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1. 发明授权

US08696812B2 Thin films of ferroelectric materials and a method for preparing same 有权
标题翻译：铁电材料薄膜及其制备方法
公开(公告)号：US08696812B2
公开(公告)日：2014-04-15
申请号：US12773593
申请日：2010-05-04
申请人： Kui Yao , Shuhui Yu , Francis Eng Hock Tay
发明人： Kui Yao , Shuhui Yu , Francis Eng Hock Tay
IPC分类号： C30B7/00
CPC分类号： C23C18/1216 , C23C18/1241 , H01L41/1875 , H01L41/318
摘要： Thin films of ferroelectric material with a high mole fraction of Pb(A2+1/3B5+2/3)O3 substantially in a perovskite phase, wherein A is zinc or a combination of zinc and magnesium, and B is a valence 5 element such as niobium or tantalum, have been prepared. Typically, the mole fraction of Pb(A2+1/3B5+2/3)O3 in the ferroelectric material is >0.7. The method for preparing the thin films of ferroelectric material comprises providing a precursor solution containing lead, A2+, and B5+; modifying the precursor solution by addition of a polymer species thereto; applying the modified precursor solution to a surface of a substrate and forming a coating thereon; and (d) subjecting the coating to a heat treatment and forming the film in the perovskite phase. Optimal results have been obtained with PEG200 as the polymer species.
摘要翻译：基本上在钙钛矿相中具有高摩尔分数的Pb（A2 + 1 / 3B5 + 2/3）O3的铁电材料薄膜，其中A是锌或锌和镁的组合，B是价数5元素作为铌或钽制备。通常，铁电材料中Pb（A2 + 1 / 3B5 + 2/3）O3的摩尔分数> 0.7。制备铁电材料薄膜的方法包括提供含有铅，A2 +和B5 +的前体溶液; 通过向其中加入聚合物物质来改性前体溶液; 将改性的前体溶液施加到基材的表面上并在其上形成涂层; 和（d）对涂层进行热处理，并在钙钛矿相中形成膜。 PEG200作为聚合物种类已获得最佳结果。

2. 发明授权

US08124251B2 Thin films of ferroelectric materials and a method for preparing same 有权
标题翻译：铁电材料薄膜及其制备方法
公开(公告)号：US08124251B2
公开(公告)日：2012-02-28
申请号：US11333774
申请日：2006-01-17
申请人： Kui Yao , Shuhui Yu , Francis Eng Hock Tay
发明人： Kui Yao , Shuhui Yu , Francis Eng Hock Tay
IPC分类号： B32B9/00
CPC分类号： C23C18/1216 , C23C18/1241 , H01L41/1875 , H01L41/318
摘要： Thin films of ferroelectric material with a high mole fraction of Pb(A2+1/3B5+2/3)O3 substantially in a perovskite phase, wherein A is zinc or a combination of zinc and magnesium, and B is a valence 5 element such as niobium or tantalum, have been prepared. Typically, the mole fraction of Pb(A2+1/3B5+2/3)O3 in the ferroelectric material is >0.7. The method for preparing the thin films of ferroelectric material comprises providing a precursor solution containing lead, A2+, and B5+; modifying the precursor solution by addition of a polymer species thereto; applying the modified precursor solution to a surface of a substrate and forming a coating thereon; and (d) subjecting the coating to a heat treatment and forming the film in the perovskite phase. Optimal results have been obtained with PEG200 as the polymer species.
摘要翻译：基本上在钙钛矿相中具有高摩尔分数的Pb（A2 + 1 / 3B5 + 2/3）O3的铁电材料薄膜，其中A是锌或锌和镁的组合，B是价数5元素作为铌或钽制备。通常，铁电材料中Pb（A2 + 1 / 3B5 + 2/3）O3的摩尔分数> 0.7。制备铁电材料薄膜的方法包括提供含有铅，A2 +和B5 +的前体溶液; 通过向其中加入聚合物物质来改性前体溶液; 将改性的前体溶液施加到基材的表面上并在其上形成涂层; 和（d）对涂层进行热处理，并在钙钛矿相中形成膜。 PEG200作为聚合物种类已获得最佳结果。

3. 发明申请

US20100221415A1 Thin Films of Ferroelectric Materials and a Method for Preparing Same 有权
标题翻译：铁电材料薄膜及其制备方法
公开(公告)号：US20100221415A1
公开(公告)日：2010-09-02
申请号：US12773593
申请日：2010-05-04
申请人： Kui Yao , Shuhui Yu , Francis Eng Hock Tay
发明人： Kui Yao , Shuhui Yu , Francis Eng Hock Tay
IPC分类号： B05D5/12
CPC分类号： C23C18/1216 , C23C18/1241 , H01L41/1875 , H01L41/318
摘要： Thin films of ferroelectric material with a high mole fraction of Pb(A2+1/3B5+2/3)O3 substantially in a perovskite phase, wherein A is zinc or a combination of zinc and magnesium, and B is a valence 5 element such as niobium or tantalum, have been prepared. Typically, the mole fraction of Pb(A2+1/3B5+2/3)O3 in the ferroelectric material is >0.7. The method for preparing the thin films of ferroelectric material comprises providing a precursor solution containing lead, A2+, and B5+; modifying the precursor solution by addition of a polymer species thereto; applying the modified precursor solution to a surface of a substrate and forming a coating thereon; and (d) subjecting the coating to a heat treatment and forming the film in the perovskite phase. Optimal results have been obtained with PEG200 as the polymer species.
摘要翻译：基本上在钙钛矿相中具有高摩尔分数的Pb（A2 + 1 / 3B5 + 2/3）O3的铁电材料薄膜，其中A是锌或锌和镁的组合，B是价数5元素作为铌或钽制备。通常，铁电材料中Pb（A2 + 1 / 3B5 + 2/3）O3的摩尔分数> 0.7。制备铁电材料薄膜的方法包括提供含有铅，A2 +和B5 +的前体溶液; 通过向其中加入聚合物物质来改性前体溶液; 将改性的前体溶液施加到基材的表面上并在其上形成涂层; 和（d）对涂层进行热处理，并在钙钛矿相中形成膜。 PEG200作为聚合物种类已获得最佳结果。

4. 发明申请

US20060183249A1 Thin films of ferroelectric materials and a method for preparing same 有权
标题翻译：铁电材料薄膜及其制备方法
公开(公告)号：US20060183249A1
公开(公告)日：2006-08-17
申请号：US11333774
申请日：2006-01-17
申请人： Kui Yao , Shuhui Yu , Francis Tay
发明人： Kui Yao , Shuhui Yu , Francis Tay
IPC分类号： H01L21/00
CPC分类号： C23C18/1216 , C23C18/1241 , H01L41/1875 , H01L41/318
摘要： Thin films of ferroelectric material with a high mole fraction of Pb(A2+1/3B5+2/3)O3 substantially in a perovskite phase, wherein A is zinc or a combination of zinc and magnesium, and B is a valence 5 element such as niobium or tantalum, have been prepared. Typically, the mole fraction of Pb(A2+1/3B5+2/3)O3 in the ferroelectric material is >0.7. The method for preparing the thin films of ferroelectric material comprises providing a precursor solution containing lead, A2+, and B5+; modifying the precursor solution by addition of a polymer species thereto; applying the modified precursor solution to a surface of a substrate and forming a coating thereon; and (d) subjecting the coating to a heat treatment and forming the film in the perovskite phase. Optimal results have been obtained with PEG200 as the polymer species.
摘要翻译：具有高摩尔分数Pb（A 2+ 3 + 3/5 + 5 + 2/3）的铁电材料薄膜，基本上在钙钛矿相中，其中A是锌或锌和镁的组合，并且B是价数5元素如铌或钽。通常，Pb（A 2+ + 3/3→5 + 2/3/3）O的摩尔分数铁电体材料中的<3> > 0.7。制备铁电材料薄膜的方法包括提供含有铅，A 2+ +和B 5+的前体溶液; 通过向其中加入聚合物物质来改性前体溶液; 将改性的前体溶液施加到基材的表面上并在其上形成涂层; 和（d）对涂层进行热处理，并在钙钛矿相中形成膜。 PEG200作为聚合物种类已获得最佳结果。

5. 发明申请

US20080152530A1 Method of preparing ferroelectric powders and ceramics 审中-公开
标题翻译：制备铁电粉末和陶瓷的方法
公开(公告)号：US20080152530A1
公开(公告)日：2008-06-26
申请号：US11641800
申请日：2006-12-20
申请人： Shuhui Yu , Limin Zhou , Haitao Huang , Yin Ye
发明人： Shuhui Yu , Limin Zhou , Haitao Huang , Yin Ye
IPC分类号： C22C32/00
CPC分类号： C01G23/006 , C01G21/06 , C01G23/003 , C01G23/047 , C01G25/006 , C01G25/02 , C01G29/006 , C01G33/00 , C01G53/006 , C01P2002/34 , C01P2002/72 , C01P2002/88 , C01P2004/03 , C01P2006/40 , C01P2006/42 , C04B35/462 , C04B35/472 , C04B35/475 , C04B35/491 , C04B35/499 , C04B35/6262 , C04B35/62655 , C04B35/62675 , C04B35/63416 , C04B35/63444 , C04B35/63488 , C04B2235/3201 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3279 , C04B2235/3284 , C04B2235/3298 , C04B2235/768 , C04B2235/785 , C04B2235/786 , C04B2235/81
摘要： The present invention relates methods of making a ferroelectric powder and ceramics having the steps of mixing a polymer and a metal oxide precursor mixture within a mill, milling the polymer/precursor mixture, drying the mixture, burning the dried solid, grinding the solid, and calcinating the solid to a ferroelectric powder. The present invention in particular introduces a polymeric species with a metal oxide precursor at the milling stage. The production of ceramics further involves compressing the ferroelectric powder and sintering the compression.
摘要翻译：本发明涉及制备铁电粉末和陶瓷的方法，该方法具有以下步骤：在研磨机内混合聚合物和金属氧化物前体混合物，研磨聚合物/前体混合物，干燥混合物，燃烧干燥固体，研磨固体，以及将固体煅烧成铁电粉末。本发明特别地在研磨阶段引入具有金属氧化物前体的聚合物种类。陶瓷的生产还包括压制铁电粉末并烧结压缩。

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