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Spin-dependent hole filter based on CdTe\(/\)Cd1−xMnxTe heterostructure

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Abstract

Spin-dependent resonance polarisation in CdTe\(/\)CdMnTe double-barrier heterostructure was theoretically examined. The effects of Zeeman effect (ZE), giant Zeeman effect (GZE) and Dresselhaus spin–orbit interaction (DSOI) were analysed in the presence of electric and magnetic fields. The heterostructure transition from type-I to type-II enhances the spin-down heavy hole current density. The results indicate that this heterostructure works as a perfect spin-down heavy hole filter.

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Acknowledgement

This work was supported by SASTRA Deemed University through a teaching assistant fellowship for the Dr R Dilber Pushpitha.

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Authors and Affiliations

  1. Department of Physics, Srinivasa Ramanujan Centre, SASTRA Deemed to be University, Kumbakonam, 612 001, India

    R Dilber Pushpitha & J Thirumalai

  2. Extreme Light Infrastructure-Nuclear Physics (ELI-NP), ‘Horia Hulubei’ National R&D Institute for Physics and Nuclear Engineering (IFIN-HH), 30 Reactorului Street, 077125, Măgurele, Ilfov, Romania

    R Krishnan

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  1. R Dilber Pushpitha
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  2. J Thirumalai
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  3. R Krishnan
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Correspondence to J Thirumalai.

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Pushpitha, R.D., Thirumalai, J. & Krishnan, R. Spin-dependent hole filter based on CdTe\(/\)Cd1−xMnxTe heterostructure. Pramana - J Phys 97, 141 (2023). https://doi.org/10.1007/s12043-023-02614-0

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  • DOI: https://doi.org/10.1007/s12043-023-02614-0

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