Bismuth Iron Titanium Oxide

Bismuth Iron Titanium Oxide powder is a multi-element composite metal oxide powder material consisting of the elements of bismuth (Bi), iron (Fe), titanium (Ti), and oxygen (O), with unique physical, chemical, and electrical properties, and has potential applications in electronics, optics, magnetism, and many other fields.

Characteristics

Appearance: Bismuth Iron Titanium Oxide powder is usually black or dark grey.

Density: Bismuth Iron Titanium Oxide has a relatively high theoretical density of approximately 6.82 g/cm3 (similar to that of bismuth selenide Bi₂Se₃).
Crystal structure: rhombohedral.

Melting point: Bismuth Iron Titanium Oxide has a high melting point, above 700°C (the exact value may vary slightly depending on the purity of the material and the preparation method).
Solubility: insoluble in alkali, easily decomposed by strong oxidising acids such as concentrated acid and aqua regia.

Semiconductor properties: Bismuth Iron Titanium Oxide is an important semiconductor material with a certain energy band structure and carrier concentration, which makes it potentially useful in electronic devices. Its forbidden band width and other electrical parameters will affect the material’s electrical conductivity and photoelectric properties.

Thermoelectric properties: as a thermoelectric material, it has a high thermoelectric conversion efficiency. Under a certain temperature gradient, it can effectively convert thermal energy into electrical energy, or generate temperature difference through electric current, which can be applied in the fields of thermoelectric power generation and thermoelectric refrigeration.

Applications

Thermoelectric field:
Thermoelectric conversion material: Bismuth Iron Titanium Oxide can be used to manufacture thermoelectric conversion devices, which can directly convert heat energy into electricity, for example, it can be applied in industrial waste heat recovery, solar thermal power generation and other systems to improve the efficiency of energy use. Its unique crystal structure and electronic properties make it have better thermoelectric properties under different temperature gradients, which can effectively realise the conversion between heat and electricity.
Thermoelectric refrigeration material: It can also be used for thermoelectric refrigeration, where a temperature difference is generated by applying an electric current to achieve a cooling effect. Compared with the traditional refrigeration technology, thermoelectric refrigeration has the advantages of no vibration, no noise, small size, high reliability, etc. It can be applied to small electronic equipment, medical instruments, aerospace and other fields with high requirements for refrigeration.

Semiconductor devices: Bismuth Iron Titanium Oxide, as a semiconductor material, can be used to prepare a variety of semiconductor devices, such as field effect transistors, diodes and so on. Its semiconductor properties can be regulated by adjusting the composition and preparation process to meet the performance requirements of different devices.

Spintronics devices: due to the special electronic structure and spin properties, they have potential applications in the field of spintronics. Spintronics is a technology that uses the spin degrees of freedom of electrons for information processing and storage. Bismuth antimony selenide powder can be used as a key material in spintronics devices for the transmission and control of spin-polarised currents.

Quantum computing: In the field of quantum computing, there is a high demand for quantum properties of materials. The topological insulator properties of bismuth antimony selenide make it one of the potential candidate materials for quantum computing, and it is expected to be used to build key components such as quantum bits.
Optical field:

Photodetectors: Bismuth Iron Titanium Oxide can be used to prepare photodetectors with high sensitivity and response speed to light of specific wavelengths. For example, in the field of infrared light detection, bismuth antimony selenide powder can be used as a sensitive material to convert optical signals into electrical signals to achieve the detection of infrared light.

Optical Coating: It can be used as an optical coating material to improve the performance of optical devices. For example, coating bismuth antimony selenide on the surface of optical elements such as lenses and mirrors can improve their anti-reflective properties, increase the transmittance or change the polarisation characteristics of light.

Catalytic field: Its unique surface properties and electronic structure make it catalytic activity in some chemical reactions. For example, in some organic synthesis reactions, energy conversion reactions, etc., bismuth antimony selenide powder can be used as a catalyst to reduce the activation energy of the reaction and improve the reaction rate and selectivity.

Research field: Because of its unique physical and chemical properties, it is an important research object in the fields of materials science and condensed matter physics. Through the study of bismuth antimony selenide powder, scientists can gain an in-depth understanding of the basic principles of topological insulators, semiconductor physics, quantum phenomena, etc., and provide a theoretical basis for the development of new materials and devices.