LGS Langasite (La3Ga5SiO14) Single Crystal Substrate
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Langasite (La3Ga5SiO14) Single Crystal Substrate
Product Overview:
Langasite (LGS) crystal belongs to the trigonal system. It possesses excellent high-temperature stability (no phase transition from room temperature up to its melting point), good piezoelectric properties, and low acoustic wave propagation loss. It is widely used in Surface Acoustic Wave (SAW) devices, Bulk Acoustic Wave (BAW) devices, and electro-optic Q-switches.
Physical Properties:
– Crystal Structure: Trigonal System
– Lattice Constant: a = 8.170 Angstrom, c = 5.099 Angstrom
– Density: 5.754 g/cm^3
– Melting Point: 1470 °C
– Mohs Hardness: 6.6
– Dielectric Constant: ε11/ε0 = 19.2; ε33/ε0 = 50.7
– Piezoelectric Constant: e11 = 0.43; e22 = 0.1039
– Growth Method: Czochralski (CZ)
Standard Specifications:
– Orientation Accuracy: miscut < 0.5°
– Edge Orientation: Available upon request
– Surface Polish: Single-Side or Double-Side Polished
| option | 10 × 10 × 0.5 mm，，Double-Side Polished, 10 × 10 × 0.5 mm，，Single-Side Polished |
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