Literature DB >> 17026335

First-principles theory of quantum well resonance in double barrier magnetic tunnel junctions.

Yan Wang1, Zhong-Yi Lu, X-G Zhang, X F Han.   

Abstract

Quantum well (QW) resonances in Fe(001)/MgO/Fe/MgO/Fe double barrier magnetic tunnel junctions are calculated from first principles. By including the Coulomb blockade energy due to the finite size islands of the middle Fe film, we confirm that the oscillatory differential resistance observed in a recent experiment [T. Nozaki, Phys. Rev. Lett. 96, 027208 (2006)10.1103/PhysRevLett.96.027208] originates from the QW resonances from the Delta1 band of the Fe majority-spin channel. The primary source of smearing at low temperatures is shown to be the variation of the Coulomb blockade energy.

Entities:  

Year:  2006        PMID： 17026335     DOI： 10.1103/PhysRevLett.97.087210

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN： 0031-9007            Impact factor:   9.161


  2 in total

1.  Symmetric and Asymmetric Magnetic Tunnel Junctions with Embedded Nanoparticles: Effects of Size Distribution and Temperature on Tunneling Magnetoresistance and Spin Transfer Torque.

Authors:  Arthur Useinov; Hsiu-Hau Lin; Chih-Huang Lai
Journal:  Sci Rep       Date:  2017-08-21       Impact factor: 4.379

2.  Realizing Room-Temperature Resonant Tunnel Magnetoresistance in Cr/Fe/MgAl2O4 Quasi-Quantum Well Structures.

Authors:  Qingyi Xiang; Hiroaki Sukegawa; Mohamed Belmoubarik; Muftah Al-Mahdawi; Thomas Scheike; Shinya Kasai; Yoshio Miura; Seiji Mitani
Journal:  Adv Sci (Weinh)       Date:  2019-08-10       Impact factor: 16.806
  2 in total

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