Magnetic and transport properties of Ba and Co co-doped SrRuO3 | Zendy

Chao Qi | Zendy; Gang Bai | Zendy; Jingbo Xu | Zendy; Qiyun Xie | Zendy; Xiaoshan Wu | Zendy

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Magnetic and transport properties of Ba and Co co-doped SrRuO3

Author(s) -

Chao Qi,

Gang Bai,

Jingbo Xu,

Qiyun Xie,

Xiaoshan Wu

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.5009272

Subject(s) - ionic radius , orthorhombic crystal system , doping , materials science , cobalt , curie temperature , magnetoresistance , ion , condensed matter physics , microstructure , analytical chemistry (journal) , crystallography , chemistry , ferromagnetism , crystal structure , magnetic field , metallurgy , physics , optoelectronics , organic chemistry , chromatography , quantum mechanics

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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