Effect of substrate temperature on electrical and magnetic properties of epitaxial La1?x
Pb
x
MnO3 films |
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| Authors: | Ajay Singh DK Aswal Shashwati Sen K Shah LC Gupta SK Gupta VC Sahni |
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| Institution: | (1) Technical Physics and Prototype Engineering Division, Bhabha Atomic Research Center, 400 085 Mumbai, India;(2) Tata Institute of Fundamental Research, Homi Bhabha Road, 400 005 Mumbai, India |
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| Abstract: | Epitaxial La1−x
Pb
x
MnO3 (LPMO) thin films, grown on (100) SrTiO3 substrates by laser ablation technique at different temperatures between 600 and 850°C, have been characterized for electrical
and magnetic properties. The temperature dependence of resistivity showed that the metal-insulator transition temperature
(T
MI) decreases with increasing substrate temperature, which has been attributed to decrease in Pb content in the filsm. The YBa2Cu3O
x
/La1−x
MnO3 heterostructures, exhibiting both superconductivity and ferromagnetism, have been fabricated. |
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| Keywords: | Colossal magnetoresistance La1− x Pb x MnO3 epitaxial films heterostructures |
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