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4 papers · 2 filters
Directional Interlayer Spin-Valley Transfer in Two-Dimensional Heterostructures
John R. Schaibley, Pasqual Rivera, Hongyi Yu +7
Van der Waals heterostructures formed by two different monolayer semiconductors have emerged as a promising platform for new optoelectronic and spin/valleytronic applications. In a…
Many-body effects in nonlinear optical responses of 2D layered semiconductors
Grant Aivazian, Hongyi Yu, Sanfeng Wu +5
We performed ultrafast degenerate pump-probe spectroscopy on monolayer WSe2 near its exciton resonance. The observed differential reflectance signals exhibit signatures of strong m…
Quantification of Probe-Sample Electrostatic Forces with Dynamic Atomic Force Microscopy
Nina Balke, Stephen Jesse, Ben Carmichael +4
Atomic Force Microscopy (AFM) methods utilizing resonant mechanical vibrations of cantilevers in contact with a sample surface have shown sensitivities as high as few picometers fo…
Investigation of the tunnel magnetoresistance in junctions with a strontium stannate barrier
Matthias Althammer, Amit Vikam Singh, Sahar Keshavarz +5
We experimentally investigate the structural, magnetic and electrical transport properties of LaSrMnO based magnetic tunnel junctions with a SrSnO barri…