier B.V.
机译：SNS的磁力反射仪已通过调试阶段，正在为用户运行。中子源的高功率要求特别注意本底的优化，以便能够在很大的动量传递范围内测量极化中子的反射和散射强度的二维图。它意味着在高动量传递范围内有效分离磁反射率和非磁反射率，镜外散射和掠入射SANS。因此，这种飞行时间仪器的偏振和分析效率尤为重要。 2008年7月开始，成功安装了世界上第一台具有在线泵浦极化功能的He-3中子分析仪，并使用显示出强烈的镜外自旋翻转散射的磁性多层膜进行了测试。该仪器的性能正在不断提高，以使其成为纳米科学应用中有效且最佳的仪器。由Elsevier B.V.发布

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