Abstract

Study of effect of functionalization of black phosphorene on its spin-transport and magnetic properties

First-principles spin-polarized density functional theory
investigations are reported to understand the effect of
functionalization (vanadium and titanium) on tunelling
magnetoresistance (TMR) and spin-polarized transport of
black phosphorene ( ) nanosheet based magnetic tunnel
junction (MTJ) with as electrodes. The results show, vanadium
adsorbed black phosphorene based structure exhibits
better spin filtration and high TMR, as compared
to titanium adsorbed black phosphorene and pristine
black phosphorene based structures. In addition, vanadium
adsorbed black phosphorene nanosheet exhibits ferromagnetic
behaviour with a magnetic moment of . The
magnetic moment for pristine black phosphorene and
titanium adsorbed black phosphorene nanosheets are
reported to be and , respectively. Higher TMR, better
spin filtration and ferromagnetic behaviour for vanadium
adsorbed black phosphorene based structure opens up its
possibility as spin filter (injector) in MTJs and other spinbased
devices.


Author(s):

Shweta Meena



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