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Unconventional ferroelectricity, quantum magnetism, and multiferroicity of single-crystalline quantum materials
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Xu, Xianghan. Unconventional ferroelectricity, quantum magnetism, and multiferroicity of single-crystalline quantum materials. Retrieved from https://doi.org/doi:10.7282/t3-02hw-9s64

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TitleUnconventional ferroelectricity, quantum magnetism, and multiferroicity of single-crystalline quantum materials
NameXu, Xianghan (author); Cheong, Sang-Wook (chair); Gilman, Ronald (member); Kiryukhin, Valery (member); Rabe, Karin (member); Yang, Junjie (member); Cheong, Sang-Wook (member); Rutgers University; School of Graduate Studies
Date Created2022
Other Date2022-01 (degree)
SubjectCondensed matter physics, Ferroelectricity, Magnetism, Quantum theory
Extent91 pages : illustrations
DescriptionIn the first chapter, single crystal growth techniques, ferroic orders, and magnetoelectricity are introduced. In the second chapter, the phenomenological theory of ferroelectric transition is introduced. Unconventional ferroelectrics examples Sr₃Sn₂O₇, a hybrid improper ferroelectrics with high tunability, and HfO₂:Y bulk crystals showing metastable ferroelectric phase are demonstrated to show how their single-crystalline materials help to improve the ferroelectric performance and understand the physics. The third chapter shows the multiple ferroic orders, novel magnetic ground state, and toroidal magnetoelectricity in a chiral magnet BaCoSiO₄, in which the single crystal unambiguously reveals the anisotropic magnetism and magnetoelectric tensor. Beyond the experimental demonstration of BaCoSiO₄, a new concept- magnetic chirality is proposed and discussed. In the last chapter, recently proposed unconventional crystal growth techniques are reviewed, and the growth and property of a chiral superconductor Mo₃Al₂C are introduced as a successful example of the alumina tube sealing technique. This thesis highlights the laser floating zone as a breakthrough growth technique leading to unique single-crystalline quantum materials which have not been studied before.
NotePh.D.
NoteIncludes bibliographical references
Genretheses
Persistent URLhttps://doi.org/doi:10.7282/t3-02hw-9s64
LanguageEnglish
CollectionSchool of Graduate Studies Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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