A MULTIFERROIC LAMINATED STRUCTURE, A SWITCHING ELEMENT, A MAGNETIC DEVICE AND A METHOD FOR MANUFACTURING A LAMINATED STRUCTURE
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Feb 27, 2015
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Feb 27, 2014
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More stable perpendicular magnetization orientation is attained, and switching of the magnetization orientation between an out-of-plane direction and an in-plane direction is enabled by voltage. A multiferroic laminated structure having ferroelectricity and ferromagnetism includes: a ferroelectric layer made of a ferroelectric substance having the ferroelectricity; a foundation layer composed mainly of a metal having a good lattice-matching property with the ferroelectric substance and laminated on a surface of the ferroelectric layer; an intermediate layer composed mainly of a non-magnetic substance and laminated on a surface of the foundation layer; and a ferromagnetic/non-magnetic multilayer film layer constituted by alternately laminating ferromagnetic layers and non-magnetic layers on a surface of the intermediate layer in at least three cycles, the ferromagnetic layers being composed mainly of a ferromagnetic substance, the non-magnetic layers being composed mainly of the non-magnetic substance.
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