Surface acoustic wave velocity in single-crystal AIN substrates

被引:77
作者
Bu, G [1 ]
Ciplys, D
Shur, M
Schowalter, LJ
Schujman, S
Gaska, R
机构
[1] Rensselaer Polytech Inst, Dept Elect Comp & Syst Engn, Troy, NY 12180 USA
[2] Vilnius Univ, Dept Radiophys, LT-2040 Vilnius, Lithuania
[3] Crystal IS Inc, Latham, NY 12210 USA
[4] Sensor Elect Technol Inc, Columbia, SC 29209 USA
基金
美国国家航空航天局;
关键词
D O I
10.1109/TUFFC.2006.1588412
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
The surface acoustic wave velocity has been measured on a-plane (c-propagation) and c-plane oriented bulk aluminum nitride (AIN) single crystals using the S-11-parameter method in the frequency range 160-360 MHz. The SAW velocity is 5760 m/s for both orientations. From comparison of this value with the simulations using various elastic constants of AIN available in literature, we estimated the elastic constant C-44 to be 122 +/- 1 GPa.
引用
收藏
页码:251 / 254
页数:4
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