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KTaO3 substrate

The main performance parameters
Product Name	KTaO3 single crystal substrate/wafer
Crystal structure	Cubic, Perovskite, m3m
Lattice constant	a=3.989Å
Growth method	Top-seeded solution growth(TSSG)
Melting point	~1350℃
Density	7.015 g/cm³
Mohs hardness	6
Refractive index	2.226@633nm, 2.152@1539nm
Thermal conductivity	0.17 w/m.k@300K
Coefficient of thermal expansion	4.027 x 10^-6/K)
Specific heat (temperature JK^-1g^-1)	0.378
Transparent bands (nm)	380~4000

Standard Specification
Product Name	Orientation	Standard Size	Thickness	Polishing
KTaO3 substrate	<100> ±0.5° <110> ±0.5° <111> ±0.5° Or other off-angle	10x10mm 10x5mm 5x5mm 20x20mm φ1" x 0.5mm 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(0.5nm)	Inquiry Online

Potassium tantalate, KTaO3 substrate, KTaO3 single crystal is a novel crystal having a perovskite structure and pyrochlore, has broad market prospects in superconducting thin film applications. We can offer a variety sizes of KTaO3 single-crystal substrate. Can be used to produce a laser modulator, a digital-type deflector and semiconductor devices. Since the KTaO3 crystals from the absolute zero to its melting point (1645K) no phase change, and the unit cell parameters good match with superconductor YBCO ,

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KTaO3 substrate

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