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Type: 
Journal
Description: 
Large‐area antimony telluride (Sb2Te3) thin films are grown by a metal organic chemical vapor deposition technique on 4” Si(111) substrates, and their topological character probed by magnetoconductance measurements. When interfaced with Fe thin films, broadband ferromagnetic resonance spectroscopy (BFMR) shows a clear increase of the damping parameter in Fe/Sb2Te3 when compared to a reference Fe layer, which may suggest the occurrence of spin pumping (SP) into Sb2Te3. Simultaneously, X‐ray reflectivity and conversion electron Mossbauer spectroscopy evidence the development of a chemically and magnetically pure Fe/Sb2Te3 interface. However, by conducting SP‐FMR, it is shown that no spin‐to‐charge conversion (S2C) occurs in Fe/Sb2Te3, while a clear SP signal develops by introducing a 5 nm Au interlayer between Fe and Sb2Te3, with a measured inverse Edelstein effect conversion …
Publisher: 
Publication date: 
1 Dec 2021
Authors: 

Emanuele Longo, Lorenzo Locatelli, Matteo Belli, Mario Alia, Arun Kumar, Massimo Longo, Marco Fanciulli, Roberto Mantovan

Biblio References: 
Volume: 8 Issue: 23 Pages: 2101244
Origin: 
Advanced Materials Interfaces