Highly intense monochromatic X-ray diffraction facility for high-pressure research at SPring-8
Highly intense monochromatic X-ray diffraction facility for high-pressure research at SPring-8
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DOI：
10.1080/08957950802208910
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发表时间：
2008-01-01
影响因子：
2
通讯作者：
Takata, Masaki
中科院分区：
文献类型：
--
作者：
Ohishi, Yasuo;Hirao, Naohisa;Takata, Masaki
SPring-8的光束线BL 10 XU，专为在高压和低/高温下使用金刚石对顶砧进行X射线衍射实验而设计，正在不断升级。在过去的几年里，X射线源，光学和有吸引力的实验设备，如同时测量系统已经优化。波荡器源发射的高能量和高强度单色X射线束，使用特征X射线折射透镜聚焦，使我们能够获得优异的计数统计和高分辨率的X射线衍射数据，即使从高度压缩的样品在几兆巴压力下。在BL 10 XU，低温和高温条件下实现使用低温恒温器（10- 300 K）和双面激光加热系统（1000- 4000 K），分别。在高压材料科学和矿物物理领域取得了许多成果：例如，压力下新材料的结构信息，包括新的压力诱导结构相变，状态方程的测量，以及地球内部矿物的相平衡数据。
Beamline BL10XU at SPring-8, designed for X-ray diffraction experiments using diamond anvil cells at high pressure and low/high temperature, is continuously upgraded. The X-ray source, optics, and attractive experimental equipment such as simultaneous measurement systems have been optimized over the past years. The high energy and high intensity monochromatic X-ray beams emitted by an undulator source, focused using a characteristic X-ray refractive lens, have enabled us to obtain excellent counting statistics and high-resolution X-ray diffraction data even from a highly compressed sample under multi-megabar pressure. At BL10XU, low- and high-temperature conditions are achieved using a cryostat (10-300K) and double-sided laser-heating system (1000-4000K), respectively. Numerous results have been obtained in the fields of high-pressure materials science and mineral physics: for instance, the structural information on novel materials under pressure, including new pressure-induced structural phase transitions, the measurements of equations of states, and the phase-equilibrium data of Earth interior minerals.