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Stock List Crystals & Substrates
Stock List Targets
Aluminium & Magnesium Oxide / Spinell( 1 Al2O3* 1 MgO or 3,5 Al2O3* 1 MgO )
Crystal properties
Crystal growth method
CZ, Flame fusion (3,5 : 1)
Crystal growth orientation
(100), (110), (111)
2 inch diameter
Variations
Dopands on request
Crystallographic structure
Cubic: a = 8.10 Å
Mineralogical
Spinell
Twinning structure
domaine structure
Colour
Colourless
Density
3.61 g/cm3
Melting point
1950 °C
Hardness
8 (Mohs)
Dielectric constan
8 - 9
Dielectric loss tangent (10 GHz
ca. 3.0 * 10_5
Specific resistivity
ca. 1014 W/ cm
Dielectric loss tangent (10GHz).
3.0 * 10_5 8.6 * 10_5
|| c-axis.^ c-axis.
RT.RT.
Dielectric constant
1016 W/cm
RT
Transmission range
0.2 to 6.0 mm
Refraction index
nd = 1.727
at 500 nm
Dispersion
0.012
Standard orientations
Orientation:
(001), (111), (110)
Other orientations on request
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