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Single Crystal Strontium Titanate Substrate

Single Crystal Strontium Titanate Substrate

Compound Semiconductor Wafers

Strontium titanate (SrTiO3) substrate is currently the most widely used high-temperature superconducting film of single crystal. It works with other high-temperature superconducting material such as YBaCuO lattice matching is good, no twin structure, physical, mechanical and excellent performance.
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Products Description

The Single Crystal Strontium Titanate Substrate (SrTiO3) is the preferred material for high-temperature superconducting thin films due to its exceptional lattice matching with materials like YBaCuO. With no twin structure and excellent physical, mechanical, and thermal properties, SrTiO3 substrates ensure superior performance in demanding applications. They support various thin-film production techniques, including magnetron sputtering, pulsed laser deposition, and laser molecular beam epitaxy, enabling the creation of high-temperature superconducting films with TCO ≥ 90 °K and JCO ≥ 10⁶ A/cm². Surface finish options include fine ground, single-side polished, or double-side polished, with roughness as low as Ra<5å>China strontium titanate substrate manufacturer, we are committed to providing high-quality SrTiO3 substrates tailored to meet the needs of advanced research and industrial applications.


Single Crystal Strontium Titanate Substrate


Product Standard:

Product NameOrientationStandard SizeThicknessPolishing
SrTiO3 substrate<100>±0.5°
<110>±0.5°
<111>±0.5°
Or other off-angle
10x10mm
10x5mm
5x5mm
3x3mm
20x20mm
φ1"x0.5mm
Or others
0.1mm
0.2mm
0.5mm
1.0mm
2.0mm
Or others
Fine ground
Single side polished
Double side polished
Roughness: Ra<5a(0.5n)<>

Single Crystal Strontium Titanate Substrate Specifications

Product NameStrontium titanate(SrTiO3) single crystal substrate/wafer
Crystal structureCubic
Growth methodVernuil
Lattice constanta = 3.905Å
Melting point2080℃
Density5.175 (g/cm³)
Mohs Hardness6
Coefficient of thermal expansion (/ ℃)10.4 × 10-6
Dielectric constant~300
Chemical stabilityInsoluble in water
Loss tangent~ 5 x 10-4(300k) ~ 3 x 10-4(77k)
AppearanceTranslucent
PackageEach pieces packed in 100 clean bag with 1000 clean room

Single Crystal Strontium Titanate Substrate Features

1. Exceptional Lattice Matching

Perfect compatibility with high-temperature superconducting materials like YBaCuO. Enables the formation of high-quality thin films with superior performance.


2. High-Temperature Superconductivity

Supports films with critical temperature (TCO) ≥ 90 °K. Achieves critical current density (JCO) ≥ 10A/cm2.


3. High Purity and Structural Integrity

Single crystal structure with no twin boundaries. Provides excellent physical, mechanical, and thermal properties.


4. Versatile Film Formation Techniques

Suitable for magnetron sputtering, pulsed laser deposition, and laser molecular beam epitaxy. Ensures uniform and defect-free thin film production.


5. Customizable Specifications

Multiple orientations:<100>,<110>,<111>, and other off-angles. Available in various standard sizes (e.g., 10x10mm, 5x5mm, 3x3mm) and thicknesses (0.1mm to 2.0mm). Options for fine ground, single-side polished, or double-side polished surfaces.

Application Scenarios

Semiconductor silicon wafer is the upstream of integrated circuit industry and is an important material for manufacturing integrated circuits.


Semiconductor silicon wafer manufacturing technology is difficult, the downstream application is wide, the market value is high, is the main application field of silicon wafer. Silicon is the starting point of the semiconductor industry chain, through the front and back of the entire chip manufacturing process, without silicon semiconductor industry will be like water without a source. The output and quality of silicon wafers directly restricts the entire semiconductor industry, and the development of many industries such as communications, automobiles, and computers further downstream, and is a key material for manufacturing chips.


Semiconductor products are mainly used in computer, household appliances, digital electronics, electrical, communications, transportation, medical, aerospace and many other fields.


Application Scenarios

Packaging and Transportation

The packaging should be able to withstand the impact, vibration, stacking and extrusion that may be encountered during transportation, while also it has to easy to load, unload and handle.

We use professional wafer box packaging. The wafer box is protected by a double layer bag, the inside is a PE bag that can be dust-proof, and the outside is a aluminum foil bag that can be isolated from the air. The two-layer bags are vacuum-packed. 

We will choose carton models according to different sizes of products. And between the product and the carton filled with shock-proof EPE foam, play a comprehensive protection. 

Finally choose air transport to reach the customer's hands. This allows customers in any country and region to receive the product in the fastest time.

We comply with the Material Safety Data Sheet (MSDS) rules to ensure that the products transported are free of harmful substances and will not cause environmental pollution and explosion and other possible hazards.


Packaging and Transportation

Enterprise Strength

Factory Area: 3000 sq


Process:

1. Shaping→2. Edge Profile→3. Lapping→4. Polishing→5. Cleaning→6. Packing→7. Transportation


Capacity:

Glass Wafer --- 30K pcs 

Silicon Wafer --- 20K pcs 

(Equal to 6in) 


Enterprise Strength

Quality Assurance

Quality inspection method: Product inspection in accordance with SEMI standard or according to customer's requirements, together with product COA.


Warranty period: In accordance with the contract requirements.


Quality system management:

●Organize production according to ISO9001 and other quality system standards.

Quality management system and measures:

●Establish a strict quality assurance system, the heads of all departments and quality engineers to ensure the coordinated operation of the quality system.

●Strengthen the quality inspection system, strengthen the process quality control

●Strict material quality control, ensure that the input materials meet the design requirements and technical specifications.

●Implement a timely filing system for technical data to ensure that all processing technical data is complete/accurate.


Quality control in the production stage:

●Production preparation stage: carefully organize relevant personnel to learn product drawings and technical rules, and improve the technical level of employees.

●Quality control of the production process: the implementation of a strict handover system, the previous step of the process to the next step of the transfer, should be detailed processing. At the same time, strengthen the quality inspection system to ensure the quality of each step of the process.

●Quality acceptance: All processes must be quality acceptance before proceeding to the next process.


Quality Assurance

Pre-sales and After-sales

Pre-sales Service

Professional technical support and commercial team to help you determine product specifications according to product use, and issue specifications.


On-purchase Service

Produce products according to the confirmed specifications and our process.


After Sale Service

We will respond to any product problems encountered by customers or process problems encountered by customers within 24 hours. We can choose from various forms of service, such as email, video conference and so on.


About Us PLUTOSEMI

Plutosemi Co., Ltd.  was established in 2019, headquartered in Nanhai, Foshan, focusing on the research and development, production, and sales of high-performance semiconductor materials. 

Advanced production capacity: We have three major production bases in China, with a monthly production capacity of 100000 equivalent 6-inch silicon wafers and 30000 equivalent 8-inch glass wafers, ensuring stable and efficient product supply for our customers.

High quality products: We provide efficient and stable product supply innovative solutions in the fields of glass wafers, silicon polishing wafers, epitaxial wafers (EPI), silicon on insulator wafers (SOI), and more. Our silicon wafers have the characteristics of ultra-thin, ultraflat, and high-precision, which can meet the needs of various high-end applications. Our glass and quartz substrates are also renowned for their high smoothness and precise aperture design.

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