Evidence for a Nodal Energy Gap in the Iron-Pnictide Superconductor LaFePO from Penetration Depth Measurements by Scanning SQUID Susceptometry

Physical Review Letters

Volumn 103, Issue 12, 2009, Pages

  Hicks, Clifford W ^a,b   Lippman, Thomas M ^a,b   Huber, Martin E ^c   Analytis, James G ^a,b   Chu, Jiun Haw ^a,b   Erickson, Ann S ^a,b   Fisher, Ian R ^a,b   Moler, Kathryn A ^a,b  

^a STANFORD UNIVERSITY   (United States)

^b SLAC NATIONAL ACCELERATOR LABORATORY   (United States)

^c UNIVERSITY OF COLORADO   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CUPRATE SUPERCONDUCTOR; LINE NODES; LINEAR DEPENDENCE; LOCAL TEMPERATURE; PENETRATION DEPTH; PNICTIDES; SUPERCONDUCTING ORDER PARAMETERS;

COPPER COMPOUNDS; SQUIDS; SUPERCONDUCTING MATERIALS; TECHNETIUM;

SUPERCONDUCTIVITY;

EID: 70349298389     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.103.127003     Document Type: Article

References (37)

1. Y. Kamihara, J. Am. Chem. Soc. JACSAT 0002-7863 128, 10012 (2006). 10.1021/ja063355c (Pubitemid 44202173)
2. J.J. Hamlin, R.E. Baumbach, D.A. Zocco, T.A. Sayles, and M.B. Maple, J. Phys. Condens. Matter 20, 365220 (2008). JCOMEL 0953-8984 10.1088/0953-8984/20/ 36/365220
3. J.G. Analytis, arXiv:cond-mat/08105368.
4. A.I. Coldea, Phys. Rev. Lett. 101, 216402 (2008); PRLTAO 0031-9007 10.1103/PhysRevLett.101.216402
5. A. Carrington, Physica C (Amsterdam) 469, 459 (2009). PHYCE6 0921-4534 10.1016/j.physc.2009.03.045
6. J. Annett, N. Goldenfeld, and S.R. Renn, Phys. Rev. B PRBMDO 0163-1829 43, 2778 (1991). 10.1103/PhysRevB.43.2778
7. P.J. Hirschfeld and N. Goldenfeld, Phys. Rev. B PRBMDO 0163-1829 48, 4219 (1993). 10.1103/PhysRevB.48.4219
8. M. Tinkham, Introduction to Superconductivity (McGraw-Hill, New York, 1996), 2nd ed.
9. I.I. Mazin, D.J. Singh, M.D. Johannes, and M.H. Du, Phys. Rev. Lett. 101, 057003 (2008); PRLTAO 0031-9007 10.1103/PhysRevLett.101.057003
10. Fa Wang, Hui Zhai, Ying Ran, A. Vishwanath, and D.H. Lee, Phys. Rev. Lett. 102, 047005 (2009); PRLTAO 0031-9007 10.1103/PhysRevLett.102.047005
11. W.Q. Chen, K.Y. Yang, Yi Zhou, and F.C. Zhang, Phys. Rev. Lett. 102, 047006 (2009); PRLTAO 0031-9007 10.1103/PhysRevLett.102.047006
12. A.V. Chubukov, D.V. Efremov, and I. Eremin, Phys. Rev. B PRBMDO 0163-1829 78, 134512 (2008). 10.1103/PhysRevB.78.134512
13. K. Kuroki, Phys. Rev. Lett. 101, 087004 (2008). PRLTAO 0031-9007 10.1103/PhysRevLett.101.087004
14. Kangjun Seo, B.A. Bernevig, and Jiangping Hu, Phys. Rev. Lett. 101, 206404 (2008). PRLTAO 0031-9007 10.1103/PhysRevLett.101.206404
15. P.A. Lee and X.G. Wen, Phys. Rev. B PRBMDO 0163-1829 78, 144517 (2008). 10.1103/PhysRevB.78.144517
16. X.L. Qi, S. Raghu, C.X. Liu, D.J. Scalapino, and S.C. Zhang, arXiv:cond-mat/08044332.
17. Q.M. Si and E. Abrahams, Phys. Rev. Lett. 101, 076401 (2008); PRLTAO 0031-9007 10.1103/PhysRevLett.101.076401
18. Z.J. Yao, J.X. Li, and Z.D. Wang, New J. Phys. 11, 025009 (2009). NJOPFM 1367-2630 10.1088/1367-2630/11/2/025009
19. S. Graser, T.A. Maier, P.J. Hirshfeld, and D.J. Scalapino, New J. Phys. 11, 025016 (2009). NJOPFM 1367-2630 10.1088/1367-2630/11/2/025016
20. R.T. Gordon, Phys. Rev. B PRBMDO 0163-1829 79, 100506(R) (2009); 10.1103/PhysRevB.79.100506
21. R.T. Gordon, Phys. Rev. Lett. 102, 127004 (2009). PRLTAO 0031-9007 10.1103/PhysRevLett.102.127004
22. C. Martin, Phys. Rev. B PRBMDO 0163-1829 80, 020501(R) (2009). 10.1103/PhysRevB.80.020501
23. C. Martin, Phys. Rev. Lett. 102, 247002 (2009). PRLTAO 0031-9007 10.1103/PhysRevLett.102.247002
24. K. Hashimoto, Phys. Rev. Lett. 102, 207001 (2009). PRLTAO 0031-9007 10.1103/PhysRevLett.102.207001
25. K. Hashimoto, Phys. Rev. Lett. 102, 017002 (2009). PRLTAO 0031-9007 10.1103/PhysRevLett.102.017002
26. L. Malone, Phys. Rev. B PRBMDO 0163-1829 79, 140501(R) (2009). 10.1103/PhysRevB.79.140501
27. J.D. Fletcher, Phys. Rev. Lett. 102, 147001 (2009). PRLTAO 0031-9007 10.1103/PhysRevLett.102.147001
28. B.W. Gardner, Rev. Sci. Instrum. RSINAK 0034-6748 72, 2361 (2001). 10.1063/1.1364668
29. F. Tafuri, J.R. Kirtley, P.G. Medaglia, P. Orgiani, and G. Balestrino, Phys. Rev. Lett. 92, 157006 (2004). PRLTAO 0031-9007 10.1103/PhysRevLett.92. 157006
30. M.E. Huber, Rev. Sci. Instrum. 79, 053704 (2008). RSINAK 0034-6748 10.1063/1.2932341 (Pubitemid 351776629)
31. V.G. Kogan, Phys. Rev. B PRBMDO 0163-1829 68, 104511 (2003). 10.1103/PhysRevB.68.104511
32. V. Mishra, Phys. Rev. B PRBMDO 0163-1829 79, 094512 (2009). 10.1103/PhysRevB.79.094512
33. P. Monthoux and D.J. Scalapino, Phys. Rev. B PRBMDO 0163-1829 50, 10339 (1994). 10.1103/PhysRevB.50.10339
34. R. Prozorov and R.W. Giannetta, Supercond. Sci. Technol. 19, R41 (2006). SUSTEF 0953-2048 10.1088/0953-2048/19/8/R01 (Pubitemid 44458409)
35. R.F. Gasparovic and W.L. McLean, Phys. Rev. B PRBMDO 0163-1829 2, 2519 (1970). 10.1103/PhysRevB.2.2519
36. D.A. Bonn and W.N. Hardy, in Handbook of High-Temperature Superconductivity, edited by, J.R. Schrieffer, (Springer, New York, 2007).
37. T. Pereg-Barnea, Phys. Rev. B PRBMDO 0163-1829 69, 184513 (2004). 10.1103/PhysRevB.69.184513