Lanthanum Aluminate (LaAlO3) Single Crystal Substrate
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Lanthanum Aluminate (LaAlO3) Single Crystal Substrate
Product Overview:
LaAlO3 is a perovskite-structure single crystal. It is one of the most important substrate materials for the epitaxial growth of high-temperature superconducting (HTS) thin films (such as YBCO) and magnetic thin films due to its excellent lattice matching and chemical stability.
Physical Properties:
– Crystal Structure: Rhombohedral (at room temperature); Cubic (> 435°C)
– Lattice Constant (Room Temp): a = 5.357 Angstrom, c = 13.22 Angstrom
– Lattice Constant (High Temp): a = 3.821 Angstrom
– Density: 6.52 g/cm^3
– Melting Point: 2080 °C
– Mohs Hardness: 6.5
– Growth Method: Czochralski (CZ)
– Defects: Twinning exists at room temperature
Standard Specifications:
– Orientation Accuracy: miscut < 0.3° (High precision < 0.1° available upon request)
– Surface Roughness: Ra < 0.5 nm
– Edge Orientation: Available upon request
– Surface Polish: Single-Side or Double-Side Polished
| option | 10 × 10 × 0.5 mm，，Double-Side Polished, 10 × 10 × 0.5 mm，，Single-Side Polished, 2″ dia × 0.5 mm，，Single-Side Polished, 3″ dia × 0.5 mm，，Single-Side Polished, 5 × 5 × 0.5 mm，，Double-Side Polished, 5 × 5 × 0.5 mm，，Single-Side Polished |
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