Lanthanum Aluminate Crystal Substrate

Data sheet

Density	6.52 g/cm3
Melting Piont	2080℃
Molecular Formula	LaAlO3

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Lanthanum Aluminate (LaAlO3) Crystal Substrate is a high-quality perovskite material with excellent lattice matching, making it an ideal choice for epitaxial growth of high-temperature superconducting films and magnetoresistive thin films. Its superior dielectric properties enable applications in low-loss microwave components and dielectric resonators. With good thermal and mechanical stability, LaAlO3 substrates support advanced electronic and optical applications requiring precise lattice compatibility. Heeger Materials provides high-quality Lanthanum Aluminate Crystal Substrate with reliable performance for demanding applications.

Lanthanum Aluminate Crystal Substrate | LaAlO3 Substrate

Lanthanum Aluminate Crystal Substrate Properties

Crystal System	Hexagonal (at room temperature), Cubic (above 435℃)
Lattice Constants	Hexagonal: a = 5.357 Å, c = 13.22 Å; Cubic: a = 3.821 Å
Melting Point	2080℃
Density	6.52 g/cm³
Hardness	6–6.5 Mohs
Thermal Expansion Coefficient	9.4 × 10⁻⁶ /℃
Dielectric Constant	ε = 21
Loss Tangent (10 GHz)	~3 × 10⁻⁴ @ 300 K, ~0.6 × 10⁻⁴ @ 77 K
Color and Appearance	Varies with annealing conditions, from brown-yellow to brown; polished substrates exhibit natural twin domains
Chemical Stability	Insoluble in mineral acids at room temperature; soluble in H₃PO₄ above 150℃
Features	Suitable for microwave electronic devices
Growth Method	Czochralski Method (Pulling)

Lanthanum Aluminate Crystal Substrate Specifications

Dimensions	10×3 mm, 5×5 mm, 10×5 mm, 10×10 mm, 15×15 mm, 20×15 mm, 20×20 mm, 25×25 mm
Dimensions	Ф15, Ф20, Ф1″, Ф2″, Ф2.6,Ф3″
Thickness	0.5 mm, 1.0 mm
Polishing	Single-side or double-side polishing
Crystal Orientation	<100>, <110>, <111>
Crystal Plane Accuracy	±0.5°
Edge Orientation Accuracy	2° (special requirements can achieve <1°)
Inclined Wafers	Customizable; crystal planes oriented at specific edge angles from 1°–45°
Surface Roughness (Ra)	≤5 Å (5 µm × 5 µm)

Lanthanum Aluminate Crystal Substrate Applications

High-Temperature Superconducting Films: Ideal for epitaxial growth of superconducting thin films like YBCO for advanced electronic applications.
Magnetoresistive Thin Films: Used in spintronics and magnetic sensor applications due to its excellent lattice matching.
Microwave Components: Suitable for low-loss microwave resonators and filters in communication systems.
Dielectric Resonators: Applied in high-frequency electronic devices requiring stable dielectric properties.
Perovskite Oxide Research: Serves as a substrate for studying novel perovskite-based materials in condensed matter physics.

Lanthanum Aluminate Crystal Substrate Packing And Shipping

Lanthanum Aluminate (LaAlO3) Crystal Substrate will be securely packaged in sturdy containers with cushioning materials to prevent movement or damage during shipping. This careful packaging ensures that the product arrives in perfect condition, maintaining its high-quality standards throughout the delivery process.

Where to Buy Lanthanum Aluminate Crystal Substrate in Bulk?

Heeger Materials Inc., a professional supplier and manufacturer of high-quality High-temperature Superconducting Thin Film Substrates products including Lanthanum Aluminate (LaAlO3) Crystal Substrate, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors.

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