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β-tungsten: a promising metal for spintronics.

J Phys Condens Matter 2018 Aug 12;30(30):305802. Epub 2018 Jun 12.

Brazilian Nanotechnology National Laboratory (LNNano), CNPEM, 13083-970 Campinas, Brazil. Federal University of ABC, Santo André, SP, Brazil.

Ultrathin films of β-tungsten provide very promising substrates for applications in spintronics, and the possibility of incorporating them into multilayers extends such expectations. Our calculations indicate that it is viable to deposit a single layer of Mn on two non-equivalent (0 0 1) surfaces of β-tungsten that have easy axes along orthogonal directions [0 1 0] and [1 0 0], respectively. The ferromagnetic structure of this Mn monolayer adsorbed to either of those surfaces displays a giant in-plane magneto-crystalline anisotropy that exceeds 12 meV per Mn atom. Read More

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http://dx.doi.org/10.1088/1361-648X/aacc08DOI Listing
August 2018
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