Constructing a Large Variety of Dirac-Cone Materials in the Bi${}_{1-x}$Sb${}_{x}$ Thin Film System
TL;DR: This work shows how to construct single-, bi- and tri-Dirac-cone materials with various amounts of wave vector anisotropy, which can be of special interest to electronic device design, quantum electrodynamics and other fields.
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Abstract: We theoretically predict that a large variety of Dirac-cone materials can be constructed in Bi${}_{1-x}$Sb${}_{x}$ thin films, and we here show how to construct single-, bi- and tri- Dirac-cone materials with various amounts of wave vector anisotropy. These different types of Dirac cones can be of special interest to electronic devices design, quantum electrodynamics and other fields.
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4π-periodic Andreev bound states in a Dirac semimetal
Chuan Li,Jorrit Cornelis de Boer,Bob de Ronde,S. V. Ramankutty,Erik van Heumen,Yingkai Huang,Anne de Visser,Alexander A. Golubov,Alexander A. Golubov,Mark S. Golden,Alexander Brinkman +10 more
TL;DR: N nanoscale phase-sensitive junction technology is utilized to induce superconductivity in the Dirac semimetal Bi1−xSbx via the proximity effect and shows that a magnetic field applied in the plane of the junction allows tuning of the Josephson junctions from 0 to π regimes.
$4\pi$ periodic Andreev bound states in a Dirac semimetal
Chuan Li,Jorrit Cornelis de Boer,Bob de Ronde,S. V. Ramankutty,Erik van Heumen,Yingkai Huang,Anne de Visser,Alexander A. Golubov,Mark S. Golden,Alexander Brinkman +9 more
TL;DR: In this paper, phase-sensitive junction technology is used to induce superconductivity in a Dirac semimetal and radio frequency irradiation experiments reveal a significant contribution of 4$\pi$-periodic Andreev bound states to the supercurrent in Nb-Bi${0.97}$Sb$_{0.03}$-Nb Josephson junctions.
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Electronic properties of nano-structured bismuth-antimony materials
TL;DR: In this article, the up-to-date achievements on electronic properties of nanostructured Bi1−xSbx, and points out future directions for scientific research in this field.
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