 C-R-S-B-R is a promising material for applications in spin-tronics due to its unique properties such as a high curie temperature and a large magnetic moment. The material has been studied extensively by researchers who have found that it exhibits a variety of interesting phenomena including a ferromagnetic to antiferromagnetic phase transition, a strong electron doping effect and a significant strain effect. This article was authored by Xiang Yenbo, Feng Li, Sun Yushu, and others.