2016
DOI: 10.1088/0953-8984/28/5/056003
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Enhancing spin injection efficiency through half-metallic miniband conduction in a spin-filter superlattice

Abstract: We theoretically and numerically studied the band structure and spin transport of electrons subject to a superlattice structure where magnetic semiconductor layers lie between normal semiconductor layers to form periodic spin-filter tunnel barriers. In this alternately deposited superlattice structure, due to the induced periodicity of the envelope wavefunctions, there are additional allowed and forbidden energy regions established, i.e. forming minibands that are far narrower than the conventional conduction … Show more

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“…We would also mention the synthesis of extended graphdiyne wires that could allow one to investigate the non-linear electronic transport related to Bloch oscillations 45,46 , the proposal to realize the spin-dependent terahertz oscillator based on hybrid graphene superlattices 47 , the possibility of enhancing of spin injection in a spin-filter superlattice 48 , , theoretical investigation of the transport properties of superlattice nanowires for thermoelectric applications 48 , and proposal for the third harmonic generation in a terahertz driven modulated nanovires 50,51 .…”
Section: Introductionmentioning
confidence: 99%
“…We would also mention the synthesis of extended graphdiyne wires that could allow one to investigate the non-linear electronic transport related to Bloch oscillations 45,46 , the proposal to realize the spin-dependent terahertz oscillator based on hybrid graphene superlattices 47 , the possibility of enhancing of spin injection in a spin-filter superlattice 48 , , theoretical investigation of the transport properties of superlattice nanowires for thermoelectric applications 48 , and proposal for the third harmonic generation in a terahertz driven modulated nanovires 50,51 .…”
Section: Introductionmentioning
confidence: 99%