SrTiO3 Substrate
High temperature superconducting
Category：
key word：
Scintillator | Scintillation Array | Scintillator Detector | Single crystal substrate | Acousto Optic Sensor
Product Detail
| Crystal Structure | Cubic, a=3.905 A |
| Growth Method | Vernuil |
| Density（g/cm3） | 5.175 |
| Melting Point（℃） | 2080 |
| Hardness (Mho) | 6 |
| Thermal Expansion | 10.4 (x10-6/ ℃) |
| Dielectric Constant | ~ 300 |
| Loss Tangent at 10 GHz | ~5x10-4 @ 300K , ~3 x10-4 @77K |
| Color and Appearance | Transparent (sometimes slightly brown based on annealing condition).No twins |
| Chemical Stability | Insoluble in water |
SrTiO3 Substrate Definition
The SrTiO3 substrate refers to a crystalline substrate made of the compound strontium titanate (SrTiO3). SrTiO3 is a perovskite material with a cubic crystal structure, which is characterized by a high dielectric constant, high thermal stability, and good lattice matching with many other materials.
SrTiO3 substrates are widely used in the fields of thin film deposition and epitaxial growth. The cubic structure of SrTiO3 allows the growth of high-quality thin films with excellent crystalline quality and low defect density. This makes SrTiO3 substrates very suitable for growing epitaxial films and heterostructures for various applications.
The high dielectric constant of SrTiO3 makes it suitable for applications such as capacitors, memory devices, and ferroelectric thin films. Its thermal stability makes it suitable for high temperature applications.
Furthermore, the diverse properties of SrTiO3, such as its metallic conductivity at low temperatures and the possibility of inducing a superconducting state, make it useful for condensed matter physics research and the development of electronic and optoelectronic devices.
In summary, SrTiO3 substrates are crystalline substrates made of strontium titanate, which are commonly used in thin film deposition, epitaxial growth, and a wide range of electronic and optoelectronic applications due to their high dielectric constant, thermal stability, and good lattice matching properties.
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