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Volumn 79, Issue 15, 2009, Pages

Anisotropic tunneling magnetoresistance and tunneling anisotropic magnetoresistance: Spin-orbit coupling in magnetic tunnel junctions

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EID: 65549165050     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.79.155303     Document Type: Article
Times cited : (118)

References (58)
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    • Equation 22 can be well justified at semiconductor interfaces. We propose it here as a phenomenological model for metal/semiconductor interfaces, as the simplest description of the interface-induced silicon-on-insulator (SOI) symmetry. For metallic surfaces the Bychkov-Rashba SOI has already been investigated. We assume that electrons with small transverse momenta px and py have sizable tunneling probabilities, justifying the linear character of the SOI.
    • Equation 22 can be well justified at semiconductor interfaces. We propose it here as a phenomenological model for metal/semiconductor interfaces, as the simplest description of the interface-induced silicon-on-insulator (SOI) symmetry. For metallic surfaces the Bychkov-Rashba SOI has already been investigated. We assume that electrons with small transverse momenta px and py have sizable tunneling probabilities, justifying the linear character of the SOI.
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    • In general, an additional voltage dependence of the transmissivity may originate from the voltage dependence of the Dresselhaus parameter. Such a dependence is weak in semiconductors and is neglected in our model.
    • In general, an additional voltage dependence of the transmissivity may originate from the voltage dependence of the Dresselhaus parameter. Such a dependence is weak in semiconductors and is neglected in our model.
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    • Note also that when the effective Bychkov-Rashba parameter ᾱ changes sign, the axes of symmetry of |w| are flipped by 90° and the situation above explained is reversed (i.e., now the transmission corresponding to the magnetization direction [110] becomes the dominant one), leading to the inversion of the TAMR effect.
    • Note also that when the effective Bychkov-Rashba parameter ᾱ changes sign, the axes of symmetry of |w| are flipped by 90° and the situation above explained is reversed (i.e., now the transmission corresponding to the magnetization direction [110] becomes the dominant one), leading to the inversion of the TAMR effect.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.