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Magnetoresistance oscillation in window-coupled wire systems (1996)

Zhu, Ningjia ; Lei, Ming ; Guo, Hong

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 79 (1996), S. 7036-7040

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: We present a theoretical investigation of electron magnetotransport characteristics of a window-coupled quantum wire system which is treated as a four-terminal device. Different shapes and sizes of the coupling region are studied and various four-terminal Büttiker resistances are computed as a function of an external magnetic field. Our results are consistent with those of the experimental measurements of Hirayama, Tokura, Wieck, Koch, Haug, von Klitzing, and Ploog [Phys. Rev. B 48, 7991 (1993)] on similar device structures. In particular we have observed the fine interference pattern in the magnetoresistance and negative values of certain four-terminal resistance at low-magnetic-field strength. These features are found to be sensitive to the incoming electron energy. © 1996 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.361470

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