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| Chemical Formula: | La3Ga5SiO14 | Size: | 30*30*0.3mm |
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| Polish: | Single Side | Orientation: | （0,138.5,117) |
| Growth Method: | Czochralski | Hardness: | 6.6 Moh's |
| Density: | 5.754 G/cm3 | Crystal Structure: | Trigonal System |
| High Light: | La3Ga5SiO14 Single Crystal,Trigonal system Piezoelecrictric Crystal,Trigonal system LGS wafer |
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Lanthanum gallium silicate crystal is referred to as LGS, which is a kind of multifunctional crystal with excellent performance. The dielectric, elastic and piezoelectric constants of LGS crystals are significantly higher than those of quartz, and the electromechanical coupling coefficient is 2 to 3 times that of quartz. It can be used to manufacture surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices. At the same time, LGS crystals can be used to make electro-optical Q switches, and the effect is comparable to DKDP crystal Q switches. The devices using LGS crystal as the material all have higher thermal stability.
| 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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