Quantum conductance staircase in silicon nanosandwiches的封面
书籍主题:

Quantum conductance staircase in silicon nanosandwiches

LAP LAMBERT Academic Publishing (2017-08-31 )

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ISBN-13:

978-3-659-81930-8

ISBN-10:
3659819301
EAN:
9783659819308
书籍语言:
英文
作品简介:
We present the findings of the 0.7∙(2e2/h) feature in the hole quantum conductance staircase that is caused by one-dimensional channels prepared by the split-gate method as well as by the gate voltage applied to the edge channels inside the silicon nanosandwich structure. The interplay of the spontaneous spin polarisation and the Rashba spin-orbit interaction (SOI) is shown to result in the formation of the 0.7∙(2e2/h) feature that is found to take in the fractional form with both the plateaux and steps as a function of the magnetic field and the gate voltage. The creation of composite bosons and fermions by the capture of single magnetic flux quanta on the edge channels appears to reveal new opportunities for the registration of the quantum kinetic phenomena in weak magnetic fields at high temperatures up to the room temperature. These data appear to result from the low density of single holes that are of small effective mass in the edge channels of the p-type silicon nanosandwiches because of the impurity confinement by the stripes consisting of the negative-U dipole boron centers which seems to give rise to the efficiency reduction of the electron-electron interaction.
出版社 :
LAP LAMBERT Academic Publishing
网址:
https://www.lap-publishing.com/
由(作者):
Nikolai Bagraev
页码 :
52
发表日期:
2017-08-31
现货:
备有现货
类别:
物理 ,天文学
价格:
39.85 $
关键词:
quantum conductance staircase, spontaneous spin polarization, split-gate method, semiconductor one-dimensional channel

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