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NANO PRO Yttrium Orthoaluminate (YAlO3) Crystal Substrates

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NANO PRO Yttrium Orthoaluminate (YAlO3) Crystal Substrates

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Yttrium Orthoaluminate (YAlO3) Crystal Substrates

Yttrium Orthoaluminate (YAlO3) is also referred to as yttrium aluminum perovskite (YAP). It has a perovskite-like orthorhombic crystal structure (a= 5.330(2)Å" data-mce-fragment="1">a= 5.330(2)Å, b= 7.375(2)Å" data-mce-fragment="1">b= 7.375(2)Å, c= 5.180(2)Å" data-mce-fragment="1">c= 5.180(2)Å; space group Pnma-D162h). YAP substrate is widely used for growth of high temperature superconducting (HTS) thin film, II-V nitride and oxide films. Tm, Nd, Pr, Er and Cr doped YAP crystals are commonly used for laser applications.

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Crystal Structure Orthorhombic
Melting Point 1870 °C
Density 4.88g cm-3
MOHS Hardness 8.5
Orientation (010), (100), (001), (110)
Size 5x5x0.5mm, 10x10x0.5mm or other sizes upon request
Polishing Single Side or Double Side polishing
Refractive Index @ 632.8 nm 

1.96(a)

1.94(b)

1.97(c)
Coefficient of Thermal Expansion

2.32 x 10-6 K-1 (a)

8.08 x 10-6 K-1 (b)

8.7 x 10-6 K-1 (c)


References

1. Crystal structure refinement of YAlO3, a promising laser material, Mater. Res. Bull., 1975, Vol. 10, Issue 2, 85-90

2. Measurement of thermo-optic properties of Y3Al5O12, Lu3Al5O12, YAIO3, LiYF4, LiLuF4, BaY2F8, KGd(WO4)2, and KY(WO4)2 laser crystals in the 80–300K temperature range, J. Appl. Phys., 98, 103514 (2005)

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