Conduction mechanisms in (La0.7Sr0.3MnO3)m(BiFeO3)n superlattice | Zendy

Jiang Ping | Zendy; Shunli Wang | Zendy; Weihua Tang | Zendy; Huiwen Zhu | Zendy; Mao Ling-Feng | Zendy

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Conduction mechanisms in (La0.7Sr0.3MnO3)m(BiFeO3)n superlattice

Author(s) -

Jiang Ping,

Shunli Wang,

Weihua Tang,

Huiwen Zhu,

Mao Ling-Feng

Publication year - 2010

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.59.5710

Subject(s) - superlattice , materials science , thermal conduction , condensed matter physics , insulator (electricity) , sputter deposition , sputtering , optoelectronics , thin film , composite material , nanotechnology , physics

(La0.7Sr0.3MnO3)m(BiFeO3)n superlattices were grown in situ on SrTiO3(001) substrates by rf magnetron sputtering. The current-voltage measurements were performed under the temperature of 50—150℃ for the superlattices specimens. The analysis showed that the leakage current increased with increasing the temperature or decreasing the BFO thickness in the samples. And the conduction mechanisms of the prepared (La0.7Sr0.3MnO3)m(BiFeO3)n superlattices were analyzed according to common insulator conduction models. It exhibited that the space-charge-limited current were dominated in the as fabricated (La0.7Sr0.3MnO3)m(BiFeO3)n superlattices in high temperature or high electrical field.

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