4.6 Article

Competition between the structural phase transition and superconductivity in Ir1-xPtxTe2 as revealed by pressure effects

Journal

PHYSICAL REVIEW B
Volume 87, Issue 12, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.87.121107

Keywords

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Funding

  1. State of Florida
  2. US Department of Energy, Office of Basic Energy Sciences, the Scientific User Facilities Division
  3. Materials Science and Engineering Division
  4. [NSF-DMR-0654118]
  5. [NSF-DMR-1005293]
  6. Division Of Materials Research
  7. Direct For Mathematical & Physical Scien [1005293] Funding Source: National Science Foundation

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Pressure-dependent transportmeasurements of Ir1-x PtxTe2 are reported. With increasing pressure, the structural phase transition at high temperatures is enhanced while its superconducting transition at low temperatures is suppressed. These pressure effects make Ir1-x PtxTe2 distinct from other studied TX2 systems exhibiting a charge density wave (CDW) state, in which pressure usually suppresses the CDW state and enhances the superconducting state. The results reveal that the emergence of superconductivity competes with the stabilization of the low-temperature monoclinic phase in Ir1-x PtxTe2. DOI: 10.1103/PhysRevB.87.121107

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