Evaluation of One-dimension Electron Density Correlation Function in Three-phase Structure
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摘要:
从结晶聚合物的三相结构出发,计算了线性电子密度相关函数,理论上得到了不变量和结晶层厚度和散射曲线的对应关系,并与G. R. Strobl等人从两相模型推广到三相模型得到的结论相比较,指出直接从两相推广到三相的不妥之处,修正了推广过程中的错误.从三相模型的相关函数图可以直接得到长周期、晶片厚度、不变量、过渡层厚度,但是晶片厚度、不变量与Strobl的定义有所不同.
Abstract:
The crystal polymer's correlation function of threephase structure with linear electron density interphase layers is calculated.The corresponding relation about invariant,interphase layers' thickness and scatter figure are found.The conclusions are compared with that G.R.Strobl got in the extension from two-phase model to three-phase model.Strobl's errors are pointed out and corrected the errors in the extension.The authors get long period,lamellar thickness,invariant and interphase layers' thickness from the correlation function figure of three-phase model,but the conclusion is that the definitions of lamellar thickness and invariant are not the same as those in the two-phase structure.