摘要
动态压力加载/卸载装置dDAC(Dynamic diamond anvil cell)是近年来备受高压界关注的研究装置之一,可以用来开展亚稳态材料制备、相变动力学、超高压化学等方面研究,在材料学、凝聚态物理学、化学、地学等领域具有重要的应用前景。综述了近年来国内外动态压力加载/卸载装置及原位表征技术的研究进展,详细介绍了一套新型与原位时间分辨光谱测试系统及原位加热/冷却系统相结合的、具有较大加载/卸载速度和较宽压力范围的动态压力加载/卸载装置。该动态压力加载/卸载装置及原位光谱表征系统的建立,将成为新的高压实验研究平台,从而促进高压极端条件下材料新结构和新性能等方面的研究。
Dynamic pressure loading/unloading device is one of the most important devices which has been paid much attention recently in high pressure research field.It can be effectively used for the preparation of metastable materials,phase transition kinetics,ultra-high pressure chemistry and so on.And it shows many other important application prospects in materials science,condensed state physics,chemistry,and geonomy and so on.In this project,the research progress of dynamic pressure loading/unloading devices and in-situ characterization technology in recent years are summarized,and a novel dynamic pressure loading/unloading device with large pressurization rate and measurable pressure range is developed,which is also combined with both time-resolved spectroscopy test system and in-situ heating/cooling system.It will be a new breakthrough in the research field of high pressure science and technology.And this device can effectively improve the basic research facilities and improve the research on discovering novel structure and functions of materials in the field of high pressure science and technology.
作者
苏磊
杨国强
SU Lei;YANG Guoqiang(Institute of Chemistry,Chinese Academy of Sciences,Beijing 100190,China;Center for High Pressure Science and Technology Advanced Research,Beijing 100096,China;University of Chinese Academy of Sciences,Beijing 100049,China)
出处
《高压物理学报》
CAS
CSCD
北大核心
2021年第6期28-36,共9页
Chinese Journal of High Pressure Physics
基金
国家自然科学基金重大科研仪器专项(21627802)。
关键词
高压
金刚石对顶砧
压力加载
压力卸载
光谱学
高速成像
high pressure
diamond anvil cell
pressure loading
pressure unloading
optical spectroscopy
high-speed imaging