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New Piezoelectric MaterialsLanthanum Gallium Silicate Know as Langasite Crystal

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New Piezoelectric MaterialsLanthanum Gallium Silicate Know as Langasite Crystal

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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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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 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
Inclusions N0



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lgs crystals

      

lanthanum gallium silicate

      

Crystro Langasite Crystal

      
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