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Oh, Yoon Seok
Laboratory for Strong Correlation in Quantum Materials
Research Interests
  • Multiferroic
  • Ferroelectric
  • Quantum Magnetism

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Interlocked chiral/polar domain walls and large optical rotation in Ni3TeO6

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Title
Interlocked chiral/polar domain walls and large optical rotation in Ni3TeO6
Author
Wang, XueyunHuang, Fei-TingYang, JunjieOh, Yoon SeokCheong, Sang-Wook
Issue Date
2015-07
Publisher
AIP
Citation
APL MATERIALS, v.3, no.7, pp.076105
Abstract
Chirality, i.e., handedness, pervades much of modern science from elementary particles, DNA-based biology to molecular chemistry; however, most of the chirality-relevant materials have been based on complex molecules. Here, we report inorganic single-crystalline Ni3TeO6, forming in a corundum-related R3 structure with both chirality and polarity. These chiral Ni3TeO6 single crystals exhibit a large optical specific rotation (alpha)-1355 degrees dm(-1) cm(3) g(-1). We demonstrate, for the first time, that in Ni3TeO6, chiral and polar domains form an intriguing domain pattern, resembling a radiation warning sign, which stems from interlocked chiral and polar domain walls through lowering of the wall energy. (C) 2015 Author(s)
URI
https://scholarworks.unist.ac.kr/handle/201301/16562
URL
http://scitation.aip.org/content/aip/journal/aplmater/3/7/10.1063/1.4927232
DOI
10.1063/1.4927232
ISSN
2166-532X
Appears in Collections:
PHY_Journal Papers
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