Ingle, Kapil and Priolkar, K. R. and Pal, Anand and Awana, V. P. S. and Emura, S. (2014) Local structural distortions and their role in superconductivity in SmFeAsO1-xFx superconductors. Superconductor Science and Technology, 27 (7). 075010-1-075010-8. ISSN 0953-2048

[img] PDF - Published Version
Restricted to Registered users only

Download (741Kb) | Request a copy


EXAFS studies at the As K edge as a function of temperature were carried out in SmFeAsO1-xFx (x = 0 and 0.2) compounds to understand the role of local structural distortions in superconductivity observed in F-doped compounds. A significant correlation between the thermal variation of local structural parameters such as anion height and superconducting onset is found in the fluorinated compounds. Such a variation in anion height is absent in the non-superconducting compound. An increase in the Fe-As bond distance just below the superconducting onset temperature indicates a similarity between the distortions observed in the high-T-C cuprates and these Fe-based superconductors.

Item Type: Article
Additional Information: Copyright for this article belongs to M/S IOP Publishing.
Uncontrolled Keywords: superconductiviy, EXAFS, iron-based superconductors
Subjects: Physics
Depositing User: Dr. Rajpal Walke
Date Deposited: 19 Oct 2015 07:40
Last Modified: 19 Oct 2015 07:40

Actions (login required)

View Item View Item