Matches in SemOpenAlex for { <https://semopenalex.org/work/W3103907921> ?p ?o ?g. }
- W3103907921 abstract "The interface between magnetic materials and topological insulators can drive the formation of exotic phases of matter and enable functionality through manipulation of the strong spin polarized transport. Here, we report that the spin-momentum-locked transport in the topological insulator Bi$_2$Se$_3$ is completely suppressed by scattering at a heterointerface with the kagome-lattice paramagnet, Co$_7$Se$_8$. Bi$_2$Se$_{3-}$Co$_7$Se$_{8-}$Bi$_2$Se$_3$ trilayer heterostructures were grown using molecular beam epitaxy. Magnetotransport measurements revealed a substantial suppression of the weak antilocalization effect for Co$_7$Se$_8$ at thicknesses as thin as a monolayer, indicating a strong dephasing mechanism. Bi$_{2-x}$Co$_x$Se$_3$ films, where Co is in a non-magnetic $3^+$ state, show weak antilocalization that survives to $x = 0.5$, which, in comparison with the heterostructures, suggests the unordered moments of the Co$^{2+}$ act as a far stronger dephasing element. This work highlights several important points regarding spin-polarized transport in topological insulator interfaces and how magnetic materials can be integrated with topological materials to realize both exotic phases as well as novel device functionality." @default.
- W3103907921 created "2020-11-23" @default.
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- W3103907921 date "2020-09-01" @default.
- W3103907921 modified "2023-10-14" @default.
- W3103907921 title "Strong spin-dephasing in a topological insulator-paramagnet heterostructure" @default.
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- W3103907921 doi "https://doi.org/10.1063/5.0011134" @default.
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