Spin-polarization reversal at the interface between benzene and Fe(100)

Spin Polarization Inversion at Benzene-Absorbed Fe4N Surface

We report a first-principle study on electronic structure and simulation of the spin-polarized scanning tunneling microscopy graphic of a benzene/Fe(4)N interface. Fe(4)N is a compound ferromagnet suitable for many spintronic applications. We found that, depending on the particular termination schemes and interface configurations, the spin polarization on the benzene surface shows a rich variet...

the relationship between multiple intelligences and english proficiency of efl learners at payame noor university

این پژوهش برای بررسی پیوند احتمالی میان هوش های چندگانه – پیشنهاد شد? هاوارد گاردنر، 1983– (هم به گونه یکپارچه و هم به گونه بند بند) از یک سو و توانش انگلیسی دانشجویان ایرانی دانشگاه پیام نور در رشته زبان انگلیسی از سوی دیگر انجام گرفت. برای این کار، تافلpbt و پرسش نامه هوش های چندگانه میان 102 دانشجو در دانشگاه پیام نور شهریار پخش شد. نتایج بررسی داده ها نشان می دهد که در اندازه معنا داری 5 در...

Time Reversal Polarization and a Z2 Adiabatic Spin Pump

We introduce and analyze a class of one-dimensional insulating Hamiltonians that, when adiabatically varied in an appropriate closed cycle, define a “Z2 pump.” For an isolated system, a single closed cycle of the pump changes the expectation value of the spin at each end even when spin-orbit interactions violate the conservation of spin. A second cycle, however, returns the system to its origin...

Spin polarization and barrier-oxidation effects at the Co alumina interface in magnetic tunnel junctions

Design of the local spin polarization at the organic-ferromagnetic interface.

By means of ab initio calculations and spin-polarized scanning tunneling microscopy experiments the creation of a complex energy dependent magnetic structure with a tailored spin-polarized interface is demonstrated. We show this novel effect by adsorbing organic molecules containing π(p(z)) electrons onto a magnetic surface. The hybridization of the out-of-plane p(z) atomic-type orbitals with t...