Twisted molecular wires polarize spin currents at room temperature.
Proc Natl Acad Sci U S A
; 119(6)2022 02 08.
Article
en En
| MEDLINE
| ID: mdl-35115404
ABSTRACT
A critical spintronics challenge is to develop molecular wires that render efficiently spin-polarized currents. Interplanar torsional twisting, driven by chiral binucleating ligands in highly conjugated molecular wires, gives rise to large near-infrared rotational strengths. The large scalar product of the electric and magnetic dipole transition moments ([Formula see text]), which are evident in the low-energy absorptive manifolds of these wires, makes possible enhanced chirality-induced spin selectivity-derived spin polarization. Magnetic-conductive atomic force microscopy experiments and spin-Hall devices demonstrate that these designs point the way to achieve high spin selectivity and large-magnitude spin currents in chiral materials.
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Colección:
01-internacional
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MEDLINE
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En
Revista:
Proc Natl Acad Sci U S A
Año:
2022
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Article