高tc超导体Y1Ba2Cu3Ox中Gd3+离子的顺磁共振

Journal of Physics F: Metal Physics Pub Date : 1988-08-01 DOI:10.1088/0305-4608/18/8/024

H. Szymczak, R. Z̊uberek, A. Pajączkowska

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引用次数: 0

摘要

在4.2 ~ 300 K温度范围内测量了高tc (Tc-92 K)超导体Y1Ba2Cu3Ox粉末样品中稀释(0.5%和0.1%)Gd3+离子的x波段EPR谱。结果表明，当温度低于Tc时，EPR谱的g移、热展宽和强度发生了显著变化。根据已有的理论模型对结果进行了分析。

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Paramagnetic resonance of Gd3+ ions in the high-Tc superconductor Y1Ba2Cu3Ox

The EPR spectrum of Gd3+ ions diluted (0.5% and 0.1%) in powdered samples of the high-Tc(Tc-92 K) superconductor Y1Ba2Cu3Ox has been measured at X-band in the temperature range 4.2-300 K. It was shown that the EPR spectrum exhibits significant changes in g-shift, thermal broadening and intensity well below Tc. The results are analysed in terms of existing theoretical models.

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Journal of Physics F: Metal Physics

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