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Yoo, Jung-Woo
Nano Spin Transport Lab.
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dc.citation.conferencePlace KO -
dc.citation.title 한국자기학회 2019년도 동계학술대회 -
dc.contributor.author Yoo, Jung-Woo -
dc.date.accessioned 2024-01-31T23:11:08Z -
dc.date.available 2024-01-31T23:11:08Z -
dc.date.created 2019-11-17 -
dc.date.issued 2019-11-21 -
dc.description.abstract A two-dimensional (2D) electron gas emerged at a LaAlO3/SrTiO3 (LAO/STO) interface is an interesting electronic platform as the structure itself has broken inversion symmetry. This noncentrosymmetric 2D conductor retains Rashba-type spin-orbit interaction, which ties spin and momentum of electrons in the band structure leading to coupled spin and charge transport. In this talk, I will present coupled spin-charge transport in LAO/STO interface evidenced in various experimental platforms. We demonstrated the non-local spin diffusion in conducting interface of LAO/STO using H-bar type structure, where the spin Hall and its inverse effect function as the spin injector and detector [1]. The inherent structural asymmetry in the conductive oxide interface can induce further intriguing transport properties. When the time-reversal symmetry is further broken, the system could exhibit directional propagation of itinerant electrons, i.e. the rightward and leftward currents differ from each other. In addition, the Rashba spin-orbit interaction can be further tuned by applying gate bias, so does the nonreciprocal charge transport [2]. -
dc.identifier.bibliographicCitation 한국자기학회 2019년도 동계학술대회 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/78814 -
dc.publisher 한국자기학회 -
dc.title Coupled spin-charge transport in oxide interface -
dc.type Conference Paper -
dc.date.conferenceDate 2019-11-20 -

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