517011

Strontium titanate

nanopowder, <100 nm particle size, 99% trace metals basis

• Synonym(s): Strontium metatitanate, Strontium titanium trioxide
• Linear Formula: SrTiO₃
• CAS Number: 12060-59-2
• Molecular Weight: 183.49
• EC Number: 235-044-1
• MDL number: MFCD00049554
• UNSPSC Code: 12352302
• PubChem Substance ID: 24873915
• NACRES: NA.23

Properties

• Quality Level: 100
• Assay: 99% trace metals basis
• form: nanopowder
• dielectric constant: 300
• reaction suitability: reagent type: catalyst; core: titanium
• particle size: <100 nm
• mp: 2060 °C (lit.)
• density: 4.81 g/mL at 25 °C (lit.)
• SMILES string: [Sr++].[O-][Ti]([O-])=O
• InChI: 1S/3O.Sr.Ti/q;2*-1;+2;
• InChI key: VEALVRVVWBQVSL-UHFFFAOYSA-N

Description

General description

Strontium titanate (SrTiO₃) is a crystalline oxide material known for its perovskite structure. It exhibits a high dielectric constant and is considered a promising material for various electronic applications. Strontium titanate has a density of 4.81 g/mL at 25 °C (lit.) and a melting point of about 2060°C. This compound is widely used in the production of capacitors, insulators, and piezoelectric devices due to its excellent dielectric properties. Additionally, strontium titanate is employed in the fabrication of thin films for advanced electronic devices, including transistors and sensors. Its unique optical properties also make it suitable for applications in photonics and optoelectronics.

Application

• Photoinduced electronic and ionic effects in strontium titanate: Focuses on the interaction of strontium titanate with ultraviolet radiation, investigating photoionic processes and photochromic effects, which are crucial for developing optoelectronic devices (M Siebenhofer et al., 2021).
• The emerging career of strontium titanates in photocatalytic applications: Reviews the role of strontium titanates in photocatalytic applications, particularly emphasizing their utility in environmental remediation processes (N Sharma, K Hernadi, 2022).
• Recent advances on carrier and exciton self-trapping in strontium titanate: Discusses the self-trapping of carriers and excitons in strontium titanate, providing insights into its electronic properties and implications for semiconductor technologies (ML Crespillo et al., 2019).

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves