| Commodity: | Lithhum Tantalate (LiTaO3),Single Crystal,Single Domain |
| Orientation: | X-cut,112oY |
| Growth Type: | Czochraiski(CZ) |
| Purity: | ¡Ý99.99%(LT/SAW grade) |
| Composition: | Congruent |
| Compositional Uniformity: | 47.88mol%¡À0.41mol% |
| Lattice Parameters(hexagonal): | a=5.154A,c=13.781A |
| Density: | 7.4564/cm3 |
| Hardness(Mohs): | 5.5 |
| Melting Point: | 1650¡æ |
| EL-Mech Coupling Coefficient(k2): | 0.75% |
| Surface Wave Velocity: | 3290m/s |
| Group Delay Time Temp.Coefficient: | 18ppm/¡æ |
LiNb03
| Commodity: | Lithhum Niobate (LiNbO3),Single Crystal,Single Domain |
| Orientation: | 64oY 128oY YZ X |
| Growth Type: | Czochraiski(CZ) |
| Purity: | ¡Ý99.99%(LN/SAW grade) |
| Composition: | Congruent |
| Compositional Uniformity(LiO2): | 48.38mol%¡À0.01mol% |
| Lattice Parameters(hexagonal): | a=5.148A,c=13.863a |
| Density: | 4.64g/cm3 |
| Hardness(Mohs): | 5 |
| Melting Point: | 1253¡æ |
| El-Mech Coupling Coefficient(k2): | 11.30% |
| Surface Wave Velocity: | 4742m/s |
| Group Delay Time Temp.Coefficient: | 70ppm/¡æ |
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¡æ |
| Growth method: | CZ |
| Thermal expansion coefficent: | 7x10-6/¡æ |
| Thermal conductivity(W/(m.K)): | 46.06 AT 0¡æ,25.12 AT 100,12.56 AT 400¡æ |
| 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=1:2¡À0.02 |
| Growth Method: | modified Brigman |
| Purity/Grade: | SAW |
| Lattice Consant: | a=9.479A,c=10.280A |
| Melting Point: | 917¡æ |
| Density: | 2.45g/cm3 |
| Hardness: | 6(Mohs) |
| Relative Dielectric Constant: | ¦ÅT11/¦Å0=8.5,¦ÅT33/¦Å0=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/¡æ): | a11=11.1,a33=3.74 |
| Pyro. Constant: | 3.0x10-5c/m2.K |
| Poling: | none |
| Curie Temperature(Tc): | none |