以最根本的铌酸锂晶体晶胞结构为出发点对铌酸锂晶体的声学、光学以及声光性质进行了推导和描述。
Based upon the study of the unit cell structure of LN, the acoustic property and the optical property and the acoustooptic property are analyzed and presented.
同时，随着Y3 +取代的增加，晶胞常数减小，介电性能随结构的变化而呈现有规律的变化。
Simultaneously with increasing of Y3 + substitution, crystal cell constant was minished. The dielectric properties were changed regularly with the change of structure.
通过XRD测定了它的晶格结构和晶胞参数。
Its crystal lattice structure and parameters were tested by XRD.
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