6.74 g/cm³ Double Side Polished LSAT Optical Substrate - Cubic Crystal Structure 3.868 Å for Epitaxial Thin Films
Price:
Negotiable
MOQ:
1pc
Delivery Time:
3-4 weeks
Brand:
Crystro
Product Description
LSAT Crystal Substrate Overview
LSAT (Lanthanum-Strontium Aluminium Tantalate) is a perovskite structure crystal substrate with twin-free characteristics, offering excellent lattice matching for high-temperature superconductors and oxide materials.
Key Advantages
- Superior lattice match with high Tc superconductors and oxide materials
- Lower melting point enables cost-effective Czochralski growth
- Designed to replace LaAlO3 and SrTiO3 substrates
- Ideal for epitaxial oxide thin films in magnetic, ferro-electronic, and superconductive devices
Physical Properties
| Property | Specification |
|---|---|
| Chemical Formula | (LaAlO3)0.3 (Sr2AlTaO6)0.7 or (La0.18Sr0.82)(Al0.59Ta0.41)O3 |
| Crystal Structure | Cubic: a = 3.868 Å |
| Growth Method | Czochralski |
| Density | 6.74 g/cm³ |
| Melting Point | 1840°C |
| Thermal Expansion | 10 × 10⁻⁶/°C |
| Dielectric Constant | ~22 |
| Color and Appearance | Colorless to light brown based on annealing condition. No twin and domain visible |
Standard Product Specifications
Epi-Polished Substrates
- Orientation: <100> ± 0.5°
- Surface Finish: 1 or 2 sides polished, Ra < 8 Å
- Standard Sizes: 2"-3" diameter × 0.5 mm, 10 × 10 × 0.5 mm, 5 × 5 × 0.5 mm
Special sizes and orientations available upon request
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Company
ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
Location
No. 176, Yuner Rd, Yunhai Rd Industrial Park, Baohe District，Hefei City，Anhui Province
Contact Person
Wu