ePrints@IIScePrints@IISc Home | About | Browse | Latest Additions | Advanced Search | Contact | Help

Local structural distortions and their role in superconductivity in SmFeAsO1-xFx superconductors

Ingle, Kapil and Priolkar, KR and Pal, Anand and Awana, VPS and Emura, S (2014) Local structural distortions and their role in superconductivity in SmFeAsO1-xFx superconductors. In: SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 27 (7).

[img] PDF
sem_sci_tech_27_7_2014.pdf - Published Version
Restricted to Registered users only

Download (74kB) | Request a copy
Official URL: http://dx.doi.org/10.1088/0953-2048/27/7/075010


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: Journal Article
Additional Information: copyright of this article belongs to IOP PUBLISHING LTD,ENGLAND
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 19 Aug 2014 10:35
Last Modified: 19 Aug 2014 10:35
URI: http://eprints.iisc.ac.in/id/eprint/49582

Actions (login required)

View Item View Item