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ΜSR Investigation of Doped IrTe 2 Murray Wilson Jiaqiang Yan, David Mandrus, Timothy Munsie, Teresa Medina, Graeme Luke.

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Presentation on theme: "ΜSR Investigation of Doped IrTe 2 Murray Wilson Jiaqiang Yan, David Mandrus, Timothy Munsie, Teresa Medina, Graeme Luke."— Presentation transcript:

1 µSR Investigation of Doped IrTe 2 Murray Wilson Jiaqiang Yan, David Mandrus, Timothy Munsie, Teresa Medina, Graeme Luke

2 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

3 Ir Te 1/15 Motivation – IrTe 2 Layered structure High spin-orbit coupling Structural transition Matsumoto JLTP 1999

4 2/15 Motivation Yang PRL (2012) Yan arXiv: v1 Feng Sci. Rep

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

6 µSR Technique 4/15

7 µSR Technique 5/15

8 Ir 0.95 Pt 0.05 Te 2

9 TF µSR 6/15 Pt-IrTe 2

10 Superfluid Density 7/15 Pt-IrTe 2

11 Superfluid Density 8/15 Pt-IrTe 2

12 Superfluid Density 9/15 Pt-IrTe 2

13 Ir 0.95 Pt 0.05 Te 2 Present Work Ir 0.95 Pd 0.05 Te 2 Ref. [1] (STS) BCS weak coupling [1] D.J. Yu et. al PRB 89, (R) March BCS Comparison 10/15

14 Fe 0.33 Ir 0.83 Te 2 Single Crystal

15 ZF µSR 11/15 Fe-IrTe 2

16 ZF µSR 12/15 Fe-IrTe 2

17 ZF µSR 13/15 Spin Glass T C ≈ 10K Fe-IrTe 2

18 ZF µSR 14/15 Fe-IrTe 2 J.-Q. Yan et al. arXiv: v1 [cond-mat.supr-con]

19 Fe-IrTe 2 spin glass, T C ≈ 10K Pt-IrTe 2 weak coupling fully gapped BCS superconductor, T C = 2.24K 15/15 Conclusions

20 Acknowledgments Timothy Munsie Alannah Hallas Teresa Medina Dr. Graeme Luke Lian Liu Benjamin Frandsen Dr. Yasutomo Uemura Dr. Bassam Hitti Dr. Gerald Morris Dr. Jiaqiang Yan Dr. David Mandrus


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