Aluminum barium calcium oxide
[CAS# 99035-55-9]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Oxides and peroxides >> Metal oxide
• Name: Aluminum barium calcium oxide
• Synonyms: Aluminum oxide-tech; Barium calcium aluminate
• Molecular Formula: AlBaCaH₂O
• Molecular Weight: 222.40
• CAS Registry Number: 99035-55-9
• EC Number: 308-921-2
• SMILES: O.[Al].[Ca].[Ba]

Discovory and Applicatios

Aluminum barium calcium oxide is a compound oxide material composed of aluminum (Al), barium (Ba), calcium (Ca), and oxygen (O). It is not a single defined compound with a fixed stoichiometry, but rather represents a class of multi-component oxide materials in which these elements are present in various ratios. Such oxides are primarily studied and applied in the fields of ceramics, materials science, and solid-state chemistry.

The discovery and utilization of multi-component oxides like aluminum barium calcium oxide are rooted in developments in ceramic technology and materials engineering during the 20th century. Research in this area has largely focused on designing advanced materials with specific physical or electronic properties by combining different metal oxides. These include applications in electronics, catalysis, and structural ceramics.

The inclusion of aluminum oxide (Al₂O₃) in such materials contributes mechanical strength, high melting point, and excellent chemical stability. Aluminum oxide is widely known for its use in ceramics, abrasives, and refractories. Barium oxide (BaO), on the other hand, is often used in glass and ceramic applications due to its ability to enhance refractive index, reduce melting temperature, and improve chemical durability. Calcium oxide (CaO), commonly known as quicklime, contributes thermal stability and is often used as a fluxing agent in the production of ceramics and glass.

When combined, these oxides can form complex solid solutions or crystalline phases with unique properties. For example, in the development of advanced dielectric ceramics used in capacitors, such combinations have been explored for their potential to yield stable dielectric constants and low dielectric losses. In such applications, precise control over composition and processing conditions is necessary to achieve the desired phase and microstructure.

In glass-ceramic materials, aluminum barium calcium oxide systems have been investigated for their mechanical strength, thermal expansion behavior, and chemical resistance. The presence of barium can improve glass-forming ability, while aluminum and calcium oxides influence the crystallization process and mechanical properties. These materials can be used in environments requiring resistance to thermal shock or chemical corrosion, such as substrates for electronics or protective coatings.

Another area of research involving aluminum barium calcium oxide systems is in catalysis. Mixed metal oxides containing these elements have been studied for their catalytic activity in oxidation reactions, including the treatment of exhaust gases and industrial emissions. The specific arrangement of metal cations and oxygen anions within the lattice can influence the material’s redox properties, surface area, and thermal stability, all of which are important in catalytic performance.

In the context of high-temperature superconductors, certain complex oxide systems that include barium, calcium, and copper with other elements (though not typically aluminum) have played critical roles. While aluminum barium calcium oxide itself is not associated with superconductivity, the understanding of multi-cation oxides has contributed to broader developments in the field.

In structural ceramic applications, materials incorporating aluminum barium calcium oxide components are used for their hardness, wear resistance, and thermal properties. These ceramics are suitable for demanding environments such as engine components, industrial cutting tools, and refractory linings. Their performance depends on factors such as grain size, phase composition, and sintering conditions.

Synthesis of these materials typically involves solid-state reactions or sol-gel methods, followed by high-temperature calcination and sintering to form the desired phases. Characterization techniques such as X-ray diffraction, scanning electron microscopy, and thermal analysis are used to evaluate the structure and properties of the resulting materials.

Overall, aluminum barium calcium oxide refers to a category of engineered materials developed for their functional and structural properties across a range of high-performance applications. Its role in modern materials science exemplifies the importance of multi-component oxide systems in designing materials with tailored physical and chemical characteristics.