论文标题
在II型快速导体中发生的正常转化是实际的热力学相变吗？
Is the normal to superionic transformation occurring in type-II fast-ion conductors a real thermodynamic phase transition?
论文作者
论文摘要
费多罗夫（Fedorov）对我们最近的论文J. Phys发表了评论。化学C 112，1267（2018）他建议从常规（$α$）转变为II类型快速离子导体中发生的超级离子（$β$）状态（例如，Caf $ _ {2} $和基于Li的超级离子材料），不能被视为在严格的热热动力学中的相位过渡。 Fedorov's arguments for such a criticism can be summarized as follows: (1) the available heat capacity data for the $α\to β$ transformation do not reproduce the expected behaviour for a thermodynamic phase transition, (2) there is not evidence for molar volume discontinuity during the superionic $α\to β$ transformation, and (3) the $α\to β$ transformation is symmetry preserving.在这里，我们通过重现其他作者发表的实验数据来证明，或者通过解释一些简单的固态论点，即Fedorov提出的陈述不正确，并且与现实不符。实际上，基于安装实验证据，可以严格考虑在II快速离子导体中发生的正常与超级离子相变，应将其称为相变。尽管如此，以$α\至β$相变的顺序建立，建立一般性仍然不太明显。
Fedorov has written a Comment on our recent paper J. Phys. Chem. C 112, 1267 (2018) in which he suggests that the transformation from a normal ($α$) to a superionic ($β$) state occurring in type-II fast-ion conductors (e.g., CaF$_{2}$ and Li-based superionic materials) cannot be regarded as a phase transition in a rigorous thermodynamic sense. Fedorov's arguments for such a criticism can be summarized as follows: (1) the available heat capacity data for the $α\to β$ transformation do not reproduce the expected behaviour for a thermodynamic phase transition, (2) there is not evidence for molar volume discontinuity during the superionic $α\to β$ transformation, and (3) the $α\to β$ transformation is symmetry preserving. Here, we demonstrate either by reproducing experimental data published by other authors or by explaining some simple solid-state arguments that the statements put forward by Fedorov are incorrect and do not correspond to reality. In fact, based on mounting experimental evidence, the normal to superionic phase transformation occurring in type-II fast-ion conductors can be rigorously considered, and should be referred to, as a phase transition. Notwithstanding, it remains less obvious to establish with generality which is the order of the $α\to β$ phase transition.
