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BULLETIN OF THE CHINESE CERAMIC SOCIETY ›› 2010, Vol. 29 ›› Issue (1): 98-101.

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Study on the Structure and the SAW Properties of SNGS Piezoelectric Crystal

YANG Hong-wang;LU Gui-wu;LIN Ding-yi;FENG Chao;HUANG Wen-qi;YANG Hong   

  • Online:2010-02-15 Published:2021-01-18

Abstract: The crystal structure, energy band and density of states of Sr_3NbGa_3Si_2O_(14) (SNGS) single crystal was studied, and the phase velocity and electro-mechanical coupling factor of SNGS are calculated for its different cuts. We gained the cut types with good acoustic surface wave (SAW) characteristics, which provides theoretical basis for the SAW application of SNGS piezoelectric crystal.

Key words: SNGS;acoustic surface phase velocity;electro-mechanical coupling factor

CLC Number: