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Discovery and Control of Emergent Qu...

Ni, Yifei,

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Discovery and Control of Emergent Quantum States in Transition Metal Chalcogenides /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Discovery and Control of Emergent Quantum States in Transition Metal Chalcogenides // Yifei Ni.
作者:	Ni, Yifei,
面頁冊數:	1 electronic resource (160 pages)
附註:	Source: Dissertations Abstracts International, Volume: 85-11, Section: B.
Contained By:	Dissertations Abstracts International85-11B.
標題:	Condensed matter physics. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30819968
ISBN:	9798382717609

Discovery and Control of Emergent Quantum States in Transition Metal Chalcogenides /
Ni, Yifei,

Discovery and Control of Emergent Quantum States in Transition Metal Chalcogenides /Yifei Ni. - 1 electronic resource (160 pages)

Source: Dissertations Abstracts International, Volume: 85-11, Section: B.

Transition metal chalcogenides as a burgeoning family of materials host a rich collection of quantum states ranging from superconductivity to 2D magnetism. The delicate interplay of Coulomb interaction, spin-orbit coupling, crystal field splitting, and Hund's rule coupling within these chalcogenides gives rise to emergent quantum phenomena, advancing our comprehension of correlated and spin-orbit coupled effects in transition metal oxides. This thesis delves into our recent endeavors across two primary research domains.The initial segment is devoted to unraveling emergent quantum states in transition metal chalcogenides. The emphasis will be placed on elucidating the unique chiral-orbital-currents (COC) state discovered in Mn3Si2Te6, which underpins an unconventional colossal magnetoresistance that occurs without apparent magnetic polarization and that is extraordinarily sensitive to small applied currents.The second part explores the manipulation of quantum states through innovative external stimuli. The highly correlated nature of the transition metal chalcogenides along with their more extended electron orbitals and reduced electronegativity make the ground state exceptionally susceptible to external stimuli that couple to the lattice, which is evidenced in Mn3Si2Te6 and the 2D ferromagnet Cr2Ge2Ge6.

English

ISBN: 9798382717609Subjects--Topical Terms:

3173567
Condensed matter physics.
Subjects--Index Terms:

Chiral orbital currents

Discovery and Control of Emergent Quantum States in Transition Metal Chalcogenides /
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520 $a Transition metal chalcogenides as a burgeoning family of materials host a rich collection of quantum states ranging from superconductivity to 2D magnetism. The delicate interplay of Coulomb interaction, spin-orbit coupling, crystal field splitting, and Hund's rule coupling within these chalcogenides gives rise to emergent quantum phenomena, advancing our comprehension of correlated and spin-orbit coupled effects in transition metal oxides. This thesis delves into our recent endeavors across two primary research domains.The initial segment is devoted to unraveling emergent quantum states in transition metal chalcogenides. The emphasis will be placed on elucidating the unique chiral-orbital-currents (COC) state discovered in Mn3Si2Te6, which underpins an unconventional colossal magnetoresistance that occurs without apparent magnetic polarization and that is extraordinarily sensitive to small applied currents.The second part explores the manipulation of quantum states through innovative external stimuli. The highly correlated nature of the transition metal chalcogenides along with their more extended electron orbitals and reduced electronegativity make the ground state exceptionally susceptible to external stimuli that couple to the lattice, which is evidenced in Mn3Si2Te6 and the 2D ferromagnet Cr2Ge2Ge6.
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653 $a Colossal magnetoresistance
653 $a Correlated system
653 $a Current-sensitive quantum states
653 $a Spin-orbit coupling
653 $a Transition metal chalcogenides
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690 $a 0599
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