High-Temperature Superconducting Thin Films

Lithium Aluminate (LiAlO2) single crystal with lower lattice mismatch rate to Gallium Nitride,  Thus becoming a high-quality substrate material of gallium nitride film, A potential film substrate material of  the III-V group nitride.

Strontium Titanate (SrTiO3) substrate is currently the most widely used high-temperature superconducting film of single crystal.

LSAT (La,Sr)(Al,Ta)O3,  is a relatively mature non-crystalline perovskite crystal. It has a perfect match with high temperature superconductors and various oxide materials. During a large number of practical researches, it was found that LSAT is promising to replace lanthanum aluminate (LaAlO3) and Strontium titanate (SrTiO3) for giant magnets and superconducting devices.

Lanthanum aluminate (LaAlO3) substrate single crystal is the most important industrialized, large-size high-temperature superconducting thin film single crystal substrate material. It is grown by Czochralski method, we can get two inches in diameter and larger single crystals and the substrate. It works with high-temperature superconducting materials lattice well matched, such as YBaCuO.

Potassium tantalate (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.

Neodymium gallate (NdGaO3) crystal is a new single-crystal substrate material developed in recent years, NdGaO3 are mainly used for high-temperature superconductors (YBCO) and magnetic's Epitaxial films  growth, Because NdGaO3 and YBCO with the small lattice mismatch (~ 0.27%), and no structural phase change.

Lanthanum strontium aluminate (LaSrAlO4) single crystals have the same structure to high-temperature superconductor YBCO. They have a low coefficient of thermal expansion than other perovskite structure crystals. it can be deposited Films at a lower temperatures,  Thereby improving the lattice mismatch and reduce stress.

Yttrium-doped Zirconia (YSZ) single crystal substrate is one of the earliest materials used in high-temperature superconducting thin films. Usually using the zirconium oxide necessary to incorporate yttria as a stabilizer. Common doping concentration in 13 mol%, YSZ has a good mechanical and chemical stability, low cost. It has been named Yttria stabilized zirconia.

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CRY-KTaO3

KTaO3 single crystal substrate/wafer

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CRY-LSAT

LSAT single crystal substrate/wafer

Chemical formula: (La,Sr)(Al,Ta)O3

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CRY-LaAlO3

Lanthanum aluminate (LaAlO3) single crystal substrate

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CRY-LaSrAlO4

LaSrAlO4 single crystal substrate

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CRY-LiAlO2

Lithium Aluminate single crystal LiAlO2

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CRY-NdGaO3

NdGaO3 single crystal substrate

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CRY-SrTiO3

Strontium Titanate Single Crystal SrTiO3

 

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CRY-SrTiO3-Fe

Iron-doped Strontium titanate single crystal substrate

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CRY-SrTiO3-Nb

Niobium doped Strontium titanate substrate

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CRY-SrTiO3-Nd

Neodymium doped strontium titanate Single Crystal

Concentration 0.05wt%

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CRY-YSZ

Yttrium-doped Zirconia (YSZ) single crystal substrate

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