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@MASTERSTHESIS{Wang:1021263,
author = {Wang, Cheng},
title = {{F}irst-principles investigation of the topological phase
transition in [{B}i x {S}b (1−x)] 2 [{T}e y {S}e (1−y)]
3},
school = {RWTH Aachen},
type = {Masterarbeit},
reportid = {FZJ-2024-00699},
pages = {110 pages},
year = {2023},
note = {Masterarbeit, RWTH Aachen, 2023},
abstract = {In the rapidly evolving field of condensed matter physics,
the study of topological insulators has opened new horizons
for understanding of quantum states of matter. Among these,
bismuth antimony telluride selenide (BSTS) materials stand
out due to their unique electronic properties and potential
applications in quantum computing. This thesis presents an
in-depth analysis of BSTS materials, focusing on the pivotal
role of spin-orbit coupling and compositional variations in
driving topological phase transitions of the [Bi x Sb (1-x)
] 2 [Te y Se (1-y) ] 3 random alloy. Through sophisticated
computational models and simulations, we dissect the band
structures of BSTS materials to uncover the mechanisms that
govern their topological behaviors. Our research not only
advances the theoretical framework of topological insulators
but also paves the way for practical applications in
next-generation electronic devices, offering insights into
the exploitation of Majorana fermions and the enhancement of
superconducting properties. The findings of this thesis aim
to contribute substantially to the field of quantum
materials, highlighting the promise of BSTS materials in the
quest for new quantum phenomena and technologies.},
cin = {IAS-1 / PGI-1},
cid = {I:(DE-Juel1)IAS-1-20090406 / I:(DE-Juel1)PGI-1-20110106},
pnm = {5211 - Topological Matter (POF4-521)},
pid = {G:(DE-HGF)POF4-5211},
typ = {PUB:(DE-HGF)19},
url = {https://juser.fz-juelich.de/record/1021263},
}