Table 1.
Material | Chemical Formula | |
---|---|---|
Natural | α-quartz | SiO2 |
β-quartz | SiO2 | |
Tourmaline | (Na, Ca)(Mg, Fe)3B3Al6Si6(O, OH, F)31 | |
Synthetic | CGG | Ca3Ga2Ge4O14 |
Lithium niobate | LiNbO3 | |
Lithium tantalate | LiTaO3 | |
Aluminum nitride | AlN | |
Lead zirconate titanate | PZT |