Uniaxial strain below 0.5% enables continuous reversible control of ferroelastic domains in LaAlO3, mapping the evolution from rhombohedral R-3c to orthorhombic Fmmm phase via AFM, XRD, Raman spectroscopy, and first-principles calculations.
In order to make statements with respect to the strain of the sample, XRD measurements of the sample mounted on the strain cell are performed, while ramping up and down the stress
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Uniaxial strain-driven ferroelastic domain control in LaAlO3
Uniaxial strain below 0.5% enables continuous reversible control of ferroelastic domains in LaAlO3, mapping the evolution from rhombohedral R-3c to orthorhombic Fmmm phase via AFM, XRD, Raman spectroscopy, and first-principles calculations.