PAM XIAMEN offers La3Ga5SiO14 crystals.
Langasite- La3Ga5SiO14 crystals is a new piezoelecrictric materials with the value of electromechanical coupling coefficient, which is, intermediate between this coefficient of a quartz crystal and that of lithium tantalate.
|Characteristics\Crystals||Quartz, SiO2||Langasite, La3Ga5SiO14||Lithium tetraborate, Li2B2O3||Lithium tantalate, LiTaO3|
|Electromechanical Coupling Factor K2emc, % (BAW)||7||15.8||24||47|
|Frequency Spacing Δf, %||0.25||0.9||4||7|
|Q-factor Q, ×103||100||50||10||2|
|Temperature Frequency Coefficient TFC, ×10-6/°C||0.5||1.6||6||4|
LGS(0,138.5,26.7) Wafer: 10x10x0.5 mm, One Side Polished
LGS(0,138.5,26.7) Wafer: 3″ Dia x 0.5 mm, One Side Polished
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