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Observation of persistent centrosymmetricity in the hexagonal manganite family
Yu Kumagai, Alexei A. Belik, Martin Lilienblum +3
The controversy regarding the ferroelectric behavior of hexagonal InMnO is resolved by using a combination of x-ray diffraction (XRD), piezoresponse force microscopy (PFM), sec…
Induced magnetoelectric response in Pnma perovkites
Eric Bousquet, Nicola Spaldin
We use symmetry analysis to show that the G, C and A-type antiferromagnetic Pnma perovskites can exhibit magnetoelectric (ME) responses when a ferroelectric instability is induced…
Structure and properties of functional oxide thin films: Insights from electronic-structure calculations
James M. Rondinelli, Nicola A. Spaldin
The confluence of state-of-the-art electronic-structure computations and modern synthetic materials growth techniques is proving indispensable in the search for and discovery of ne…
Band alignment at metal/ferroelectric interfaces: insights and artifacts from first principles
Massimiliano Stengel, Pablo Aguado-Puente, Nicola A. Spaldin +1
Based on recent advances in first-principles theory, we develop a general model of the band offset at metal/ferroelectric interfaces. We show that, depending on the polarization of…