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研究了Nd6 0 Al1 0 Fe2 0 Co1 0 大块金属玻璃磁性随温度的变化关系 ,结果表明Nd6 0 Al1 0 Fe2 0 Co1 0 在室温下表现为永磁性 ,随着温度的降低 ,矫顽力和磁滞回线形状都有很大的变化 .交流磁化率在 18K左右出现尖峰而且峰值温度随频率变化 ,表明该大块非晶体系中存在自旋玻璃态
The relationship between the magnetism and the temperature of Nd6 0 Al1 0 Fe2 0 Co1 0 bulk metallic glass was investigated. The results show that Nd6 0 Al1 0 Fe2 0 Co1 0 exhibits permanent magnetism at room temperature. With the decrease of temperature, coercivity and magnetic Hysteresis line shape has a great change ac susceptibility peaked at about 18K and the peak temperature with frequency changes, indicating that the bulk amorphous system exist in the spin glass state