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LaSrAlO4 (Strontium Lanthanum Aluminate) Crystal Wafers

  • Lower coefficient of thermal expansion than the other perovskite structure crystals
  • Maximum Diameter: 20mm
  • Surface Roughness: Ra < 0.5nm
  • Clean package: 1000 grade clean room and 100 grade bags
  • Orientation of LaSrAlO4 substrates: <001>
  • Applications: high-temperature superconductor (HTSC) YBCO,etc.
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Specifications:

Material LaSrAlO4 crystals Orientation <001>
Orientation Error ±0.5° Maximum Diameter 20mm
Typical Size 5x5, 10x10,φ12.7mm, φ15mm, φ20mm Typical Thickness 0.5mm, 1.0mm
Thickness Tolerance ±0.05mm Size Tolerance ±0.1mm
Surface Finish SSP or DSP Roughness Ra<0.5nm
Cleaness and Package 1000 grade clean room, 100 grade bags

There is no phase transition for LaSrAlO4 crystals from melting temperature to a lower temperature, and it has the same structure with high-temperature superconductor YBCO, but LaSrAlO4 has a lower coefficient of thermal expansion than the other perovskite structure crystals. it can be used to grow films at a lower temperature, and thereby improve the lattice mismatch and reduce stress. 

Hangzhou Shalom EO provides not only the stocked standard epi-ready MgO wafers, but also the custom type wafers upon request.