Crystal Structure and Magnetic Properties of the Quasi-One-Dimensional Compound (Ca_(1-x) Y_x)_0.82CuO_2 Prepared at Room Pressure

Miyazaki Yuzuru; Hyatt Neil; Slaski Marcin

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Crystal Structure and Magnetic Properties of the Quasi-One-Dimensional Compound (Ca_(1-x) Y_x)_0.82CuO_2 Prepared at Room Pressure

机译：室温制备的准一维化合物（Ca_（1-x）Y_x）_0.82CuO_2的晶体结构和磁性

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A solid solution of the quasi-one-dimensional cuprate, (Ca_1-xY_x)_0.82CuO_2 with 0<=x<=0.435, has been successfully synthesized at room pressure. Upon yttrium doping (decreasing hole ocncentration), the formal Cu valence of the solid solution changes from +_2.36 to +2.00 without any significant change in the crystal structure. The solid solution shows an evolution in magnetic behavior, from a dimerlike spin state to a long-range, magnetically ordered state. The former state can be treated as a dilute one-dimensional spin system consisting of both spin dimers (S=0) and paramagnetic spin segments (S=1/2).

机译：在室温下成功合成了0 <= x <= 0.435的准一维铜酸盐（Ca_1-xY_x）_0.82CuO_2的固溶体。掺杂钇（降低空穴浓度）后，固溶体的形式Cu价从+ _2.36变为+2.00，而晶体结构没有任何显着变化。固溶体显示出从二聚体状的自旋态到长程的磁有序态的磁行为的演变。前一种状态可以视为由自旋二聚体（S = 0）和顺磁自旋链段（S = 1/2）组成的稀疏一维自旋系统。

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《Chemistry: A European journal》 |1999年第8期|共5页
作者
Miyazaki Yuzuru; Hyatt Neil; Slaski Marcin;
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正文语种 eng
中图分类化学;应用化学;
关键词
crystal engineering; cuprates; low-dimensional compounds; magnetic properties; solid solution;

机译：晶体工程;铜酸盐;低维化合物;磁性能;固溶体;

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机译：室温制备的准一维化合物（Ca_（1-x）Y_x）_0.82CuO_2的晶体结构和磁性
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Crystal Structure and Magnetic Properties of the Quasi-One-Dimensional Compound (Ca_(1-x) Y_x)_0.82CuO_2 Prepared at Room Pressure

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