Construction of van der Waals magnetic tunnel junction using ferromagnetic layered dichalcogenide

Miho Arai; Rai Moriya; Naoto Yabuki; Satoru Masubuchi; Keiji Ueno; Tomoki Machida

doi:10.1063/1.4930311

Construction of van der Waals magnetic tunnel junction using ferromagnetic layered dichalcogenide

Mesoscale and Nanoscale Physics 2015-09-14 v1

Authors: Miho Arai , Rai Moriya , Naoto Yabuki , Satoru Masubuchi , Keiji Ueno , Tomoki Machida

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Abstract

We investigate the micromechanical exfoliation and van der Waals (vdW) assembly of ferromagnetic layered dichalcogenide Fe0.25TaS2. The vdW interlayer coupling at the Fe-intercalated plane of Fe0.25TaS2 allows exfoliation of flakes. A vdW junction between the cleaved crystal surfaces is constructed by dry transfer method. We observe tunnel magnetoresistance in the resulting junction under an external magnetic field applied perpendicular to the plane, demonstrating spin-polarized tunneling between the ferromagnetic layered material through the vdW junction.

Keywords

micromechanical exfoliation van der waals assembly ferromagnetic layered dichalcogenide magnetic tunnel junction tunnel magnetoresistance spin-polarized tunneling

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@article{arxiv.1509.03525,
  title  = {Construction of van der Waals magnetic tunnel junction using ferromagnetic layered dichalcogenide},
  author = {Miho Arai and Rai Moriya and Naoto Yabuki and Satoru Masubuchi and Keiji Ueno and Tomoki Machida},
  journal= {arXiv preprint arXiv:1509.03525},
  year   = {2015}
}

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16 pages, 4 figures

Construction of van der Waals magnetic tunnel junction using ferromagnetic layered dichalcogenide

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