Conductance quantization in ferromagnetic Ni nano-constriction

Conductance quantization in ferromagnetic Ni nano-constriction
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铁磁镍纳米收缩中的电导量子化

DOI:
10.1016/s0304-8853(01)00544-3
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发表时间:
2002
影响因子:
2.7
通讯作者:
Y. Otani
Y. Otani
中科院分区:
材料科学3区
文献类型:
--
作者:
M. Shimizu;E. Saitoh;H. Miyajima;Y. Otani

文献摘要

被引文献

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在没有磁场的情况下,铁磁镍纳米线的电导以 2e2/h 为单位量化,而在磁场中则单位变为 e2/h。在高偏压作用下,有磁场和无磁场下均出现0.7e2/h和1.4e2/h的小数单位。自旋极化和偏置电压在导电中起着重要作用。
The conductance in ferromagnetic Ni nano-wire is quantized in units of 2e2/h in the absence of magnetic field, while the units switch to e2/h in the magnetic field. The fractional units of 0.7e2/h and 1.4e2/h with and without magnetic field appear under the application of high bias-voltage. The spin polarization and bias-voltage play an important role in the electric conduction.