Abstract
Using the 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3(PZN-7%PT) material parameters at room temperature, the surface acoustic wave propagation characteristics of [001]c poled PZN-7%PT single crystal were calculated. The results show that 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3 single crystals have excellent surface acoustic wave properties compared to traditional piezoelectric materials. It is also found that the SAW properties of 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3 single crystals poled along [001]c strongly depend on the propagation direction. Considering all the related factors about the SAW properties, it is concluded that the Y-cut 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3 single crystals possess superior performance, such as high electromechanical coupling coefficients, low phase velocities and small power flow angles. Therefore, Y-cut 0.93Pb(Zn1/3Nb2/3)O3-0.07PbTiO3 single crystals poled along [001]c is very suitable for ultra-wide bandwidth applications in low-frequency SAW devices.
| Original language | English |
|---|---|
| Pages (from-to) | 1222-1226 and 1253 |
| Journal | Rengong Jingti Xuebao/Journal of Synthetic Crystals |
| Volume | 44 |
| Issue number | 5 |
| State | Published - 1 May 2015 |
Keywords
- 0.93Pb(ZnNb)O-0.07PbTiO
- Electromechanical coupling coefficient
- Surface acoustic wave
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