A multipurpose miniature piston-cylinder diamond-anvil cell for pressures beyond 100 GPa
A multipurpose miniature piston-cylinder diamond-anvil cell for pressures beyond 100 GPa
复制标题
压力超过 100 GPa 的多用途微型活塞缸金刚石砧座
DOI：
10.1063/1.1148775
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发表时间：
1998
影响因子：
1.6
通讯作者：
G. Rozenberg
中科院分区：
文献类型：
--
作者：
G. Machavariani;M. Pasternak;G. Hearne;G. Rozenberg
一个微型活塞缸金刚石压砧细胞（DAC）的压力操作和超过100 GPa的构建和测试。与其他活塞-气缸DAC相比，它的优点是体积小（直径22 mm，高21 mm）、独立的力发生器和简单的操作方式。碳化钨垫板用于支撑砧座;一个具有半球形形状，允许平行对齐，另一个具有平坦的圆形形状，允许砧座底脚的横向对齐。力由六个M3艾伦螺钉产生，并通过力环传递到活塞。使用具有300 μm平面和Re垫圈的斜面杯实现了130 GPa的压力。设计特点，操作模式和性能进行了说明。后者已被证明为特定的情况下，穆斯堡尔谱在La 57 FeO 3。
A miniature piston-cylinder diamond-anvil cell (DAC) was constructed and tested for pressure operation at and beyond 100 GPa. Its advantages compared to other piston-cylinder DACs are its compactness (22-mm diam by 21-mm high), self-contained force generator, and simple way of operation. Tungsten carbide backing plates are used for supporting the anvils; one with a hemispherical shape allowing for parallelism alignment, and one with a flat circular shape allowing for lateral alignment of the anvils’ culets. The force is generated by six M3 Allen screws and is conveyed to the piston via force rings. Pressures to 130 GPa were achieved with beveled culets having 300-μm flats and Re gaskets. Design features, mode of operation, and performance are described. The latter has been demonstrated for the particular case of Mossbauer spectroscopy in La57FeO3.