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KTaO3 substrate

KTaO3 substrate

 

Molecular formula

KTaO3 (KT)

Point group

m3m

Cell parameters

0.3984nm

Melting point

1352.2℃

Density

7.025 g/cm3

Mohs hardness

Growth method

Czochralski method

Refractive index

2.226@633nm,   2.152@1539nm

Coefficient of thermal expansion

4.027*10-6/K)

Specific heat (temperature JK-1g-1)

0.378

Transparent bands (nm)

380~4000

Orientation

<100>, <110>, <111>

Regular size

20x20x0.5mm;10x10x0.5mm,5x5x0.5mm,
Or according to customer's requirements

Polishing

Single side polished(SSP) or Double side polished(DSP)

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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