Abstract

AbstractThree-layer SrRuO_3/SrTiO_3/SrRuO_3 heterostructures were grown by laser evaporation on (110)LaAlO_3 substrates. Photolithography and ion etching are used to form plane-parallel film capacitors, in which a layer of strontium titanate is placed between two film electrodes of strontium ruthenate. Data on the structure and orientation of the intermediate SrTiO_3 layer in the grown heterostructures were obtained. The variation of the dielectric constant and dielectric loss of the SrTiO_3 intermediate layer upon varying the temperature and intensity of an external electric field was studied.

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