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Lee, Jun Hee
Quantum Materials for Energy Conversion Lab
Research Interests
  • Quantum simulation, photocatalyst, fuel cell, Li battery, materials genome, supercomputer

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Correlation between Geometrically Induced Oxygen Octahedral Tilts and Multiferroic Behaviors in BiFeO3 Films

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dc.contributor.authorLee, Sung Suko
dc.contributor.authorKim, Young-Minko
dc.contributor.authorLee, Hyung-Jaeko
dc.contributor.authorSeo, Okkyunko
dc.contributor.authorJeong, Hu Youngko
dc.contributor.authorHe, Qianko
dc.contributor.authorBorisevich, Albina Y.ko
dc.contributor.authorKang, Boyounko
dc.contributor.authorKwon, Owoongko
dc.contributor.authorKang, Seunghunko
dc.contributor.authorKim, Yunseokko
dc.contributor.authorKoo, Tae Yeongko
dc.contributor.authorRhyee, Jong-Sooko
dc.contributor.authorNoh, Do Youngko
dc.contributor.authorCho, Beongkiko
dc.contributor.authorSeo, Ji Huiko
dc.contributor.authorLee, Jun Heeko
dc.contributor.authorJo, Ji Youngko
dc.date.available2018-05-24T00:41:34Z-
dc.date.created2018-05-21ko
dc.date.issued201805ko
dc.identifier.citationADVANCED FUNCTIONAL MATERIALS, v.28, no.19, pp.1800839 -ko
dc.identifier.issn1616-301Xko
dc.identifier.urihttp://scholarworks.unist.ac.kr/handle/201301/24143-
dc.identifier.urihttps://onlinelibrary.wiley.com/doi/abs/10.1002/adfm.201800839ko
dc.description.abstractThe equilibrium position of atoms in a unit cell is directly connected to crystal functionalities, e.g., ferroelectricity, ferromagnetism, and piezoelectricity. The artificial tuning of the energy landscape can involve repositioning atoms as well as manipulating the functionalities of perovskites (ABO3), which are good model systems to test this legacy. Mechanical energy from external sources accommodating various clamping substrates is utilized to perturb the energy state of perovskite materials fabricated on the substrates and consequently change their functionalities; however, this approach yields undesired complex behaviors of perovskite crystals, such as lattice distortion, displacement of B atoms, and/or tilting of oxygen octahedra. Owing to complimentary collaborations between experimental and theoretical studies, the effects of both lattice distortion and displacement of B atoms are well understood so far, which leaves us a simple question: Can we exclusively control the positions of oxygen atoms in perovskites for functionality manipulation? Here the artificial manipulation of oxygen octahedral tilt angles within multiferroic BiFeO3 thin films using strong oxygen octahedral coupling with bottom SrRuO3 layers is reported, which opens up new possibilities of oxygen octahedral engineering.ko
dc.languageENGko
dc.publisherWILEY-V C H VERLAG GMBHko
dc.subjectBiFeO3ko
dc.subjectferroelectricsko
dc.subjectmultiferroicsko
dc.subjectoxygen octahedral tiltingko
dc.subjectweak-ferromagneticsko
dc.titleCorrelation between Geometrically Induced Oxygen Octahedral Tilts and Multiferroic Behaviors in BiFeO3 Filmsko
dc.typeARTICLEko
dc.identifier.pid1056null
dc.identifier.pid2881null
dc.identifier.rimsid30324ko
dc.identifier.scopusid2-s2.0-85044420748ko
dc.identifier.wosid000431615300026ko
dc.type.rimsAko
dc.identifier.doihttp://dx.doi.org/10.1002/adfm.201800839ko
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