Acknowledgments: This project is supported by National Science Foundation under award number ACI-1550404.
A reference for the usage of aimsGB software is:
Jianli Cheng, Jian Luo, and Kesong Yang, Aimsgb: An Algorithm and Open-Source Python Library to Generate Periodic Grain Boundary Structures, Comput. Mater. Sci., 155, 92-103, (2018). DOI:10.1016/j.commatsci.2018.08.029

Since May 8 2018