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Mateck Lanthanum Aluminate Substrate, LaAlO3 rhombohedral

Category Ceramic , Oxide , Aluminum Oxide
Manufacturer Mateck GmbH
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Mateck Lanthanum Aluminate Substrate, LaAlO3 rhombohedral.pdf
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Material Notes:
Substrate single crystals for superconductivity
Physical Properties Metric English Comments
Density 6.51 g/cc
0.235 lb/in³
a Lattice Constant 3.79 Ã…
3.79 Ã…
c Lattice Constant 13.11 Ã…
13.11 Ã…
Thermal Properties Metric English Comments
CTE, linear 10.0 µm/m-°C
5.56 µin/in-°F
Melting Point 2180 °C
3960 °F
Electrical Properties Metric English Comments
Dielectric Constant 20 - 25
20 - 25
24.5
24.5
Descriptive Properties Value Comments
Growth Techniques Czochralski
Orientation (100)
Orientation Accuracy ( ° ), Max 0.5
Parallelness ( ° ), max 0.02
Phase Transition Temperature (K) min 500
Polishing standard: one side
Production Method sim. Verneuill grown (with minimum twins)
Roughness of surface (angstroms), max 150
Scratches none
Standard Size (mm) 10 x 10 x 1 or 0.5
State monocrystalline
Structure rhombohedral
Surface Quality with light microscope without defects
Tolerance of Length (mm) ± 0.05
Tolerance of Thickness (mm) ± 0.02
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