Mg Substrate Magnesium single crystal hexagonal 5x5x0.5/1mm 10x10x0.5/1mm20x20x0.5/1mm purity 99.99%
Mg Substrate's abstract
Single-crystal magnesium (Mg) wafers with high crystallographic purity and hexagonal lattice structures are becoming increasingly important in material science, particularly for applications requiring lightweight yet highly conductive materials. These wafers are precisely oriented along axes such as <0001>, <11-20>, <10-10>, and <1-102> to support specific surface studies, including epitaxy and thin film development. With a purity level of 99.99% and offered in sizes of 5x5x0.5 mm, 10x10x1 mm, and 20x20x1 mm, these substrates provide superior material consistency and integrity. Their high purity and orientation make them suitable for a variety of research applications, including those in surface physics, semiconductor fabrication, and advanced coating technologies. The hexagonal structure of the magnesium crystal allows for enhanced control over experimental parameters, making these wafers indispensable for precision-driven research in both academic and industrial settings. The use of Mg single crystal wafers is paving the way for innovations in fields requiring high-performance materials.
Mg Substrate's photo
Mg Substrate's properties
Magnesium (Mg) single crystal wafers, with a hexagonal crystalline structure, exhibit several unique properties that make them suitable for advanced research and industrial applications. The crystallographic orientation of these wafers, such as <0001>, <11-20>, <10-10>, and <1-102>, significantly influences their physical and chemical properties. Mg wafers are highly appreciated for their lightweight nature, as magnesium is one of the lightest structural metals, which makes them advantageous for applications requiring reduced weight without compromising strength. Furthermore, the thermal conductivity of these wafers is excellent, allowing for efficient heat dissipation in electronics and thin-film applications.
The purity level of 99.99% ensures minimal impurities, providing a high degree of uniformity and stability in experimental conditions. This makes them ideal substrates for epitaxial growth, where precision and material integrity are paramount. The wafer dimensions, available in 5x5x0.5 mm, 10x10x0.5 mm, and 20x20x0.5 mm sizes, offer flexibility for various experimental setups. The hexagonal crystal structure is particularly beneficial in research fields such as surface physics, optoelectronics, and nanotechnology, as it supports unique electronic and optical properties.
Moreover, Mg wafers are highly resistant to corrosion, which enhances their durability in harsh environmental conditions, and their mechanical properties, such as high strength-to-weight ratio, make them suitable for lightweight structural applications. This combination of purity, crystallographic orientation, and material properties make magnesium single crystal wafers a versatile and valuable material for scientific exploration and industrial uses.
| Main Parameters of Magnesium Single Crystal Substrates |
| Material | Mg |
| CAS# | 7439-95-4 |
| Purity | 99.99% (4N) |
| Crystal structure | Cubic |
| Unit cell constant | a = 3.20936 Å, c = 5.21112 Å |
| Melt point | 649 ºC |
| Density | 1.738 g/cm3 |
| Thermal expansion | 26.1 x 10-6 K-1 |
| Sizes | 5 mm x 5 mm x 0.5 mm 10 mm x 10 mm x 0.5 mm |
| other sizes are available upon request |
| Surface polishing | Single side polished is standard, Double side polished upon request |
| Crystal orientations | (0001), (11-20), (10-10), (1-102) |
| Surface roughness, Ra | < 10 nm |
| Package | Sealed in class 100 clean bags packed in class 1000 clean room |
| Storage | Please keep it in dry environment |
Mg Substrate's applications
Magnesium (Mg) substrates, particularly those made from single-crystal magnesium, have a wide range of applications across various scientific and industrial fields due to their unique properties such as light weight, high thermal conductivity, and specific crystallographic orientations. Below are some of the key applications of Mg substrates:
1. Epitaxial Growth and Thin Film Deposition
Mg substrates are commonly used in epitaxial growth, where thin layers of materials are deposited on a crystalline substrate. The precise orientation of Mg substrates, such as <0001>, <11-20>, and <1-102>, allows for controlled growth of thin films with matching lattice structures. This is essential in semiconductor fabrication, optoelectronics, and advanced coating technologies, where the quality of the thin film is crucial to the device's performance.
2. Optoelectronics
Magnesium substrates, due to their lightweight nature and optical properties, play a significant role in optoelectronic devices. Their high thermal conductivity and low density make them suitable for applications such as LED production, photovoltaic cells, and other light-emitting or light-sensing devices where heat dissipation and material weight are important considerations.
3. Corrosion Resistance Studies
Mg substrates are used in corrosion resistance research to study surface reactions and protective coatings. The corrosion behavior of magnesium is of particular interest in industries such as aerospace and automotive, where reducing material weight while maintaining durability is a priority. These substrates help researchers develop and test protective coatings that can enhance the corrosion resistance of magnesium alloys.
4. Nanotechnology and Surface Physics
In nanotechnology, Mg substrates are often employed for their stable surface properties and ability to support various types of nanostructures. These substrates are ideal for growing nanoparticles, nanowires, and other nanostructures due to their crystalline uniformity and low defect rates, which are essential for high-precision experiments and devices.
5. Power Electronics and Heat Sinks
The excellent thermal conductivity of magnesium makes it suitable for power electronics applications where efficient heat dissipation is required. Mg substrates can be used in components like heat sinks, which manage heat in high-performance electronic devices such as CPUs, GPUs, and power converters, ensuring that the systems maintain optimal performance without overheating.
6. Biomedical Devices
Magnesium is also gaining interest in the biomedical field due to its biocompatibility and biodegradability. Mg substrates are being explored for use in medical implants, especially in the development of temporary implants that gradually degrade and are absorbed by the body. Their lightweight, non-toxic nature and mechanical properties make them suitable for bone fixation devices and other biomedical applications.
7. Aerospace and Automotive Industries
Given magnesium's light weight and high strength-to-weight ratio, Mg substrates are also used in research aimed at developing lightweight materials for aerospace and automotive applications. In these industries, reducing the weight of components while maintaining strength and resistance to environmental factors like corrosion is a major goal.
8. High-Performance Coatings
Mg substrates provide an excellent base for testing and applying high-performance coatings, especially in applications where corrosion resistance and mechanical durability are essential. These coatings can be used in harsh environments, such as marine and aerospace industries, where materials are subjected to extreme conditions.
In summary, Mg substrates serve as essential components in fields such as epitaxy, optoelectronics, nanotechnology, power electronics, corrosion resistance, and biomedical devices due to their lightweight, high thermal conductivity, and well-defined crystallographic structures.
Q&A
Q:What is the substrate of a wafer?
A:A wafer is a thin, round slice of material, usually made of silicon, that serves as a platform for the fabrication of electronic devices. A substrate is a material that serves as a base for the deposition of another material, such as a thin film or a semiconductor material.
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Mg Substrate Magnesium Single Crystal Hexagonal 5x5x0.5/1mm 10x10x0.5/1mm20x20x0.5/1mm Purity 99.99% Images
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