Patent ID: 11901132
Assignee: TAIYO YUDEN CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B  C | IPC C  H

Claim 17:
18. The ceramic electronic device as claimed in claim 17,
wherein the direction of atomic displacement is an average value of directions of atomic displacement of all B site atoms in an image captured by an aberration corrected annular bright-field scanning transmission electron microscope, when four oxygen atoms which are around each position of the all B site atoms and are closest to the each position of the all B site atoms in an atom coordinate which is refined by fitting each of signal intensities in the image to each of two-dimensional Gaussian functions, a vector of a line segment connecting a center of mass of the four oxygen atoms and a coordinate of the each position of the all B site atoms is selected and three A site atoms of a first A site atom, a second A site atom and a third A site atom which surround the each position of the all B site atoms and are next to each other are selected, a vector which has a common direction between the core and the shell is selected from a vector of a line segment connecting the first A site atom and the second A site atom and a vector of a line segment connecting the second A site atom and the third A site atom, and an angle between the vector which is selected and a vector of a line segment connecting the each position of the all B site atoms and the center of mass is defined as the direction of atomic displacement between the all B site atoms and the four oxygen atoms.