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Yoo, Jung-Woo
Functional Hybrid Materials and Devices Lab(FHMDL)
Research Interests
  • Transport properties, spintronics, organic/molucular magnet, electronic, and spintronics,

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Nonlocal Spin Diffusion Driven by Giant Spin Hall Effect at Oxide Heterointerfaces

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dc.contributor.authorJin, Mi-Jinko
dc.contributor.authorMoon, Seon Youngko
dc.contributor.authorPark, Jungminko
dc.contributor.authorModepalli, Viajyakumarko
dc.contributor.authorJo, Junhyeonko
dc.contributor.authorKim, Shin-Ikko
dc.contributor.authorKoo, Hyun Cheolko
dc.contributor.authorMin, Byoung-Chulko
dc.contributor.authorLee, Hyun-Wooko
dc.contributor.authorBaek, Seung-Hyubko
dc.contributor.authorYoo, Jung-Wooko
dc.date.available2017-01-04T07:20:06Z-
dc.date.created2017-01-03ko
dc.date.issued201701ko
dc.identifier.citationNANO LETTERS, v.17, no.1, pp.36 - 43ko
dc.identifier.issn1530-6984ko
dc.identifier.urihttp://scholarworks.unist.ac.kr/handle/201301/21092-
dc.identifier.urihttp://pubs.acs.org/doi/abs/10.1021/acs.nanolett.6b03050ko
dc.description.abstractA two-dimensional electron gas emerged at a LaAlO3/SrTiO3 interface is an ideal system for “spin–orbitronics” as the structure itself strongly couple the spin and orbital degree of freedom through the Rashba spin–orbit interaction. One of core experiments toward this direction is the nonlocal spin transport measurement, which has remained elusive due to the low spin injection efficiency to this system. Here we bypass the problem by generating a spin current not through the spin injection from outside but instead through the inherent spin Hall effect and demonstrate the nonlocal spin transport. The analysis on the nonlocal spin voltage, confirmed by the signature of a Larmor spin precession and its length dependence, displays that both D’yakonov–Perel’ and Elliott–Yafet mechanisms involve in the spin relaxation at low temperature. Our results show that the oxide heterointerface is highly efficient in spin-charge conversion with exceptionally strong spin Hall coefficient γ ∼ 0.15 ± 0.05 and could be an outstanding platform for the study of coupled charge and spin transport phenomena and their electronic applications.ko
dc.description.statementofresponsibilityclose-
dc.languageENGko
dc.publisherAMER CHEMICAL SOCko
dc.subjectnonlocal spin diffusionko
dc.subjectOxide heterointerfaceko
dc.subjectRashba spin&#8722ko
dc.subjectorbit interactionko
dc.subjectSpin Hall effectko
dc.subjectspin&#8722ko
dc.subjectorbitronicsko
dc.titleNonlocal Spin Diffusion Driven by Giant Spin Hall Effect at Oxide Heterointerfacesko
dc.typeARTICLEko
dc.identifier.pid1027null
dc.identifier.rimsid27552ko
dc.identifier.wosid000392036600006ko
dc.type.rimsAko
dc.identifier.doihttp://dx.doi.org/10.1021/acs.nanolett.6b03050ko
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