球磨固相反应法制备钨青铜K0.27WO3

人工晶体学报, 2013, 42(3): 479-486.

1.暨南大学物理系,广州510632

2.暨南大学物理系,广州510632

基金项目: 广东省自然科学基金(10151063201000003) 国家自然科学基金(11004083)

Preparation of Tungsten Bronzes K0.27WO3 by Ball Milling and Solid-State Reaction Method

以钨酸钾和三氧化钨为原料,采用机械球磨后高温固相反应的方法合成了钨青铜.X射线粉末衍射、X射线能谱分析表明,所制备样品为单相的K0.27WO3多晶.低温电阻率测量发现:多晶样品由于大量晶界影响而呈现出异于单晶样品的类半导体行为.

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