### 抜粋

Quantum transport properties of electrons in simple magnetic-barrier (MB) structures and in finite MB superlattices are investigated in detail. It is shown that there exists a transition of transmission resonances, i.e., from incomplete transmission resonances in simple MB structures consisting of unidentical blocks, to complete transmission resonances in comparatively complex MB structures (n ≥ 4, n is the number of barriers). In simple unidentical block arrangements in double- and triple-MB structures we can also obtain complete transmission by properly adjusting parameters of the building blocks according to k_{y}-value (k_{y} is the wave vector in y direction). Strong suppression of the transmission and of the conductance is found in MB superlattices which are periodic arrangements of two different blocks. The resonance splitting effect in finite MB superlattices is examined. It is confirmed that the rule (i.e., for n-barrier tunneling the splitting would be (n - 1)-fold) obtained in periodic electric superlattices can be extended to periodically arranged MB superlattices of identical blocks through which electrons with k_{y} ≥ 0 tunnel, and it is no longer proper for electrons with k_{y} < 0 to tunnel.

元の言語 | English |
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ページ（範囲） | 263-270 |

ページ数 | 8 |

ジャーナル | European Physical Journal B |

巻 | 3 |

発行部数 | 2 |

DOI | |

出版物ステータス | Published - 1998 1 1 |

### ASJC Scopus subject areas

- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics

## フィンガープリント Transmission resonances in magnetic-barrier structures' の研究トピックを掘り下げます。これらはともに一意のフィンガープリントを構成します。

## これを引用

*European Physical Journal B*,

*3*(2), 263-270. https://doi.org/10.1007/s100510050312