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Shweta Meena

National Institute of Technology, India

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


Biography: Shweta Meena


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 CrO2 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 spin-based devices.