摘要:
There are provided a dielectric ceramic composition and a multilayer ceramic capacitor containing the same. The dielectric ceramic composition may contain a base material powder represented by (Ca1-xSrx)(Zr1-yTiy)O3 (0≦x≦1.0 and 0.3≦y≦0.8). A multilayer ceramic capacitor may include a ceramic body in which dielectric layers and first and second internal electrodes are alternately stacked, wherein the dielectric layers contain a dielectric ceramic composition containing a base material powder represented by (Ca1-xSrx)(Zr1-yTiy)O3 (0≦x≦1.0 and 0.3≦y≦0.8).
摘要:
A dielectric ceramic composition may include: a base powder represented by BaTiO3 and accessory components. In an XRD measurement of a dielectric material in which the base powder and the accessory components are sintered, when a (1, 1, 0) plane peak of a BaTiO3 crystal phase is converted into 1.00, a secondary phase peak of pyrochlore (RE2Ti2O7) (RE is a rare earth element) at about 30.5 degrees, as compared with the (1, 1, 0) plane peak, is 0.01 or less.
摘要:
A dielectric ceramic composition contains a first main ingredient of BaTiO3 and a second main ingredient of BaTi2O5, and a base material powder containing the first and second main ingredients is represented by (1-x)BaTiO3-xBaTi2O5 and x satisfies 0.1≦x≦0.8. The dielectric ceramic composition may include additional accessory ingredients, and may be used to form ceramic sheets having internal electrodes of a multilayer ceramic capacitor disposed thereon.
摘要:
A dielectric ceramic composition includes a base material main component of barium titanate and a subcomponent. A microstructure of the dielectric ceramic composition after sintering includes a first grain having a Ca content of less than 3.5 at % and a second grain having a Ca content of 3.5 to 13.5 at %, and an area ratio of the second grain to an area of the total grains is 70% to 95%.
摘要:
A dielectric ceramic composition contains a base material main ingredient and an accessory ingredient. The base material main ingredient includes a first base material main ingredient containing BaTiO3 and a second base material main ingredient containing (Na1-yKy)NbO3. The base material main ingredient is represented by (1-x)BaTiO3-x(Na1-yKy)NbO3, in which x and y satisfy 0.005≦x≦0.5 and 0.3≦y≦1.0, respectively.
摘要:
A dielectric ceramic composition includes a base material main component of barium titanate and a subcomponent. A microstructure of the dielectric ceramic composition after sintering includes a first grain having a Ca content of less than 3.5 at % and a second grain having a Ca content of 3.5 to 13.5 at %, and an area ratio of the second grain to an area of the total grains is 70% to 95%.
摘要:
There is provided a dielectric ceramic composition including: a major component (a barium titanate-based base material); and a minor component, wherein in an XRD analysis of a sintered body obtained by sintering the dielectric ceramic composition, when a (110) peak of BaTiO3 is set as 1.00, a ratio of a peak of pyrochlore (RE2Ti2O7) at about 30.5 degrees with respect to the (110) peak of BaTiO3 satisfies 0.02 or less, where RE is at least one of Y, Dy, Ho, Sm, Gd, Er, La, Ce, Nd, Tb, and Pr.
摘要翻译:提供了一种介电陶瓷组合物,其包括:主要成分(钛酸钡基基材); 和次要组分,其中在通过烧结介电陶瓷组合物获得的烧结体的XRD分析中,当BaTiO 3的(110)峰值设定为1.00时,烧绿石的峰值(RE 2 Ti 2 O 7)与约30.5度的比例与 相对于BaTiO 3的(110)峰满足0.02以下,其中RE为Y,Dy,Ho,Sm,Gd,Er,La,Ce,Nd,Tb和Pr中的至少一种。
摘要:
There is provided a dielectric ceramic composition including: a major component (a barium titanate-based base material); and a minor component, wherein the dielectric ceramic composition is sintered to form a sintered body having a fine structure, the fine structure includes first crystal grains in which a Ca content is lower than 2.5 mol % and second crystal grains in which a Ca content is between 2.5 mol % to 13.5 mol %, and the second crystal grains have a cross-sectional area ratio of 30% to 80% on the basis of 100% of an overall cross-sectional area of the fine structure.
摘要:
There is provided a dielectric ceramic composition including a base powder, wherein the base powder includes: a first major component represented by BaTiO3, a second major component represented by (Na, K)NbO3, and a third major component represented by (Bi, Na)TiO3. The base powder is represented by xBaTiO3-y(Na, K)NbO3-z(Bi, Na)TiO3, where x+y+z=1, and x, y, and z are represented by mol, and x, y and z satisfy 0.5≦x≦0.97, 0.01≦y≦0.48, and 0.02≦z≦0.2, respectively. In certain embodiments, the base powder is be represented by xBaTiO3-y(Na0.5K0.5NbO3-z(Bi0.5Na0.5)TiO3.
摘要翻译:提供一种包括基础粉末的介电陶瓷组合物,其中所述基础粉末包括:由(Na,K)NbO 3表示的第二主要成分和由(Bi,Na )TiO3。 基体粉末由xBaTiO3-y(Na,K)NbO3-z(Bi,Na)TiO3表示,其中x + y + z = 1,x,y和z由mol表示,x,y和 z分别满足0.5≦̸ x< lE; 0.97,0.01≦̸ y≦̸ 0.48和0.02< lE; z≦̸ 0.2。 在某些实施方案中,基础粉末由xBaTiO3-y(Na0.5K0.5NbO3-z(Bi0.5Na0.5)TiO3)表示。