Departmental Papers (MSE)

Document Type

Journal Article

Date of this Version

October 2006

Comments

Postprint version. Published in Journal of Physics: Condensed Matter, Volume 80, Issue 40, October 2006, pages 9215-9220. Publisher URL: http://dx.doi.org/10.1088/0953-8984/18/40/007

Abstract

We have investigated Sr1−xLax/2Kx/2RuO3 and Sr1−xPbxRuO3, which have a larger average size of the A-site cations. They manifest a gradual loss of ferromagnetism in a similar way as their counterparts with smaller A-site cations. There is also evidence for a magnetism-suppressing disorder effect similar to that observed in Sr1−xLax/2Nax/2RuO3. Therefore, the Stoner ferromagnetism in SrRuO3 is rather unique and cannot be easily tuned by lattice distortion to yield a higher Curie temperature.

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Date Posted: 03 May 2007

This document has been peer reviewed.