Yttria Stabilized Zirconia Crystal Substrate

Yttria Stabilized Zirconia Crystal Substrate Data Sheet

Crystal Structure	Cubic
Lattice Constant	a = 5.147 Å
Melting Point (℃)	2700
Density (g/cm³)	6.0
Hardness (Mohs)	8-8.5
Purity	99.99%
Thermal Expansion Coefficient (/℃)	10.3 × 10⁻⁶
Dielectric Constant (ε)	27
Growth Method	Arc Melting Method

Yttria Stabilized Zirconia Crystal Substrate Description

Yttria stabilized zirconia crystal substrate provides a robust and stable platform for advanced electronic and energy devices. Its exceptional ionic conductivity and resistance to chemical corrosion make it ideal for use in solid oxide fuel cells, oxygen sensors, and other high-temperature electrochemical applications. Unlike polycrystalline ceramics, the single-crystal structure ensures uniform thermal and mechanical properties without grain boundary defects. The addition of yttria not only stabilizes the zirconia phase but also enhances thermal shock resistance, making this substrate a reliable choice for precision systems operating under extreme conditions.

Yttria Stabilized Zirconia Crystal Substrate Specifications

Dimensions	5×5, 10×3, 10×5, 10×10, 15×15, 20×15, 20×20, 25×25, or customized
	dia 2” x 0.33 mm, dia 2” x 0.43 mm, dia 2” x 0.5 mm, or customized
Thickness	0.5 mm, 1.0 mm, or customized
Polishing	Single-sided or double-sided
Crystal Orientation	<001> ± 0.5°
Crystal Plane Orientation Precision	± 0.5°
Edge Orientation Precision	2° (special requirements can be achieved within 1°)
Cutting Angle (Off-Axis Wafers)	Can be custom-processed to specific edge orientation with tilt angles ranging from 1° to 45°
Surface Roughness (Ra)	≤ 5 Å (5 µm × 5 µm)

Yttria Stabilized Zirconia Crystal Substrate Features

• Excellent ionic conductivity: Enables efficient oxygen ion transport, making it ideal for high-temperature electrochemical devices.
• Superior thermal and chemical stability: Remains stable in oxidizing and reducing environments at temperatures above 1000°C.
• No grain boundaries: Single-crystal structure eliminates grain boundary defects, ensuring uniform performance.
• Low thermal expansion mismatch: Compatible with various electrode materials, reducing thermal stress during operation.
• High mechanical strength: Withstands thermal cycling and mechanical loads in demanding environments.

Yttria Stabilized Zirconia Substrate Applications

• Solid oxide fuel cells (SOFCs): Serve as the electrolyte or anode support due to high ionic conductivity and stability.
• Oxygen sensors: Used in automotive and industrial sensors for precise oxygen level detection.
• High-temperature electronics: Acts as a reliable substrate for semiconductors operating under thermal stress.
• Laser and photonic devices: Function as a stable base for optical coatings and laser reflectors.
• Vacuum insulation components: Ideal for use in ultra-high vacuum systems thanks to its low gas permeability.