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Field-induced nematic-like magnetic transition in an iron pnictide superconductor, Ca$_{10}$(Pt$_{3}$As$_{8}$)((Fe$_{1-x}$Pt$_{x}$)$_{2}$As$_{2}$)$_{5}$

Abstract:

We report a high magnetic field study up to 55 T of the nearly optimally doped iron-pnictide superconductor Ca$_{10}$(Pt$_{3}$As$_{8}$) ((Fe$_{1-x}$Pt$_{x}$)$_{2}$As$_{2}$)$_{5}$ (x=0.078(6)) with a Tc 10 K using magnetic torque, tunnel diode oscillator technique and transport measurements. We determine the superconducting phase diagram, revealing an anisotropy of the irreversibility field up to a factor of 10 near Tc and signatures of multiband superconductivity. Unexpectedly, we find a spin...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.89.205136

Authors


Watson, MD More by this author
McCollam, A More by this author
Vignolles, D More by this author
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Publisher:
American Physical Society Publisher's website
Journal:
Phys. Rev. B
Volume:
89
Issue:
20
Pages:
205136
Publication date:
2013-10-14
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:731b4d1a-d750-410b-9ec9-84eff9d9cf6d
Source identifiers:
433440
Local pid:
pubs:433440
Language:
English
Keywords:

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