A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
To provide a dielectric ceramic composition whose relative permittivity of a dielectric material is hard to decrease even when DC bias application is increased.SOLUTION: Provided is a dielectric ceramic composition where BaTiO3 perovskite phase and NaNbO3 perovskite phase coexist. The dielectric ceramic composition has BaTiO3 and (1-x)NaNbO3-xABO3, and has a content α of BaTiO3 of 65 mol% or more and less than 100 mol% and a content β of (1-x)NaNbO3-xABO3 of more than 0 mol% and 35 mol% or less, where x is more than 0 and 0.1 or less, A shows at least one of elements selected from the group consisting of Ba, Ca, and Sr, and B shows at least one of elements selected from the group consisting of Zr, Hf, and Sn.SELECTED DRAWING: Figure 1
【課題】ＤＣバイアス印加を増大させても、誘電体材料の比誘電率が低下しにくい誘電体磁器組成物を提供する。【解決手段】 ＢａＴｉＯ３ペロブスカイト相及びＮａＮｂＯ３ペロブスカイト相が併存している誘電体磁器組成物であり、ＢａＴｉＯ３及び（１－ｘ）ＮａＮｂＯ３－ｘＡＢＯ３を有する誘電体磁器組成物であって、ＢａＴｉＯ３の含有量αが６５モル％以上１００モル％未満、（１－ｘ）ＮａＮｂＯ３－ｘＡＢＯ３の含有量βが０モル％を超え３５モル％以下であり、ｘは０を超え０．１以下であり、Ａは、Ｂａ、Ｃａ、及びＳｒの群から選択される少なくとも１種の元素を示し、ＢはＺｒ、Ｈｆ、及びＳｎの群から選択される少なくとも１種の元素を示す、誘電体磁器組成物である。【選択図】図１
To provide a dielectric ceramic composition whose relative permittivity of a dielectric material is hard to decrease even when DC bias application is increased.SOLUTION: Provided is a dielectric ceramic composition where BaTiO3 perovskite phase and NaNbO3 perovskite phase coexist. The dielectric ceramic composition has BaTiO3 and (1-x)NaNbO3-xABO3, and has a content α of BaTiO3 of 65 mol% or more and less than 100 mol% and a content β of (1-x)NaNbO3-xABO3 of more than 0 mol% and 35 mol% or less, where x is more than 0 and 0.1 or less, A shows at least one of elements selected from the group consisting of Ba, Ca, and Sr, and B shows at least one of elements selected from the group consisting of Zr, Hf, and Sn.SELECTED DRAWING: Figure 1
【課題】ＤＣバイアス印加を増大させても、誘電体材料の比誘電率が低下しにくい誘電体磁器組成物を提供する。【解決手段】 ＢａＴｉＯ３ペロブスカイト相及びＮａＮｂＯ３ペロブスカイト相が併存している誘電体磁器組成物であり、ＢａＴｉＯ３及び（１－ｘ）ＮａＮｂＯ３－ｘＡＢＯ３を有する誘電体磁器組成物であって、ＢａＴｉＯ３の含有量αが６５モル％以上１００モル％未満、（１－ｘ）ＮａＮｂＯ３－ｘＡＢＯ３の含有量βが０モル％を超え３５モル％以下であり、ｘは０を超え０．１以下であり、Ａは、Ｂａ、Ｃａ、及びＳｒの群から選択される少なくとも１種の元素を示し、ＢはＺｒ、Ｈｆ、及びＳｎの群から選択される少なくとも１種の元素を示す、誘電体磁器組成物である。【選択図】図１
DIELECTRIC CERAMIC COMPOSITION
誘電体磁器組成物
SADA TAKAO (author)
2024-04-11
Patent
Electronic Resource
Japanese
DIELECTRIC CERAMIC MATERIAL AND DIELECTRIC CERAMIC COMPOSITION
| European Patent Office | 2018