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µSR Investigation of Doped IrTe 2

µSR Investigation of Doped IrTe 2. Murray Wilson Jiaqiang Yan, David Mandrus , Timothy Munsie , Teresa Medina, Graeme Luke. Outline. Motivation µSR Introduction Ir 0.95 Pt 0.05 Te 2 TF µSR Fe 0.33 Ir 0.83 Te 2 ZF µSR Conclusion. Motivation – IrTe 2. Layered structure

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µSR Investigation of Doped IrTe 2

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  1. µSR Investigation of Doped IrTe2 Murray Wilson Jiaqiang Yan, David Mandrus, Timothy Munsie, Teresa Medina, Graeme Luke

  2. Outline • Motivation • µSR Introduction • Ir0.95Pt0.05Te2 TF µSR • Fe0.33Ir0.83Te2 ZF µSR • Conclusion

  3. Motivation – IrTe2 Layered structure High spin-orbit coupling Structural transition IrTe Matsumoto JLTP 1999 1/15

  4. Motivation Feng Sci. Rep. 3 1153 2013 Yan arXiv:1309.4829v1 Yang PRL 108 116402 (2012) 2/15

  5. µSR Technique J.E. SonierMuon Spin Rotation/Relaxation/Resonance (µSR) 3/15

  6. µSR Technique 4/15

  7. µSR Technique 5/15

  8. Ir0.95Pt0.05Te2

  9. TF µSR Pt-IrTe2 B = 300 G 6/15

  10. Superfluid Density Pt-IrTe2 7/15

  11. Superfluid Density Pt-IrTe2 8/15

  12. Superfluid Density Pt-IrTe2 9/15

  13. BCS Comparison [1] D.J. Yu et. al PRB 89, 100501(R) March 4 2014 10/15

  14. Fe0.33Ir0.83Te2 Single Crystal

  15. ZF µSR Fe-IrTe2 11/15

  16. ZF µSR Fe-IrTe2 12/15

  17. ZF µSR Fe-IrTe2 Spin Glass TC≈ 10K 13/15

  18. ZF µSR Fe-IrTe2 J.-Q. Yan et al. arXiv:1309.4829v1 [cond-mat.supr-con] 19-09-2013 14/15

  19. Conclusions Fe-IrTe2 spin glass, TC ≈ 10K Pt-IrTe2 weak coupling fully gapped BCS superconductor, TC = 2.24K 15/15

  20. Acknowledgments Timothy Munsie Alannah Hallas Teresa Medina Dr. Graeme Luke Dr. BassamHitti Dr. Gerald Morris Dr. Jiaqiang Yan Dr. David Mandrus LianLiu Benjamin Frandsen Dr. YasutomoUemura

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