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Bi_2Co_(0.1)V_(0.9)O_(5.35-δ)中的有序-无序相变研究

Investigation of Order-disorder Transition in Bi_2Co_(0.1)V_(0.9)O_(5.35-δ)
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摘要 采用示差扫描量热法（DSC）、热膨胀曲线法及交流阻抗谱法对Bi2Co0．1V0．9O5．35-δ陶瓷的相变过程进行了研究。研究结果表明。Bi2Co0．1V0．9O5．35-δ陶瓷在420-500℃温度范围内产生了相变，这种相变是温度发生变化时钒氧八面体层内氧空位排列的有序．无序转变引起的。 The order-disorder phase transition in Bi2Co0.1V0.9O5.35-δceramics was characterized by DSC, linear thermal expansion measurement and ae impedanee speetroseopy. The results indieate that a order-disorder phase transition was observed in the range of 420- 500℃, whieh lies in the various disordering degree of oxygen vacancies in the vanadate layer.
作者 张枫
机构地区 武汉理工大学材料科学与工程学院
出处 《国外建材科技》 2007年第4期52-54,共3页 Science and Technology of Overseas Building Materials
关键词 Bi2Co0.1V0.9O5.35-δ 有序-无序相变 氧离子导体 Bi2Co0．1V0．9O5．35-δ oxide ion-conductor order-disorder phase transition
分类号 O611.3 [理学—无机化学]
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参考文献10

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国外建材科技
2007年 第4期

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