Authors: Yuanjie Huang
Non-uniform phase transitions are widespread phenomena in nature. Previous conventional investigations gave pressure and temperature dependence of phase regions and phase transitions, i.e. P-T phase diagrams. At interfaces of different phases, here we reveal an electrical potential named after Haiyan Zang potential which arises from Fermi level alterations upon phase transitions. This potential may be a key for phase transition dynamics. It can induce a strong intrinsic electric field at interfaces, and the related electrical energy may cancel interfacial energy of nucleus so that they could stably exist and grow. The induced intrinsic electric field may act as another dimension, and the conventional P-T phase diagrams should be changed to be pressure-temperature-electric field (P-T-E) phase diagrams. These findings that Haiyan Zang potential and its induced intrinsic electric field at interface may offer people new understandings on phase diagrams and phase transition dynamics.
Comments: 14 Pages.
[v1] 2018-09-24 03:52:23
Unique-IP document downloads: 17 times
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