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首页> 外文期刊>Review of Scientific Instruments >SuperADAM: Upgraded polarized neutron reflectometer at the Institut Laue-Langevin
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SuperADAM: Upgraded polarized neutron reflectometer at the Institut Laue-Langevin

机译：SuperADAM：Laue-Langevin研究所升级的极化中子反射仪

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摘要

A new neutron reflectometer SuperADAM has recently been built and commissioned at the Institut Laue-Langevin, Grenoble, France. It replaces the previous neutron reflectometer ADAM. The new instrument uses a solid state polarizer/wavelength filter providing a highly polarized (up to 98.6%) monochromatic neutron flux of 8 × 104 n cm-2 s-1 with monochromatization Δλ/λ = 0.7% and angular divergence Δα = 0.2 mrad. The instrument includes both single and position sensitive detectors. The position sensitive detector allows simultaneous measurement of specular reflection and off-specular scattering. Polarization analysis for both specular reflection and off-specular scattering is achieved using either mirror analyzers or a 3He spin filter cell. High efficiency detectors, low background, and high flux provides a dynamic range of up to seven decades in reflectivity. Detailed specifications and the instrument capabilities are illustrated with examples of recently collected data in the fields of thin film magnetism and thin polymer films.
机译：最近在法国格勒诺布尔的Laue-Langevin研究所建造并调试了新型中子反射仪SuperADAM。它替代了以前的中子反射仪ADAM。新仪器使用固态偏振器/波长滤光片，可提供8×10 4 n cm -2 s -1 ，单色化Δλ/λ= 0.7％，角散度Δα= 0.2 mrad。该仪器包括单个和位置敏感的探测器。位置敏感检测器允许同时测量镜面反射和镜外散射。使用镜面分析仪或 3 He自旋滤池可以实现镜面反射和镜外散射的偏振分析。高效检测器，低背景和高通量可提供高达七十年的反射率动态范围。详细的规格和仪器功能以薄膜磁性和聚合物薄膜领域中最近收集的数据为例进行了说明。

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