Magnesium Oxide Single Crystal Substrates (MgO, Purity: >99.95%, Size: 10×10mm, L: 1mm)

Magnesium Oxide Single Crystal Substrates

Introduction:

Magnesium oxide (MgO) is a widely used single crystal substrate known for its excellent physical and chemical properties. With a simple cubic crystal structure, MgO serves as an important substrate in various fields, including materials science, semiconductor technology, and thin film deposition. Its ability to support the growth of high-quality films makes it a critical component in research and industrial applications.

Properties

Crystal Structure: MgO has a face-centered cubic (FCC) structure, which contributes to its mechanical strength and stability.

Lattice Parameter: The lattice constant of MgO is approximately 4.21 Å, allowing for compatibility with various materials, particularly oxides and metals.

Thermal Stability: MgO exhibits high thermal stability, making it suitable for high-temperature processes such as molecular beam epitaxy (MBE) and pulsed laser deposition (PLD).

Dielectric Properties: MgO has favorable dielectric properties, making it useful in electronic applications.

Chemical Inertness: The substrate is chemically stable and resistant to corrosion, which helps maintain the integrity of the thin films deposited on it.

Applications

Thin Film Growth: MgO is commonly used for the epitaxial growth of various thin films, including high-temperature superconductors, ferroelectrics, and magnetic materials.

Heterostructures: It serves as a substrate for fabricating complex oxide heterostructures, enabling the exploration of interface phenomena and novel electronic properties.

Semiconductor Devices: MgO is utilized in the development of semiconductor devices, particularly in the growth of oxide semiconductors and as a dielectric layer.

Photonic Applications: The optical transparency of MgO in the visible range makes it suitable for photonic devices, including waveguides and laser applications.

Catalysis and Chemical Reactions: MgO substrates are also employed in catalysis, serving as supports for catalysts in various chemical processes.