Investigation of ballistic elastic scattering length and specularity in multiterminal GaAs/AlGaAs by magnetic electron focusing effect

K. Tsukagoshi; S. Takaoka; K. Murase; K. Gamo; S. Namba

doi:10.1063/1.108601

Investigation of ballistic elastic scattering length and specularity in multiterminal GaAs/AlGaAs by magnetic electron focusing effect

K. Tsukagoshi, S. Takaoka, K. Murase, K. Gamo, S. Namba

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Magnetic electron focusing effect has been investigated by paying attention to its electron density (n_s) dependence in a GaAs/AlGaAs device with multiparallel terminal. With increasing n_s, a ballistic elastic scattering length increases, but a specularity at boundary decreases. In a configuration in which the electrons could enter into the extra probe between injector and collector probes, still the focusing effect is clearly observed.

Original language	English
Pages (from-to)	1609-1611
Number of pages	3
Journal	Applied Physics Letters
Volume	62
Issue number	14
DOIs	https://doi.org/10.1063/1.108601
Publication status	Published - 1993
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.108601

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abstract = "Magnetic electron focusing effect has been investigated by paying attention to its electron density (ns) dependence in a GaAs/AlGaAs device with multiparallel terminal. With increasing ns, a ballistic elastic scattering length increases, but a specularity at boundary decreases. In a configuration in which the electrons could enter into the extra probe between injector and collector probes, still the focusing effect is clearly observed.",

author = "K. Tsukagoshi and S. Takaoka and K. Murase and K. Gamo and S. Namba",

year = "1993",

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T1 - Investigation of ballistic elastic scattering length and specularity in multiterminal GaAs/AlGaAs by magnetic electron focusing effect

AU - Tsukagoshi, K.

AU - Takaoka, S.

AU - Murase, K.

AU - Gamo, K.

AU - Namba, S.

PY - 1993

Y1 - 1993

N2 - Magnetic electron focusing effect has been investigated by paying attention to its electron density (ns) dependence in a GaAs/AlGaAs device with multiparallel terminal. With increasing ns, a ballistic elastic scattering length increases, but a specularity at boundary decreases. In a configuration in which the electrons could enter into the extra probe between injector and collector probes, still the focusing effect is clearly observed.

AB - Magnetic electron focusing effect has been investigated by paying attention to its electron density (ns) dependence in a GaAs/AlGaAs device with multiparallel terminal. With increasing ns, a ballistic elastic scattering length increases, but a specularity at boundary decreases. In a configuration in which the electrons could enter into the extra probe between injector and collector probes, still the focusing effect is clearly observed.

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Investigation of ballistic elastic scattering length and specularity in multiterminal GaAs/AlGaAs by magnetic electron focusing effect

Abstract

ASJC Scopus subject areas

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