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Temperature-composition Phase Diagrams for Ba1-xSrxFe2As2 and Ba0.5Sr0.5(Fe1-yCoy)2As2
Jonathan E. Mitchell, Bayrammurad Saparov, Wenzhi Lin +6
Single crystals of mixed alkaline earth metal iron arsenide materials of Ba1-xSrxFe2As2 and Ba0.5Sr0.5(Fe1-yCoy)2As2 are synthesized via the self-flux method. Ba1-xSrxFe2As2 displa…
Correlation Between Structure And C-Afm Contrast Of 180-Degree Domain Walls In Rhombohedral Bati03
Eugene A. Eliseev, Peter V. Yudin, Sergei V. Kalinin +3
Using Landau-Ginzburg-Devonshire theory we describe 180-degree domain wall structure, intrinsic energy and carrier accumulation in rhombohedral phase of BaTiO3 as a function of the…
Anisotropic conductivity of uncharged domain walls in BiFeO3
Anna N. Morozovska, Rama K. Vasudevan, Peter Maksymovych +2
Experimental observations suggest that nominally uncharged, as-grown domain walls in ferroelectric thin films can be conductive, yet comprehensive theoretical models to explain thi…
Conductivity of twin walls - surface junctions in ferroelastics: interplay of deformation potential, octahedral rotations, improper ferroelectricity and flexoelectric coupling
Eugene A. Eliseev, Anna N. Morozovska, Albina Y. Borisevich +4
Electronic and structural phenomena at the twin domain wall-surface junctions in the ferroelastic materials are analyzed. Carriers accumulation caused by the strain-induced band st…
Roto-flexoelectric coupling impact on the phase diagrams and pyroelectricity of thin SrTiO3 films
A. N. Morozovska, E. A. Eliseev, S. L. Bravina +2
The influence of the flexoelectric and rotostriction coupling on the phase diagrams of ferroelastic-quantum paraelectric SrTiO3 films was studied using Landau-Ginzburg-Devonshire (…
Mesoscopic mechanism of the domain wall interaction with elastic defects in ferroelectrics
Anna N. Morozovska, Eugene A. Eliseev, G. S. Svechnikov +1
The role of elastic defects on the kinetics of 180-degree uncharged ferroelectric domain wall motion is explored using continuum time-dependent LGD equation with elastic dipole cou…