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http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/7020| Title: | Calorimetric study of the superconducting and normal state properties of Ca(Fe1−xCox)2As2 |
| Authors: | Abdel-Hafiez, M. Harnagea, L. SINGH, S. Stockert, U. Wurmehl, S. Leps, N. Klingeler, R. Wolter, A U.B. Büchner, B. Dept. of Physics |
| Keywords: | Physics 2012 |
| Issue Date: | Sep-2012 |
| Publisher: | IOP Publishing |
| Citation: | Journal of Physics: Conference Series, 391, 012120. |
| Abstract: | We present a calorimetric study on single crystals of Ca(Fe1−xCox)2As2 (x = 0, 0.032, 0.051, 0.056, 0.063, and 0.146). The combined first order spin-density wave/structural transition occurs in the parent CaFe2As2 compound at 168 K and gradually shifts to lower temperature for low doping levels (x = 0.032 and x = 0.051). It is completely suppressed upon higher doping x ≥ 0.056. Simultaneously, superconductivity appears at lower temperature with a transition temperature around Tc ~ 14.1 K for Ca(Fe0.937Co0.063)2As2. The phase diagram of Ca(Fe0.937Co0.063)2As2 has been derived and the upper critical field is found to be μ0H(c)2 = 11.5 T and μ0H(ab)c2 = 19.4 T for the c and ab directions, respectively. |
| URI: | https://iopscience.iop.org/article/10.1088/1742-6596/391/1/012120 http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/7020 |
| ISSN: | 1742-6588 1742-6596 |
| Appears in Collections: | CONFERENCE PAPERS |
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