Magnetic and transport properties of Ba and Co co-doped SrRuO3
Source abstract
Abstract
The microstructure and electro-magnetic properties of simultaneous Ba doping for Sr and Co doping for Ru in SrRuO3 have been carefully investigated. All the doped samples exhibit the same orthorhombic Pnma structure as the pure bulk SrRuO3, although introducing some local structural modifications due to the ionic radius mismatch at Sr/Ru-site. A maximum of 2.2% negative magnetoresistance and much suppressed Curie temperature are found for the most insulating Ba and Co co-doped Sr0.88Ba0.12Ru0.88Co0.12O3 sample. The substitution induced A-site disorder, B-site ion dilution, structural distortion and the intrinsic nature of cobalt ion etc. are jointly considered to explain the observed interesting phenomena.
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Research context
OpenAlex topics: Advanced Condensed Matter Physics · Magnetic and transport properties of perovskites and related materials · Multiferroics and related materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Radio Frequency and Micro-Nano Electronics of Jiangsu Province 1 , Nanjing 210023, Jiangsu, China
National Lab of Solid State Microstructures, Department of Physics, Nanjing University 2 , Nanijng 210093, P. R. China
Funding
Postgraduate Research and Practice Innovation Program of Jiangsu Province · National Natural Science Foundation of China
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