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| Chemical Formula: | La3Ga5SiO14 | Dimensions: | 30*30*0.5mm |
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| Orientation: | （0,138.5,26.7) | Polish: | One Side Polished |
| Growth Method: | Czochralski | Crystal Structure: | Trigonal System |
| Hardness: | 6.6 Moh's | Density: | 5.754 G/cm3 |
| High Light: | 30mm LGS Crystal,Customized LGS Crystal,30mm Langasite Crystal |
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The lanthanum gallium silicate (La3Ga5SiO14, LGS) piezoelectric crystal belongs to the trigonal crystal system, 32 point group, P321 space group, and has been a hot spot in the field of piezoelectric crystal research for the past two decades. This crystal has 2 to 3 times the electromechanical properties of quartz. Coupling coefficient, good temperature stability, and excellent piezoelectric properties, especially high-temperature piezoelectric properties. Due to its excellent piezoelectric properties, it can be used to make all kinds of piezoelectric devices.
| 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: Chen Dongdong
Tel: +86 18326013523
Fax: 86-551-63840588
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