Sans J A, Manjón F J, Popescu C, Muñoz A, Rodríguez-Hernández P, Jordá J L, Rey F
Instituto de Diseño para la Fabricación y Producción Automatizada, Universitat Politècnica de València, 46022 Valencia, Spain.
J Phys Condens Matter. 2016 Nov 30;28(47):475403. doi: 10.1088/0953-8984/28/47/475403. Epub 2016 Sep 16.
This study reports the experimental characterization of the hydrostatic properties of arsenolite (As4O6), a molecular solid which is one of the softest minerals in the absence of hydrogen bonding. The high compressibility of arsenolite and its stability up to 15 GPa have been proved by x-ray diffraction measurements, and the progressive loss of hydrostaticity with increasing pressure up to 20 GPa has been monitored by ruby photoluminescence. Arsenolite has been found to exhibit hydrostatic behavior up to 2.5 GPa and a quasi-hydrostatic behavior up to 10 GPa at room temperature. This result opens the way to explore other molecular solids as possible quasi-hydrostatic pressure-transmitting media. The validity of arsenolite as an insulating, stable, non-penetrating and quasi-hydrostatic medium is explored by the study of the x-ray diffraction of zeolite ITQ-29 at high pressure.
本研究报告了毒石（As4O6）的流体静力学性质的实验表征，毒石是一种分子固体，是在没有氢键作用时最软的矿物之一。通过X射线衍射测量证明了毒石的高压缩性及其在高达15 GPa压力下的稳定性，并且通过红宝石光致发光监测了在高达20 GPa压力下随着压力增加流体静力学的逐渐丧失。已发现毒石在室温下高达2.5 GPa时表现出流体静力学行为，在高达10 GPa时表现出准流体静力学行为。这一结果为探索其他分子固体作为可能的准流体静压力传递介质开辟了道路。通过对高压下ITQ-29沸石的X射线衍射研究，探讨了毒石作为绝缘、稳定、非穿透性和准流体静力学介质的有效性。
