27-06-2013 дата публикации
Номер: US20130165313A1
Принадлежит:
To produce a ferroelectric film including a non-lead material. An embodiment of the present invention is a ferroelectric film characterized by being represented by (Baα)(Tiβ(α: one or more metal elements among Mg (magnesium), Ca2+ (calcium), Sr (strontium), Li (lithium), Na (sodium), K (potassium), Rb (rubidium), Cs (cesium), Mg (magnesium), Ca2+ (calcium) and Sr (strontium), β: one or more metal elements among Ti (titanium), V (vanadium), Cr (chromium), Mn (manganese), Fe (iron), Co (cobalt), Ni (nickel), Cu (copper), Zr (zirconium), Nb (niobium), Mo (molybdenum), Ru (ruthenium), Rh (rhodium), Pd (palladium), Ag (silver), Sc (scandium), Y (yttrium), La (lanthanum), Ce (cerium), Pr (praseodymium), Nd (neodymium), Sm (samarium), Eu (europium), Gd (gadolinium), Tb (terbium), Dy (dysprosium), Ho (holmium), Er (erbium), Tm (thulium), Yb (ytterbium), Lu (lutetium), Ha (hafnium) and Ta (tantalum)). 124-. (canceled)25. A ferroelectric film represented by (Baα)(Tiβ)O(α: one or more metal elements among Mg (magnesium) , Sr (strontium) , Li (lithium) , Na (sodium) , K (potassium) , Rb (rubidium) and Cs (cesium) , β: one or more metal elements among V (vanadium) , Cr (chromium) , Mn (manganese) , Fe (iron) , Co (cobalt) , Ni (nickel) , Cu (copper) , Zr (zirconium) , Nb (niobium) , Mo (molybdenum) , Ru (ruthenium) , Rh (rhodium) , Pd (palladium) , Ag (silver) , Sc (scandium) , Y (yttrium) , La (lanthanum) , Ce (cerium) , Pr (praseodymium) , Nd (neodymium) , Sm (samarium) , Eu (europium) , Gd (gadolinium) , Tb (terbium) , Dy (dysprosium) , Ho (holmium) , Er (erbium) , Tm (thulium) , Yb (ytterbium) , Lu (lutetium) , Ha (hafnium) and Ta (tantalum)) ,wherein a and b satisfy Expressions (1) and (2) below:(1) 0.5≦a≦1(2) 0≦b≦0.5.26. The ferroelectric film according to claim 25 , wherein said α is an alkali metal element.27. The ferroelectric film according to claim 25 , wherein said (Baα)(TiZr)Oincludes a perovskite structure.28. A sol-gel solution for forming a ferroelectric film on ...
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