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[en] The charge order-like transition observed at 260 K in La0.4Ca0.6MnO3 is suppressed by 20% Cr or Fe substitution at Mn site. Whereas no magnetoresistance (MR) was observed in the parent compound, even in a field of 14 T, a sizeable MR is observed in the substituted samples. However, at 50 K in a field of 5 T, the MR of the Cr-doped sample was larger by a factor of 10 compared with that of Fe-doped one
Journal
Journal of Magnetism and Magnetic Materials; ISSN 0304-8853; 
; CODEN JMMMDC; v. 272-276(6); p. E1379-E1382
; CODEN JMMMDC; v. 272-276(6); p. E1379-E1382