Physics of Interfaces and Nanomaterials, MESA+ Institute for Nanotechnology, University of Twente, PO Box 217, 7500AE Enschede, The Netherlands.
J Phys Condens Matter. 2013 May 22;25(20):205301. doi: 10.1088/0953-8984/25/20/205301. Epub 2013 Apr 23.
We have derived expressions for the thermally induced meandering of domain walls in two-dimensional lattices with a square or triangular symmetry and isotropic nearest neighbour interactions. The derived expressions for the thermally induced meandering are universal, i.e. they only depend on the reduced temperature, T/TC, where TC is the phase transition temperature. The universal expressions for the domain wall meandering can easily be compared with experimental microscopic data and allow the exact determination of the phase transition temperature at temperatures well below the actual phase transition temperature. We anticipate that our approach can be generalized to more complex lattices having interactions that go beyond nearest neighbours.
我们已经推导出具有正方形或三角形对称性和各向同性最近邻相互作用的二维晶格中热诱导畴壁弯曲的表达式。热诱导弯曲的导出表达式是通用的，即它们仅取决于约化温度 T/TC，其中 TC 是相变温度。畴壁弯曲的通用表达式可以很容易地与实验微观数据进行比较，并允许在远低于实际相变温度的温度下精确确定相变温度。我们预计我们的方法可以推广到具有超出最近邻相互作用的更复杂的晶格。
