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Strontium ruthenate (SRO) is an oxide of strontium and ruthenium with the chemical formula Sr₂RuO₄. It was the first reported perovskite superconductor that did not contain copper. Strontium ruthenate is structurally very similar to the high-temperature cuprate superconductors, and in particular, is almost identical to the lanthanum doped superconductor (La, Sr)₂CuO₄. However, the transition temperature for the superconducting phase transition is 0.93 K, which is much lower than the corresponding value for cuprates.
A magnetoelectric heterojunction film and a preparation method thereof
The application discloses a magnetoelectric heterojunction film and a preparation method thereof. The magnetoelectric heterojunction film comprises a strontium titanate base layer, a strontium ruthenate electrode layer, a bismuth ferrite ferroelectric material layer and a SmCo-based ferromagnetic material layer which are stacked in sequence. The magnetoelectric heterojunction film has the multi-ferroelectric layer room-temperature magnetoelectric coupling effect and the excellent magnetic performance of the ferromagnetic layer, and the magnetoelectric coupling effect of the heterojunction film can be enhanced through the strong exchange bias effect at the interface.
Owner:SOUTH CHINA UNIV OF TECH