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Layered perovskites having room-temperature ferromagnetism and ferroelectricity and electronics comp 发明申请

2022-07-31 1010 548K 0

专利信息

申请日期 2025-02-27 申请号 KR1020030052116
公开(公告)号 KR1020050013458A 公开(公告)日 2005-02-04
公开国别 KR 申请人省市代码 全国
申请人 POSTECH FOUNDATION; RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE TECHNOLOGY
简介 PURPOSE : A layered Perovskite material is provided to give both strong magnetic force and dielectricity at room temperature at the same time, thereby being suitably used to various electronic devices such as a spintronic device, a high speed information storage device, a magnetic-electric sensor, a magnetic sensor, an electric sensor and the like. CONSTITUTION : The layered Perovskite material having both strong magnetic force and dielectricity at room temperature is represented by a formula : Bi4-xRxTi3O12, wherein R is a rare earth metal selected from Nd, Gd Pr, Sm, Eu, Tb, Dy, Ho, Er, La and its mixtures, and x is 0.1-3. The layered Perovskite material is represented by a formula : Bi4-xRxTi3-yTyO12, wherein T is a transition metal selected from Co, Ni, Fe, Mn, W, V, Nb, Mo, Ta, Zr and its mixtures, and y is 0.001-3. © KIPO 2005


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