LiTa03

Commodity: Lithhum Tantalate (LiTaO3),Single Crystal,Single Domain
Orientation: X-cut,112oY
Growth Type: Czochraiski(CZ)
Purity: 99.99%(LT/SAW grade)
Composition: Congruent
Compositional Uniformity: 47.88mol%0.41mol%
Lattice Parameters(hexagonal): a=5.154A,c=13.781A
Density: 7.4564/cm3
Hardness(Mohs): 5.5
Melting Point: 1650
EL-Mech Coupling Coefficient(k2): 0.75%
Surface Wave Velocity: 3290m/s
Group Delay Time Temp.Coefficient: 18ppm/


LiNb03


Commodity: Lithhum Niobate (LiNbO3),Single Crystal,Single Domain
Orientation: 64oY 128oY YZ X
Growth Type: Czochraiski(CZ)
Purity: 99.99%(LN/SAW grade)
Composition: Congruent
Compositional Uniformity(LiO2): 48.38mol%0.01mol%
Lattice Parameters(hexagonal): a=5.148A,c=13.863a
Density: 4.64g/cm3
Hardness(Mohs): 5
Melting Point: 1253
El-Mech Coupling Coefficient(k2): 11.30%
Surface Wave Velocity: 4742m/s
Group Delay Time Temp.Coefficient: 70ppm/


Sapphire Al2O3

Orientation: (1,1,2,0),(0,0,0,1),(1,1,0,2)
Orientation accuracy: +/-0.5o
Purity: 99.99%
Crystal structure: trigonal system,corundum structure
Lattice constant: a=4.758A c=12.991A
Color: collorless
Hardness: 9Mohs
Density: 3.98 grams/cm3
Melting Point: 2030
Growth method: CZ
Thermal expansion coefficent: 7x10-6/
Thermal conductivity(W/(m.K)): 46.06 AT 0,25.12 AT 100,12.56 AT 400
Dielectric constant: ~9.4 at 300K at A axis,~11.58 at 300K at C axis
Loss Tangent at 10 GHz: <2x10-5 at A axis,<2x10-5 at C axis

Li2B4O7

Commodity: Lithium Tetraborate(Li2B4O7)
Composition: Li2O:B2O3=1:20.02
Growth Method: modified Brigman
Purity/Grade: SAW
Lattice Consant: a=9.479A,c=10.280A
Melting Point: 917
Density: 2.45g/cm3
Hardness: 6(Mohs)
Relative Dielectric Constant: T11/0=8.5,T33/0=8.2
Elastic Stiffness Coefficient(x1010N/m2) cE11=13.5,cE12=0.357,cE13=3.35,cE33=5.68,cE44=5.85,cE66=4.67
Piezoelectric Strain Constant(C/m2): e15=0.472,e31=0.290,e33=0.928
Themal Expansion Coefficient(x10-6/): a11=11.1,a33=3.74
Pyro. Constant: 3.0x10-5c/m2.K
Poling: none
Curie Temperature(Tc): none