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Product Description
Product Introduction
Strontium Titanate (SrTiO₃) is a high-performance perovskite oxide material widely utilized in the electric and electronic industries due to its exceptional dielectric, thermal, and structural properties. With a cubic perovskite structure and high dielectric constant, SrTiO₃ is ideal for use in various electric components including capacitors, thermistors, varistors, and multilayer ceramic devices.
In the electric industry, SrTiO₃ plays a critical role as a base material for producing high-voltage and high-frequency components, offering excellent insulation, energy storage capacity, and resistance to electrical breakdown. It is often used in the development of PTC thermistors, ceramic insulators, and microwave dielectric materials, as well as in solid-state and next-generation smart grid technologies.
Our Strontium Titanate powder is engineered with high purity, controlled particle size, and superior sinterability, ensuring consistency and reliability during ceramic processing and integration into electrical devices. It supports both traditional ceramic fabrication and advanced methods like tape casting, screen printing, and spark plasma sintering.
Physical Properties
| Item | Spec | Remark |
| Particle Size Distribution (D50) |
0.2 ~ 30 μm |
Laser Particle Size Analizer |
| Water Content (wt%) |
0.2 ~ 30μm ： < 0.5 |
105℃ × 1Hr |
| Ignition Loss (wt%) |
0.2 ~ 30μm ： < 1.0 |
800℃ × 1Hr |
Chemical Composition
| Product No. | ST-1 Series | ST-2 Series | ST-3 Series |
| SrO/TiO2 ( Mole Ratio) | 1.000±0.01 | 1.000±0.02 | 1.000±0.03 |
| BaO(wt%) | <0.05 | <0.1 | <0.3 |
| Fe2O3 (wt%) | <0.01 | <0.03 | <0.1 |
| K2O+Na2O(wt%) | <0.01 | <0.03 | <0.1 |
| Al2O3 (wt%) | <0.1 | <0.2 | <0.3 |
| SiO2(wt%) | <0.1 | <0.2 | <0.3 |
Product Features
Strontium titanate (SrTiO₃) is a functional material with excellent dielectric properties, optical properties and thermal stability. It is widely used in microelectronic devices, optical materials, energy storage devices and superconducting research. The main features include:
1. High dielectric constant and low loss
SrTiO₃ has a high dielectric constant (εr > 300) and performs well in high-frequency electronic applications.
The low dielectric loss property makes it suitable for high-performance capacitors, microwave devices and RF components.
2. Excellent optical properties
SrTiO₃ has a high refractive index (n ≈ 2.4) and is suitable for optical lenses, lasers and optoelectronic materials.
Its excellent nonlinear optical properties make it suitable for optical modulators, laser frequency doubling and holographic storage.
3. Compatible with high-temperature superconducting applications
SrTiO₃ is an ideal high-temperature superconducting substrate material, commonly used in superconducting films such as yttrium barium copper oxide (YBCO).
It has excellent lattice matching ability and is suitable for the research and development of advanced electronic materials.
4. Excellent thermal stability
It can still maintain its dielectric properties in high temperature environment, and is suitable for high temperature electronic components and heat-resistant coatings.
Suitable for thermistors, infrared detectors and high temperature sensors.
5. Suitable for composite with a variety of functional materials
It can be composited with barium titanate (BaTiO₃), barium lanthanum titanate (BLT), ferroelectric materials, etc. to improve the comprehensive performance of the material.
It is widely used in electronic ceramics, functional composite materials and energy storage materials.
FAQ
1: What makes SrTiO₃ suitable for electric industry applications?
Its high dielectric constant, thermal stability, and compatibility with high-voltage environments make it ideal for capacitors, thermistors, and insulating components.
2: Is your Strontium Titanate powder suitable for mass production?
Yes, our SrTiO₃ powder is highly consistent in quality and suitable for large-scale ceramic processing such as tape casting, sintering, and screen printing.
3: Can SrTiO₃ be used in microwave or high-frequency components?
Absolutely. Its low dielectric loss and stability at high frequencies make it perfect for microwave dielectric materials and RF components.
4: Do you offer doped or modified SrTiO₃ materials?
Yes, we offer custom-doped SrTiO₃ upon request for enhanced electrical or ionic conductivity suited for specific applications.
5: What are the available particle sizes?
We provide nano-sized, submicron, and tailored particle size distributions depending on customer requirements.
6: Is your product environmentally compliant?
Yes, all our SrTiO₃ products are RoHS and REACH compliant, containing no hazardous substances.
