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SrTiO3 Substrate

Advantage

1.High temperature superconducting
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  • SrTiO3 single crystal has good lattice structure of perovskite structure material. It is an excellent substrate material for epitaxy growth of HTS and most oxide films. It has been widely used in the research of high temperature superconducting thin films. It is also widely used in special optical windows and high quality sputtering targets.

    Properties:


    • Orientation: (100) +/-0.5 Deg
    • Edge orietation Indication: <001> +/-2 Deg avaiable as option with extra cost
    • Polish: One side EPI polished by CMP tecnology with less sub-surface lattice damage.
    • Pack: Packed in 100 grade plastic bag under 1000 class clean room.

    Crystal Structure

    Cubic, a=3.905 A

    Growth Method

    Vernuil

    Densityg/cm3

    5.175

    Melting Point

    2080 

    Hardness (Mho)

    6

    Thermal Expansion

    10.4 (x10-6)

    Dielectric Constant

    ~ 300

    Loss Tangent at 10 GHz

    ~5x10-4 @ 300K , ~3 x10-4 @77K

    Color and Appearance

    Transparent (sometimes slightly brown based on annealing condition).No twins

    Chemical Stability

    Insoluble in water


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