The mechanism of phasetransition temperature of film changing with film thickness is explained by the influence of Gibbs free energy on phasetransition.
进而根据界面能对相变温度的影响,对钛酸铅薄膜的相变温度随薄膜厚度的变化规律进行了解释。
2
The phasetransition characteristics of ferroelectric films with domain structure were studied using Landau free energy expansion.
本文用朗道自由能展开研究了有电畴的铁电薄膜的相变特性。
3
The term numbers of free energy expansion are studied during the phasetransition process when the order parameter is more than one variable.