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

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Charge-Orbital Density Wave and Superconductivity in the Strong Spin-Orbit Coupled IrTe2:Pd

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Title
Charge-Orbital Density Wave and Superconductivity in the Strong Spin-Orbit Coupled IrTe2:Pd
Author
Yang, J. J.Choi, Y. J.Oh, Yoon SeokHogan, A.Horibe, Y.Kim, K.Min, B. I.Cheong, S-W.
Issue Date
2012-03
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW LETTERS, v.108, no.11
Abstract
Using transmission electron microscopy, the anomalies in resistivity and magnetic susceptibility at ∼262K in IrTe 2 are found to accompany the superlattice peaks with q=(1/5,0,-1/5). The wave vector is consistent with our theoretical calculation for the Fermi surface nesting vector, indicating that the ∼262K transition is of the charge-orbital density wave (DW) type. We also discovered that both Pd intercalation and substitution induce bulk superconductivity with T c up to ∼3K, which competes with DW in a quantum critical pointlike manner.
URI
https://scholarworks.unist.ac.kr/handle/201301/9597
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84863356125
DOI
10.1103/PhysRevLett.108.116402
ISSN
0031-9007
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PHY_Journal Papers
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