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| Name: | Lanthanum Gallium Silicate (LGS) | Chemical Formula: | La3Ga5SiO14 |
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| Growth Method: | Czochralski | Hardness: | 6.6 Moh's |
| Density: | 5.754 G/cm3 | Melt Point: | 1470℃ |
| Thermal-expansion Coefficient: | α 11=5.10 α 33=3.61 | Acoustic Velocity, SAW: | 2400 ( M/sec ) |
| Frequency Constant, BAW: | 1380 ( KHz/mm ) | Temperature Frequency Coefficient: | 1.6х10-5 |
| High Light: | La3Ga5SiO14 Piezoelectric Crystal Material,5.754 g/cm3 LGS Piezoelectric Crystal Material,La3Ga5SiO14 Piezoelectric LGS Crystal |
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Langasite - Lanthanum Gallium Silicate.it is a new and excellent piezoelectric crystal for BAW and SAW devices due to its excellent spectroscopic and acoustic characteristics.LGS also can be used as an electro-optic crystal. The electro-optic Q-switch made by LGS is actually a new kind of rotation-electro-optical Q-switch. Because of the effect of optical rotation, it can be used as a practical switch and a good Q-modulation result can be obtained.
| Crystal Structure | regional system, group 33 a= 8.1783 c = 5.1014 |
| Growth Method | Czochralski |
| Hardness | 6.6 Moh's |
| Density | 5.754 g/cm3 |
| Melt Point | 1470 o C ( phase transition point: N/A) |
| Thermal expansion (x10-6/ oC) | α 11: 5.10 α 33: 3.61 |
| Acoustic velocity, SAW | 2400 ( m/sec ) |
| Frequency constant, BAW | 1380 ( kHz/mm ) |
| Piezoelectric coupling | K2 (%) BAW: 2.21 SAW: 0.3 |
| Dielectric Constant | ε11/ε0=18.27 ε33/ε0=56.26 |
| Piezoelectric Strain Constant | d11=6.3 d14=5.4 |
| Inclusions | N0 |
Contact Person: Zheng
Tel: +86 18255496761
Fax: 86-551-63840588
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