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首页> 外文期刊>Chemistry, an Asian journal >Synthetic beta-K_(0.33)V_(2)O_(5) Nanorods: A Metal-Insulator Transition in Vanadium Oxide Bronze
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Synthetic beta-K_(0.33)V_(2)O_(5) Nanorods: A Metal-Insulator Transition in Vanadium Oxide Bronze

机译：合成的β-K_（0.33）V_（2）O_（5）纳米棒：氧化钒青铜中的金属-绝缘体过渡

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摘要

We found a linear relationship between the metal-insulator transition (MIT) temperature and the A~(+) ionic radius of the beta-A_(0.33)V_(2)O_(5) bronze family, leading our attention to beta-K_(0.33)V_(2)O_(5) which has been neglected for a long time. We have introduced a facile hydrothermal method to obtain the single-crystalline beta-K_(0.33)V_(2)O_(5) nanorods. As expected, both the temperature-dependence of the resistivity and magnetization demonstrated MITs at about 72 K for beta-K_(0.33)V_(2)O_(5), thus matching well with the linear relationship described above. The beta-K_(0.33)V_(2)O_(5) was assigned as a new member of the beta-A_(0.33)V_(2)O_(5) bronze family for their similar crystal and electronic structures and their MIT property; this addition enriches the beta-A_(0.33)V_(2)O_(5) bronze family.
机译：我们发现金属-绝缘体转变（MIT）温度与beta-A_（0.33）V_（2）O_（5）青铜族的A〜（+）离子半径之间存在线性关系，这引起了我们对beta-K_的关注（0.33）V_（2）O_（5）已被长期忽略。我们已经引入了一种简便的水热方法来获得单晶β-K_（0.33）V_（2）O_（5）纳米棒。如预期的那样，电阻率和磁化强度的温度相关性都表明，对于β-K_（0.33）V_（2）O_（5），MITs约为72 K，因此与上述线性关系很好地匹配。 beta-K_（0.33）V_（2）O_（5）因其相似的晶体和电子结构以及其MIT特性而被分配为beta-A_（0.33）V_（2）O_（5）青铜族的新成员;此添加丰富了beta-A_（0.33）V_（2）O_（5）青铜家族。

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