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Journal of Chemical Sciences
Volume 135, 2023
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Continuous Article Publishing mode
S La Rosa
Articles written in Journal of Chemical Sciences
Volume 118 Issue 1 January 2006 pp 87-92
A microspectroscopic study of the electronic homogeneity of ordered and disordered Sr2FeMoO6
Dinesh Topwal U Manju Sugata Ray S Raj D D Sarma S R Krishnakumar M Bertolo S La Rosa G Cautero
Disordered Sr2FeMoO6 shows a drastic reduction in saturation magnetization compared to highly ordered samples, moreover magnetization as a function of the temperature for different disordered samples shows qualitatively different behaviours. We investigate the origin of such diversity by performing spatially resolved photoemission spectroscopy on various disordered samples. Our results establish that extensive electronic inhomogeneity, arising most probably from an underlying chemical inhomogeneity in disordered samples, is responsible for the observed magnetic inhomogeneity. It is further pointed out that these inhomogeneities are connected with composition fluctuations of the type Sr2Fe1+
Volume 135, 2023
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Continuous Article Publishing mode
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