The crystal structure was studied by means of X-ray diffraction,magnetic disaccommodation measurements were carry out with a computer aided system based on a LCR bridge.

• 用X射线衍射仪对粉末样品的结构进行了观测,磁导率减落测量用计算机辅助系统的阻抗自动测量仪(LCR电桥)来完成。