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New Piezoelectric MaterialsLanthanum Gallium Silicate Know as Langasite Crystal

Categories Piezoelectric Effect Crystals
Brand Name: Crystro
Place of Origin: China
MOQ: 1pc
Price: Negotiable
Payment Terms: T/T, Western Union, MoneyGram, Paypal
Supply Ability: 2000pcs per month
Delivery Time: 2-4 weeks
Packaging Details: Transparent clean box
Model Number: CR20200107-4
Certification: SGS
Type: Rod/Flats
Polish: S/D 20/10 10/5
Length: Up To 70mm
Diameter: Up to 70mm
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    New Piezoelectric MaterialsLanthanum Gallium Silicate Know as Langasite Crystal

    Lanthanum Gallium Silicate ( La2Ga5SiO14 ) Also Know as Langasite or LGS Crystal

    Lanthanum gallium silicate ( La2Ga5SiO14 ) is a phenomenal invention. Though langasite was initially developed as a laser crystal, it revealed a remarkable combination of piezoelectric qualities, which opened up new opportunities to use the LGS crystal in radio frequency devices. The main applications of langasite crystals now is SAW filters and SAW resonators. Experts agree that LGS is the best choice for high-efficiency broad band frequency devices because it possesses exceptional frequency-temperature characteristics, a very high index of electromechanical coupling and un unparalleled Q-factor.


    Main Properties:

    Crystal Structurerigonal system, group 33 a= 8.1783 c = 5.1014
    Growth MethodCzochralski
    Hardness6.6 Moh's
    Density5.754 g/cm3
    Melt Point1470 o C ( phase transition point: N/A)
    Thermal expansion (x10-6/ oC)α 11: 5.10 α 33: 3.61
    Acoustic velocity, SAW2400 ( m/sec )
    Frequency constant, BAW1380 ( kHz/mm )
    Piezoelectric couplingK2 (%) BAW: 2.21 SAW: 0.3
    InclusionsN0


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