We provide crystal products with a rutile-type structure that is a single crystal of TiO2.
- TiO2 has three types of crystal structures, and Shinkosha provides crystals with the rare rutile structure found globally. - Due to its high refractive index, birefringence, and wide transmission characteristics, it is used as an optical core component. - In the field of photocatalysts, it is also used for fundamental research that takes advantage of the characteristics of single crystals. - Because of its good crystallinity and the ability to perform step & terrace treatment on the surface, it is widely used as a substrate for thin film deposition.
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basic information
*Rutile (TiO2) Crystal Growth Method: Bernoulli Method Crystal Orientation: (100), (110), (001) treated as standard Crystal System: Tetragonal (Rutile-type structure) Lattice Constants: a=0.45935 nm, c=0.29580 nm Melting Point: 1840℃ Density: 4.252 g/cm3 (20℃) Dielectric Constant: 113 (1 MHz) Thermal Expansion Coefficient (30–1000℃): (a-axis direction) 7.81×10^-6/℃ (c-axis direction) 10.1×10^-6/℃ Band Gap: 3.0 eV Refractive Index (at 706.5 nm): no=2.5490, ne=2.8226 *When making inquiries, please provide your preferences for: 1. Size (outer dimensions and thickness) 2. Crystal orientation 3. Polished surface (one side or both sides) 4. Quantity required 5. Other specifications, etc. *Standard products for substrate applications are also available (please refer to the catalog).
Price range
P1
Delivery Time
P4
※The delivery time may vary depending on stock status or for new production, so please feel free to contact us.
Applications/Examples of results
* It transmits light in the visible to near-infrared range (approximately 4μm) and appears yellow in color. * It has a high refractive index and birefringence, making it suitable for use in light-controlling prisms. * AR coating is also available. * Our rutile has also been used in basic experiments for photocatalysts. * We also handle Nb-doped products that have conductivity. * Step & terrace processing is available for thin film deposition substrates. * Options for break grooves are also possible.
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Company information
Our company is a manufacturer of oxide single crystals. In particular, we specialize in the following products: 1. Sapphire (α-Al2O3) 2. SrTiO3 3. Rutile (single crystal of TiO2). Although we are a crystal manufacturer, we also perform a full range of processing, including cutting, grinding, and polishing. Having handled crystals for over 70 years since our founding, we possess extensive knowledge and experience, especially regarding sapphire. Recently, we have also been mass-producing sapphire crystals larger than 300mm, allowing us to accommodate large-shaped products and mass production. We are a small company with about 170 employees, but if there is anything we can assist you with, please feel free to contact us.
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