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Abstract:
首先简单叙述了用布里渊散射(Brillouin Scattering)测量晶体的弹性系数和压电系数的方法,并测得了国内首次生长出来的无芯Li_2B_4O_7单晶的全部弹性系数和压电系数,同时指出,该晶体在(100)晶面内声波传播沿[0,0,1]方向最慢,为5164m/s;沿[0,3~(1/2)/2,1/2]方向最快,为7505m/s,沿[1,0,0]和[0,1,0]方向声波传播速度为7087m/s。
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Source :
北京工业大学学报
Year: 1992
Issue: 01
Page: 23-29,37
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1