酸化物単結晶基板を用いたCoCrPt垂直単結晶薄膜の作製

概要

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CoCrPt single-crystal thin films were prepared on single-crystal substrates of Al_2O_3, LaAlO_3, and SrTiO_3. A good single-crystal of c-axis-oriented CoCr_<19>Pt_<10> thin film was obtained on an Al_2O_3(0001) substrate when CoCr_<19>Pt_<10> film was deposited via a non-magnetic CoCr_<25>RU_<25> under layer. Structural analyses were carried out by X-ray diffraction and transmission electron microscopy. The epitaxial relationships between the magnetic layer and the substrate were determined for various oxide substrates. Results demonstate that the substrate and the non-magnetic under layer play important roles for growth of a CoCrPt single-crystal thin film with good crystallographic quality.
社団法人日本磁気学会の論文
2001-04-15