Not only the sputtering targets, semiconductor materials and single crystals, but also the other products.　　

Titanium Dioxide (TiO₂)

Titanium dioxide (TiO₂) has ne=2.90 refractive index, it has been used for coupler prism, various prism and polalizing elements. While it has strong oxidizing power by ultraviolets irradiation, it is used and spot lighted for optical electric chemical research.

Specification Properties

Material	Titanium dioxide	Specific gravity	4.26
Fomula	TiO2	Melting point	1840℃
Growth method	Bernoulli	Moh's hardness	6.5
Crystal system	Tetragonal	Refractive index (λ=0.6μm)	ne=2.90 na=2.61
Crystal type	Rutile	Refractive index variance	0.280
Cleavage place	(110)	Transmitted wave length range	as shown in diagram
Color	Light yellow	Dielectric constant	C//：170 C⊥：86
Purity	99.99%	Thermal expansion coefficient(×10-6℃)	C//：9.19 C⊥：7.14
Lattice constant	a=4.594Å c=2.959Å	Orientation	(100) (001) (110)

<for reference purpose only>

Crystal size

10×10×0.5�o、 20×20×0.5�o
Polishing: One side polished, Two sides poished

*Other size is available upon request.

* Luminous transmittance ratio curve

Concentration	0.01wt%  0.05wt%  0.5wt%
Orientation	(100) (001) (110)
Crystal size	10×10×0.5�o 15×15×0.5�o 20φ Polishing: One side polished, Two sides poished *Other size is available upon request.