论文标题

压缩AUF3中顺式桥梁的意外持续存在

Unexpected persistence of cis-bridged chains in compressed AuF3

论文作者

Kurzydłowski, Dominik, Kobyakov, Serhiy, Mazej, Zoran, Pillai, Sharad Babu, Chakraborty, Brahmananda, Jha, Prafulla K.

论文摘要

拉曼散射测量结果表明,即使在45 GPA的压缩下,也保留在AUF3中的顺式桥梁 - 与Meta-GGA计算相反,这表明具有这种基序的结构在4 GPA以上是热力学上不稳定的结构。这种亚抗性表明,在低压下,新型的金氟化物(例如AUF2)可能比以前提出的低。

Raman scattering measurements indicate that cis-bridged chains are retained in AuF3 even at a compression of 45 GPa - in contrast to meta-GGA calculations suggesting that structures with such motifs are thermodynamically unstable above 4 GPa. This metastability implies that novel gold fluorides (e.g. AuF2) might be attainable at lower pressures than previously proposed.

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