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Electron spin resonance in the spin-Peierls compound NaV2O5

被引：51
作者：
Vasilev, AN
Smirnov, AI
Isobe, M
Ueda, Y
机构：
[1] RUSSIAN ACAD SCI, PL KAPITZA PHYS PROBLEMS INST, MOSCOW 117334, RUSSIA
[2] UNIV TOKYO, INST SOLID STATE PHYS, MINATO KU, TOKYO 106, JAPAN
来源：
PHYSICAL REVIEW B | 1997年 / 56卷 / 09期
关键词：
D O I：
10.1103/PhysRevB.56.5065
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Single crystals of the spin-Peierls compound NaV2O5 were synthesized. Both magnetic susceptibility and the electron-spin-resonance (ESR) intensity measured at 36.2 GHz showed an abrupt decrease at 35 K, indicating transition into the dimerized state. This decrease was much more pronounced for the ESR intensity as compared with the static susceptibility. The temperature dependences of the static and dynamic susceptibilities correspond to an energy gap of 92 K in the magnetic excitation spectrum. At low temperatures significant broadening of the ESR line was observed and a complex signal consisting of three spectral components was found.
引用
收藏
页码：5065 / 5068
页数：4
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