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J. Sánchez-Barriga on Muck Rack

J. Sánchez-Barriga

As seen in: Nature, Physical Review B
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Articles

Experimental Realization of a Three-Dimensional Dirac Semimetal Phase with a Tunable Lifshitz Transition in ${\mathrm{Au}}_{2}\mathrm{Pb}$

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By J. Sánchez-Barriga, IMDEA Nanoscience, Campus de Cantoblanco, M. Krivenkov
| Physical Review B
Abstract Three-dimensional Dirac semimetals are an exotic state of matter that continue to attract increasing attention due to the unique properties of their low-energy excitations. Here, by performing angle-resolved photoemission spectroscopy, we investigate the electronic structure of Au2Pb across a wide temperature range.
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Large magnetic gap at the Dirac point in Bi2Te3/MnBi2Te4 heterostructures

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By S. Wimmer, P. Mandal, J. Sánchez-Barriga, O. Caha
| Nature Verified
Abstract Magnetically doped topological insulators enable the quantum anomalous Hall effect (QAHE), which provides quantized edge states for lossless charge-transport applications1,2,3,4,5,6,7,8. The edge states are hosted by a magnetic energy gap at the Dirac point2, but hitherto all attempts to observe this gap directly have been unsuccessful.
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