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Customized Piezoelectric Effect Crystals Langasite La3Ga5SiO14 LGS Crystal

Categories Piezoelectric Effect Crystals
Brand Name: Crystro
Place of Origin: China
MOQ: 1pc
Price: USD 20-200/pc
Payment Terms: T/T, Western Union, MoneyGram, Paypal
Supply Ability: 2000pcs per month
Delivery Time: 4-5 weeks
Packaging Details: Transparent clean box
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    Customized Piezoelectric Effect Crystals Langasite La3Ga5SiO14 LGS Crystal

    Piezoelectric Langasite La3Ga5SiO14 (LGS) Crystal Can be Customized

    Langasite crystal (La3Ga5SiO14,LGS), belonging to the space group P321, point group 32, has been reported to be promising new piezoelectric materials for fabrication of surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices. The devices made of langasite crystal could be used at a high temperature up to 900℃ because of its high thermal stability.

    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

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    lgs crystals

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