Electric field modulated conduction mechanism in Al/BaTiO3/La0.67Sr0.33MnO3 heterostructures

Dongxing Zheng, Dong Li, Junlu Gong, Chao Jin, Peng Li, Xixiang Zhang, Haili Bai

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Mediating a metastable state is a promising way to achieve a giant modulation of physical properties in artificial heterostructures. A metastable state La0.67Sr0.33MnO3 (LSMO) layer suffering tensile strain was grown on MgO substrates. Incorporating with the ferroelectric BaTiO3 (BTO) layer, an accumulation or depletion state controlled by electric fields can be formed at the BTO/LSMO interface, which drives a switching of the conduction mechanism between space charge limited conduction and Poole-Frenkel emission, corresponding to the low and high resistance states. Our results lighten an effective way for electric-field modulated resistance states in multiferroic magnetoelectric devices.
Original languageEnglish (US)
Pages (from-to)062901
JournalApplied Physics Letters
Issue number6
StatePublished - Aug 8 2017


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