LSAT

LSAT Single Crystal substrate

Lanthanum Strontium Aluminate Tantalate — LSAT (La0.18Sr0.82)(Al0.59Ta0.41)O3 single crystals exhibit excellent lattice matching with high-temperature superconductors and various oxide materials. They possess high thermal stability, low dielectric loss, and favorable optical properties, making them suitable for a wide range of applications.

For inquiry, please give us the following information:

  1. Size with tolerance (Diameter / Thickness )
  2. Orientation
  3. Polishing Side (SSP or DSP )
  4. Quantity

Typical properties

Crystal Structure Cubic a=3.868Å
Growth Method CZ
Density 6.74 g/cm3
Melt Point 1840 °C
Hardness 6.5 (Mohn)
Thermal Expansion 10 x (10-6/°C)
Dielectric Constant ～22
Color and Appearance
  • Colorless to light brown based on annealing condition
  • No twins and domain visible
Standard size: 5×3 mm, 5×5 mm, 6.35×6.35mm, 10x5mm, 10x10mm, 12.7×12.7mm, 15x15mm, 20x20mm, Dia25.4mm
Thickness: 0.5mm, 1.0mm, or else upon customer’s request
Surface: One side or Both  sides polished
Orientation <100>、<110>、<111>±0.5º
Surface roughness(Ra): <=5A
Packing 100 clean bag，1000 exactly clean bag

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