I12: the Joint Engineering, Environment and Processing (JEEP) beamline at Diamond Light Source.
I12: the Joint Engineering, Environment and Processing (JEEP) beamline at Diamond Light Source.
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DOI：
10.1107/s1600577515003513
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发表时间：
2015-05
影响因子：
2.5
通讯作者：
Wanelik K
中科院分区：
文献类型：
--
作者：
Drakopoulos M;Connolley T;Reinhard C;Atwood R;Magdysyuk O;Vo N;Hart M;Connor L;Humphreys B;Howell G;Davies S;Hill T;Wilkin G;Pedersen U;Foster A;De Maio N;Basham M;Yuan F;Wanelik K
JEEP是一种高能（50-150 keV）多用途光束线，提供多色和单色模式。它可以容纳大样本和实验平台，能够使用放射照相，断层扫描，能量色散衍射，单色和白束二维衍射/散射和小角度x射线散射进行现场研究。I12是联合工程、环境和处理（JEEP）光束线，在钻石光源二期工程期间建造。I12位于Diamond存储环的短（5米）直段上，使用4.2 T超导摆动器提供能量范围为50-150 keV的多色和单色x射线。光束能量可以很好地穿透大的或致密的样品，再加上光束尺寸大（水平1mrad ×垂直0.3 mrad）。光束特性允许在环境室内研究材料和工艺，而不会产生不可接受的光束衰减，也不需要使用对于所研究的工艺来说非常小的样品尺寸。可供用户使用的x射线技术有放射照相、断层扫描、能量色散衍射、单色和白光二维衍射/散射和小角度x射线散射。自2009年11月开始运营以来，I12已经在材料科学和加工、化学加工、生物医学工程、土木工程、环境科学、古生物学和物理学等领域建立了广泛的用户社区。
JEEP is a high-energy (50–150 keV) multi-purpose beamline offering polychromatic and monochromatic modes. It can accommodate large samples and experimental rigs, enabling in situ studies using radiography, tomography, energy-dispersive diffraction, monochromatic and white-beam two-dimensional diffraction/scattering and small-angle X-ray scattering. I12 is the Joint Engineering, Environmental and Processing (JEEP) beamline, constructed during Phase II of the Diamond Light Source. I12 is located on a short (5 m) straight section of the Diamond storage ring and uses a 4.2 T superconducting wiggler to provide polychromatic and monochromatic X-rays in the energy range 50–150 keV. The beam energy enables good penetration through large or dense samples, combined with a large beam size (1 mrad horizontally × 0.3 mrad vertically). The beam characteristics permit the study of materials and processes inside environmental chambers without unacceptable attenuation of the beam and without the need to use sample sizes which are atypically small for the process under study. X-ray techniques available to users are radiography, tomography, energy-dispersive diffraction, monochromatic and white-beam two-dimensional diffraction/scattering and small-angle X-ray scattering. Since commencing operations in November 2009, I12 has established a broad user community in materials science and processing, chemical processing, biomedical engineering, civil engineering, environmental science, palaeontology and physics.