Record link: 
http://hdl.handle.net/20.500.12708/167485
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Title: 
Evidence for a temperature dependent anisotropy of the superconducting state parameters in underdoped SmBa₂Cu₃Oₓ
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Citation: 
Kortyka, A., Puzniak, R., Wisniewski, A., Zehetmayer, M., Weber, H. W., Tang, C. Y., Yao, X., & Conder, K. (2010). Evidence for a temperature dependent anisotropy of the superconducting state parameters in underdoped SmBa₂Cu₃Oₓ. Physical Review B, 82(054510). https://doi.org/10.1103/physrevb.82.054510
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Publisher DOI: 
10.1103/physrevb.82.054510
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Publication Type: 
Article - Original Research Article
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Language: 
English
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Authors: 
Kortyka, A. 
Puzniak, R. 
Wisniewski, A. 
Zehetmayer, M. 
Weber, H. W. 
Tang, C. Y. 
Yao, X. 
Conder, K. 
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Organisational Unit: 
E141-06 - Forschungsbereich Low Temperature Physics and Superconductivity 
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Journal: 
Physical Review B 
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ISSN: 
2469-9950
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Date (published): 
9-Aug-2010
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Number of Pages: 
9
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Publisher: 
AMER PHYSICAL SOC
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Peer reviewed: 
Yes
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Keywords: 
Condensed Matter Physics; Electronic, Optical and Magnetic Materials
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Abstract: 
The temperature dependence of the anisotropy of the superconducting state parameters, , was studied by torque magnetometry for the high-temperature superconductor SmBa2Cu3Ox in magnetic fields of up to 9 T. The measurements were performed on four underdoped single crystals with oxygen contents corresponding to Tc's varying from 42.8 to 63.6 K. The anisotropy was found to be strongly temperature dependent while only a weak dependence on the magnetic field was observed. No evidence for a field dependent superfluid density was found. Possible origins of the temperature dependence of the anisotropy are discussed.
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Research Areas: 
Materials Characterization: 100%
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Science Branch: 
Physik, Mechanik, Astronomie
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