Dielectric composition, dielectric element, and multilayer electronic component

Abstract

A dielectric composition including a crystal phase which includes an Sr2NaNb5O15-based oxide having a tungsten bronze-type structure. The Sr2NaNb5O15-based oxide has a crystal structure characterized in that, in a synchrotron XRD pattern obtained through analysis of the Sr2NaNb5O15-based oxide by synchrotron XRD at a measurement wavelength of 0.85 angstroms, a peak top of the synchrotron XRD pattern appears in a range of diffraction angle 2θ of 10.7° to 11.0°, and a peak intensity ratio is 0.0043 or more. The peak intensity ratio is the ratio of an intensity of a peak having the peak top to an intensity of a maximum peak having the maximum intensity among peaks in the synchrotron XRD pattern attributable to the Sr2NaNb5O15-based oxide.