Title of article
Effect of ruthenium doping on the properties of Pr0.5A0.5MnO3 (A=Ca,Sr)
Author/Authors
P.V and Vijaya Sarathy، نويسنده , , K and Sreeraj، نويسنده , , P، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2002
Pages
4
From page
385
To page
388
Abstract
The effect of ruthenium substitution on Pr0.5A0.5MnO3 (A=Ca, Sr) has been investigated. Pr0.5Ca0.5MnO3 is a charge-ordered antiferromagnetic insulator and 1% Ru4+ doping induces ferromagnetism (TC=150 K) and an insulator–metal transition. Charge ordering is suppressed but not destroyed. Increasing the ruthenium content to 3% completely destroys charge ordering and shifts the TC to 215 K. Pr0.5Sr0.5MnO3 goes from a ferromagnetic metallic state to an antiferromagnetic insulating state. Doping by ruthenium is seen to effect an insulator–metal transition and the antiferromagnetic state is completely destroyed.
Keywords
D. Electronic transport , A. Magnetically ordered materials
Journal title
Solid State Communications
Serial Year
2002
Journal title
Solid State Communications
Record number
1762231
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