Abstract: The aim of the present invention lies in providing a dielectric composition which has a relatively high dielectric constant of 800 or greater, and which has relatively low dielectric loss of 4% or less when a DC bias of at least 8 V/ym is applied, and also in providing a dielectric element employing said dielectric composition, an electronic component, and a laminated electronic component. A dielectric composition having a main component represented by (BiaNabSrcBad) (?xTi1-x) O3, characterized in that a is at least one selected from Zr and Sn; and a, b, c, d and x satisfy the following: 0.140?a?0.390, 0.140?b?0.390, 0.200?c?0.700, 0.020?d?0.240, 0.020?x?0.240 and 0.950<a+b+c+d?1.050.

Abstract: A dielectric composition, a dielectric element, an electronic component and a laminated electronic component are disclosed. In various embodiment, the dielectric composition includes a main component represented by (BiaNabSrcLnd)TiO3, wherein Ln is at least one element selected from the group consisting of: La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho and Yb, and wherein a, b, c and d satisfy the following: 0<a<0.50, 0<b<0.50, 0<c?0.80, 0<d?0.20, and 0.90?a+b+c+d?1.05.

Abstract: The problem addressed lies in providing a dielectric composition having a relatively high dielectric constant of 900 or greater when a DC bias of at least 8 V/ym is applied, and also in providing a dielectric element employing said dielectric composition, an electronic component, and a laminated electronic component. [Solution] A dielectric composition in which the composition of the main component is in accordance with the following formula (1): (BiaNabSrc) (ZndTi1_d)03 (1) [where a, b, c and d satisfy the following: 0.09?a?0.58, 0.09?b?0.42, 0.05?c?0.84, 0?d?0.08, and 0.95?a+b+c?1.05].

Abstract: The problem addressed lies in providing a dielectric composition having a relatively high dielectric constant of 800 or greater when a DC bias of at least 8 V/?m is applied, and also in providing a dielectric element employing said dielectric composition, an electronic component, and a laminated electronic component. [Solution] A dielectric composition in which the composition of the main component is in accordance with the following formula (1): (BiaNabSrc) (MgdTi1-d)O3 (1) [where a, b, c and d satisfy the following: 0.10?a?0.65, 0<b?0.45, 0<c?0.85, 0<d<0.20, and 0.95?a+b+c?1.05].

Abstract: The present invention relates to a dielectric ceramic composition which is complex oxides represented by the following formula (1), {[(BisNat)a(BiuKv)bBac]1-dAd}xTi1-dNbdO3 (1), wherein, in formula (1), A represents at least one element selected from the group consisting of Li, Na and K, and a, b, c, d, s, t, u, v and x are numbers respectively satisfying the following formulae, 0.10?a?0.95, 0.00<b?0.85, 0.05?c?0.70, a+b+c=1, 0.10?d?0.50, 0.90?s+u?1.00, 0.45?t?0.50, 0.45?v?0.50 and 0.95?x?1.05.

Abstract: To provide a dielectric ceramic composition having a high dielectric constant, i.e., 3,000 or more, at elevated temperatures at or above 150° C. and having a practically sufficient relative dielectric constant at an applied DC electric field of 2 V/?m, and to provide a dielectric device including such a dielectric ceramic composition, a dielectric ceramic composition is a composite oxide represented by formula (1): {[(BisNat)a(BiuKv)bBac]1-dNad}xTi1-dNbdO3??(1) where a, b, c, d, s, t, u, v, and x are numbers satisfying the following conditions: 0.20?a<0.95 0.00<b?0.50 if 0.20<a<0.70, b<(1.20?a)/2 0.05?c<0.60 if 0.20<a<0.70, c>(0.80?a)/2 a+b+c=1 0.02?d<0.10 0.90?s+u?1.00 0.45?t?0.50 0.45?v?0.50 0.95?x?1.05.

Abstract: The present invention relates to a dielectric ceramic composition which is complex oxides represented by the following formula (1), {[(BisNat)a(BiuKv)bBac]1-dAd}xTi1-dNbdO3 (1), wherein, in formula (1), A represents at least one element selected from the group consisting of Li, Na and K, and a, b, c, d, s, t, u, v and x are numbers respectively satisfying the following formulae, 0.10?a?0.95, 0.00<b?0.85, 0.05?c?0.70, a+b+c=1, 0.10?d?0.50, 0.90?s+u?1.00, 0.45?t?0.50, 0.45?v?0.50 and 0.95?x?1.05.

Abstract: To provide a dielectric ceramic composition having a high dielectric constant, i.e., 3,000 or more, at elevated temperatures at or above 150° C. and having a practically sufficient relative dielectric constant at an applied DC electric field of 2 V/?m, and to provide a dielectric device including such a dielectric ceramic composition, a dielectric ceramic composition is a composite oxide represented by formula (1): {[(BisNat)a(BiuKv)bBac]1-dNad}xTi1-dNbdO3??(1) where a, b, c, d, s, t, u, v, and x are numbers satisfying the following conditions: 0.20?a<0.95 0.00<b?0.50 if 0.20<a<0.70, b<(1.20?a)/2 0.05?c<0.60 if 0.20<a<0.70, c>(0.80?a)/2 a+b+c=1 0.02?d<0.10 0.90?s+u?1.00 0.45?t?0.50 0.45?v?0.50 0.95?x?1.

Abstract: According to a preferred embodiment, the piezoelectric ceramic includes a complex oxide having the composition represented by formula (1) or (2), and Mn at 0.2-1.2 mass % or 0.2-3 mass %, respectively, in terms of MnCO3. (Pb1-aA1a)TixZr1-x-y-z-b(Zn1/3A22/3)y(Yb1/2A21/2)zSnbO3??(1) (Pb1-aA1a)TixZr1-x-y-b(Zn1/3A22/3)ySnbO3??(2) [In formula (1), A1 represents at least one element selected from the group consisting of Ca, Sr and Ba, and A2 is at least one element selected from the group consisting of Nb, Ta and Sb, and includes at least Nb. In formula (2), A1 represents at least one element selected from among Ca, Sr and Ba, A2 represents at least one element selected from among Nb and W, and A2 includes at least Nb.

Abstract: Provided is a piezoelectric ceramic composition which can increase Qmax of a resonator and inhibit the resonator from changing its oscillation frequency F0 under a low temperature environment. The piezoelectric ceramic composition has a structure represented by the following general formula (1): (Pb?Ln?Me?)(Ti1?(x+y+z)ZrxMnyNbz)O3??(1) where Ln is a lanthanoid element, Me is an alkaline-earth metal element, ?>0, ?>0, ??0, 0.965??+?+??1.000, 0.158?x?0.210, y?0, z?0, and 1?(x+y+z)>0.

Abstract: According to a preferred embodiment, the piezoelectric ceramic includes a complex oxide having the composition represented by formula (1) or (2), and Mn at 0.2-1.2 mass % or 0.2-3 mass %, respectively, in terms of MnCO3. (Pb1-aA1a)TixZr1-x-y-z-b(Zn1/3A22/3)y(Yb1/2A21/2)zSnbO3??(1) (Pb1-aA1a)TixZr1-x-y-b(Zn1/3A22/3)ySnbO3??(2) [In formula (1), A1 represents at least one element selected from the group consisting of Ca, Sr and Ba, and A2 is at least one element selected from the group consisting of Nb, Ta and Sb, and includes at least Nb. In formula (2), A1 represents at least one element selected from among Ca, Sr and Ba, A2 represents at least one element selected from among Nb and W, and A2 includes at least Nb.

Abstract: Provided is a piezoelectric ceramic composition which can increase Qmax of a resonator and inhibit the resonator from changing its oscillation frequency F0 under a low temperature environment. The piezoelectric ceramic composition has a structure represented by the following general formula (1): (Pb?Ln?Me?)(Ti1?(x+y+z)ZrxMnyNbz)O3??(1) where Ln is a lanthanoid element, Me is an alkaline-earth metal element, ?>0, ?>0, ??0, 0.965??+?+??1.000, 0.158?x?0.210, y?0, z?0, and 1?(x+y+z)>0.