Charge-orbital density wave and superconductivity in the strong spin-orbit coupled IrTe 2 Pd

J. J. Yang, Y. J. Choi, Y. S. Oh, A. Hogan, Y. Horibe, K. Kim, B. I. Min, S. W. Cheong

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127 Citations (Scopus)

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.

Original languageEnglish
Article number116402
JournalPhysical review letters
Volume108
Issue number11
DOIs
Publication statusPublished - 2012 Mar 13

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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