Engineering the magnetic properties of hybrid organic-ferromagnetic interfaces by molecular chemical functionalization (CROSBI ID 192255)
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Podaci o odgovornosti
Atodiresei, Nicolae ; Caciuc, Vasile ; Lazić, Predrag ; Blügel, Stefan
engleski
Engineering the magnetic properties of hybrid organic-ferromagnetic interfaces by molecular chemical functionalization
We have performed systematic first-principles calculations to tailor the magnetic properties at a hybrid organic-ferromagnetic interface by adsorbing organic molecules containing π(pz) electrons onto a magnetic substrate. For such hybrid systems, magnetic properties such as molecular magnetic moments and their spatial orientation can be specifically tuned by substituting the H atoms with more electronegative atoms such as Cl and F. This chemical functionalization process surprisingly reveals the importance of the spin-orbit coupling present at the magnetic surface–molecule interface. As a key result, our simulations indicate a direct connection between substituent electronegativity and these magnetic properties which can be exploited to design more efficient organic spintronic devices.
first-principles calculations ; organic-ferromagnetic interface ; magnetic properties
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Podaci o izdanju
84 (17)
2011.
172402
4
objavljeno
1098-0121
1550-235X
10.1103/PhysRevB.84.172402