GdScO₃ Wafer (Gadolinium Scandate Wafer)

High-quality rare-earth scandate substrate for advanced oxide epitaxy and strain engineering

 

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Description

🔷 Overview

GdScO₃ (Gadolinium Scandate) wafer is an orthorhombic perovskite single crystal widely used as a substrate for epitaxial growth of complex oxide thin films. It provides excellent lattice matching for perovskite materials and is particularly suitable for strain engineering and high-performance functional oxide devices.

 

🔷 Key Features

• Orthorhombic perovskite crystal structure

• Excellent lattice matching for oxide thin films

• High dielectric constant and thermal stability

• Suitable for strain engineering and epitaxial growth

• Epi-ready surface with ultra-low roughness (< 0.5 nm)

 

 

🔷 Specifications

Product: GdScO3 Wafer
Material property: Crystal structure: Orthorhombic
Lattice constant: a = 5.45 Å, b = 5.75 Å, c = 7.93 Å,                                                         
Melting point: 2120 °C
Dimension:

• 5 × 5 × 0.5 mm

• 10 × 10 × 0.5 mm

• Other sizes customizable

Orientation: <001> / <110> 
Polishing: Single side / double side epi-polished
Surface roughness: < 0.5 nm

 

 

🔷 Applications

• Perovskite oxide thin film growth (e.g. BaTiO₃, SrTiO₃ systems)

• Strain engineering in functional oxides

• Ferroelectric and multiferroic devices

• High-k dielectric research

• Advanced semiconductor and quantum materials

 

 

🔷 Customization Options

• Orientation and off-cut customization

• Thickness and dimension customization

• Double-side polishing (DSP) available

• Epi-ready surface treatment