Langatate
La3Ga5.5Ta0.5O14
Chemical name
Langatate |
Chemical formula
La3Ga5.5Ta0.5O14 |
Melting point [°C]
1450 |
Crystal system
hexagonal/ trigonal |
Space Group
P321 |
Mohs hardness
6.5 |
Density [g/cm3]
6.31 |
Piezoelectric crystals
|
Q(m)
50 |
K (rel. dielectr. const.) = ε(T33)/ε(0)
80.3 |
Piezoelectric charge constant
-d(11)=6.5; d(14)=4.7 |
Piezoelectric voltage constant
-g(11)=38; g(14)=27.7 |
Young's modulus
Y^E(11)=11; Y^E(33)=19 |
Frequency constants; L=longit. mode, T=thickn. mode
N(L)=2870; N(T)=1320 |
Elastic compliance [10^(-12) m^2/N]
S^E(11)=9.0; S^E(33)=5.2 |
Crystal growth method
Czochralski |