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Polarized Temperature Dependent Raman Study of Bi2Te3-Cr2Ge2Te6 heterostructure and the Ferromagnetic Insulator Cr2Ge2Te6
Yao Tian, Huiwen Ji, R. J. Cava L. D. Alegria +2
Cr2Ge2Te6 has been of interest for decades, as it is one of only a few ferromagnetic insulators. Recently, this material has been revisited due to its potential as a substrate for…
Highly-tunable formation of nitrogen-vacancy centers via ion implantation
S. Sangtawesin, T. O. Brundage, Z. J. Atkins +1
We demonstrate highly-tunable formation of nitrogen-vacancy (NV) centers using 20 keV 15N+ ion implantation through arrays of high-resolution apertures fabricated with electron bea…
Large anomalous Hall effect in ferromagnetic insulator-topological insulator heterostructures
L. D. Alegria, H. Ji, N. Yao +3
We demonstrate the van der Waals epitaxy of the topological insulator compound Bi2Te3 on the ferromagnetic insulator Cr2Ge2Te6. The layers are oriented with (001) of Bi2Te3 paralle…
Fast Room-Temperature Phase Gate on a Single Nuclear Spin in Diamond
S. Sangtawesin, T. O. Brundage, J. R. Petta
Nuclear spins support long lived quantum coherence due to weak coupling to the environment, but are difficult to rapidly control using nuclear magnetic resonance (NMR) as a result…
Photon Emission from a Cavity-Coupled Double Quantum Dot
Y. -Y. Liu, K. D. Petersson, J. Stehlik +2
We study a voltage biased InAs double quantum dot (DQD) that is coupled to a superconducting transmission line resonator. Inelastic tunneling in the DQD is mediated by electron pho…