...度升高,样品磁电阻值下降;电阻与温度关系在4.2—60K范围内符合lnR-T-1/4线性关系,磁输运遵循变程跳跃(variable range hopping)传导机制. 更多还原
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在所研究的温度范围内,所有材料的导电机理都属于极化子的变程跳跃导电。
In the investigated temperature range, the conductive mechanism ofr all samples belongs to the variable range hopping conduction of the polarons.
利用变程跳跃模型对电阻温度曲线进行分析讨论,表明激光作用的内在机制是激光辐照诱导电子退局域化。
The analysis of the resistance-temperature relation using the variable range hoping (VRH) model shows that the intrinsic mechanism of the laser irradiation is the delocalization of the electrons.
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