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Some Properties of Fe1 + y Se x Te1 – x Single Crystals in the Superconducting and Normal States
Ist Teil von
Journal of experimental and theoretical physics, 2018-01, Vol.127 (4), p.721-730
Ort / Verlag
New York: Springer Nature B.V
Erscheinungsjahr
2018
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Despite a large number of publications proving that a number of different materials can be classified as topological insulators, unambiguous proofs of the existence of promising topological superconductors have not been obtained as yet. The implementation of such systems is important not only for solid state physics, but also for applications, because topological superconductors can be used in quantum computers. We have made an attempt to confirm experimentally the assumption put forth in a number of theoretical publications that FeSexTe1 –x with the s-wave pairing, which is the simplest iron-containing superconductors, can become, under certain conditions, a topological superconductor with the π-wave pairing, which must have a superconducting gap in the bulk and the Majorana gapless surface states.