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Ab Initio Study of the Intrinsic Exchange Bias at the SrRuO/SrMnO Interface
Shuai Dong, Qinfang Zhang, Seiji Yunoki +2
In a recent publication (S. Dong et al., Phys. Rev. Lett.103, 127201 (2009)), two (related) mechanisms were proposed to understand the intrinsic exchange bias present in oxides het…
Microscopic model for the ferroelectric field effect in oxide heterostructures
Shuai Dong, Xiaotian Zhang, Rong Yu +2
A microscopic model Hamiltonian for the ferroelectric field effect is introduced for the study of oxide heterostructures with ferroelectric components. The long-range Coulomb inter…
Complex State Found in the CMR Regime of Models for Colossal Magnetoresistive Manganites
Cengiz Sen, Shuhua Liang, Elbio Dagotto
In this report, we study in detail the competitor to the FM metallic state at electronic density in the CMR regime using the two-orbital double-exchange model with Jahn-Tel…
Antiferromagnetic transitions in `T-like' BiFeO3
G. J. MacDougall, H. M. Christen, W. Siemons +5
Recent studies have reported the existence of an epitaxially-stabilized tetragonal-like ('T-like') monoclinic phase in BiFeO3 thin-films with high levels of compressive strain. Whi…
Multiferroic Properties of CaMnO
Guoquan Zhang, Shuai Dong, Zhibo Yan +5
We report that CaMnO is a new magnetic multiferroic material. The appearance of a ferroelectric polarization coinciding with the magnetic phase transition ( K) s…