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| Product Name: | Lanthanum Gallium Silicate (LGS) | Chemical Formula: | La3Ga5SiO14 |
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| Dimension: | Dia 2" X 0.5mm | Orientation: | （0，138.5，26.3） |
| Polish: | One Side Polished | Growth Method: | Czochralski |
| Hardness: | 6.6 Moh's | Density: | 5.754 G/cm3 |
| Melt Point: | 1470℃ | ||
| High Light: | Langasite Single Crystal,One Side Polished LGS Crystal,One Side Polished Langasite Crystal |
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The gallium lanthanum series materials such as La3Ga5SiO14 (LGS) have the characteristics of low surface acoustic wave velocity and large electromechanical coupling coefficient, which are conducive to the miniaturization of the prepared devices. In addition, this type of crystal has a high melting point and is relatively stable at high temperatures, and can be used to prepare high-temperature sensors and filters.
| Crystal Structure | rigonal 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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