Magnetic Properties of Al-Doped Na0.7Co1-xAlxO2

• 作 者: Yong Zhang Zhi-Huan Wu Cui-Hua
• 机 构: TheauthorsareWithKeyLaboratoryofMagneticLevitationandMaglevTrains（MinistryofEducationofChina）,School
• 出 处: 中国电子科技：英文版
• 发表日期: 2008年2期
• 关键词: 磁化率 磁化强度 多晶性 磁学 ac susceptibility Al-doped Na0.7CoO2 field-cooled magnetization
• 基金项目: This work was supported by the National Science Foundation of China under Grant No. 50372052, 50430137, 50588201, the National Basic Research Program of China （973 program）, under Grant No. 2007CB6169

Single phase polycrystalline samples Na0.7Co1-xAlxO2 (x = 0, 0.05, 0.10, 0.15, 0.20, 0.25, 0.30) were prepared by solid state reaction. The magnetic properties from 5 K to 300 K have been studied by dc and ac magnetic susceptibility measurements. Samples