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Highly oriented and locally epitaxial multiferroic YCrO3 (001) thin films, 20nm thick, were deposited by r.f. magnetron sputtering on SrTiO3 (110) substrates at 890°C. The structure was investigated by x-ray diffraction and cross section high resolution transmition electron microscopy, a clear local matching between the YCrO3 film and the substrate was observed. Ferroelectricity was confirmed by means...
We present a simple and low cost procedure to obtain the electromechanical response, in a single-point, of non-conductive materials. The technique makes use of amplitude modulated voltage pulses in an atomic force microscope with standard configuration. Material response obtained, as signals of amplitude and phase from a lock-in amplifier as well as the input signal introduced to the conductive tip...
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