Mateck Barium Titanate Crystal, BaTiO 3

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Mateck Barium Titanate Crystal, BaTiO₃
Categories:	Ceramic; Oxide; Piezoelectric
Material Notes:	Oxidic single crystals. Two-wave mixing coupling constant. BaTiO3 is a very unique crystal with superior photo-refractive and ferroelectric properties. MaTecK supplies both of substrate grade and photo refractive grade BaTiO3 single crystal with excellent quality and affordable price.
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Physical Properties	Metric	English	Comments

Density	6.02 g/cc	0.217 lb/in³
a Lattice Constant	3.99 Å	3.99 Å
c Lattice Constant	4.04 Å	4.04 Å

Electrical Properties	Metric	English	Comments
Dielectric Constant	60	60	εc, clamped
	135	135	εc, unclamped
	2400	2400	εa, clamped
	3700	3700	εa, unclamped

Thermal Properties	Metric	English	Comments
Melting Point	1600 °C	2910 °F

Optical Properties	Metric	English	Comments
Refractive Index	2.3235 @Wavelength 800 nm	2.3235 @Wavelength 800 nm	ne
	2.363 @Wavelength 633 nm	2.363 @Wavelength 633 nm	ne
	2.3681 @Wavelength 800 nm	2.3681 @Wavelength 800 nm	no
	2.416 @Wavelength 633 nm	2.416 @Wavelength 633 nm	no
	2.4247 @Wavelength 515 nm	2.4247 @Wavelength 515 nm	ne
	2.4921 @Wavelength 515 nm	2.4921 @Wavelength 515 nm	no
Reflection Coefficient, Visible (0-1)	0.50 - 0.70 @Wavelength 515 nm	0.50 - 0.70 @Wavelength 515 nm	Reflectivity of SPPC at 0 deg. Cut
	0.50 - 0.80 @Wavelength 633 nm	0.50 - 0.80 @Wavelength 633 nm	Reflectivity of SPPC at 0 deg. Cut

Descriptive Properties
Absorption loss (cm^-1)	0.005		λ = 800 nm
	0.268		λ = 633 nm
	3.392		λ = 515 nm
Electro Optic Coefficients pm/V	11.7±1.9		rT, 1,3
	112±10		rT, 3,3
	1920±180		rT, 4,2
Growth Techniques	top seeded solution growth
Structure	tetragonal (4m)
Transmission Wavelength (µm)	0.45-6.30

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CMAT035 / 87719

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