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YAlO3 substrate

YAlO3 substrate

 

The main performance parameters

Crystal structure

Monoclinic

Lattice constant

A=5.176 A , B=5.307 A , C=7.355 A

Dense degree

4.88g /cm3

Melting point

1870℃

Dielectric constant

16-20

Coefficient of thermal expansion

2-10 * 10-6//k

 Standard Size

10x3 , 10x5 , 10x10 , 15x15 ,, 20X15 , 20x20 ,

Dia1, Dia30mm

 Standard Thickness

0.5mm , 1.0mm

Polishing

Single or Double side polished

Crystal orientation

<100>, <001>, <010>, <110>

Crystal plane orientation precision  :

± 0.5°

Edge orientation precision:

± 2° (Can reach <1° if required)

Wafer bevel

According to the specific requirements, processing wafer at a specific angle (tilt angle in 1° - 45°)

Surface Roughness( Ra):

< 5 A ( 5 m * 5 m )

Packing

100 class clean bag, 1000 class super clean room

 

Yttrium aluminium perovskite(YAlO3, name as YAP) single crystal is similar with Yttrium aluminium garnet(YAG) single crystal. An important crystal matrix material with excellent optical and physicochemical properties, the YAP crystal is a rare earth and transition metal ion doped crystal, which widely used in laser, scintillation, holographic recording and optical data storage, ionizing radiation dosimeters and high temperature superconducting thin film substrates.

 

 
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