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