Name: Versatile Srlaalo4 (001) 10x10x0.5mm, 1sp - Slaob101005s1 Get 55% Off Today [RkGcHgyX]
Brand: technovaprecision.com
SKU: HBS17507379591
Price: 29.99 USD
Availability: InStock
Rating: 4.98 (148 reviews)

Specifications:

Single crystal SrLaAlO4
Size: 10mm x 10mm x 0.5mm
Orientation: (001)
Orientation tolerance + / - 0.5°
Surface Roughness <10 Å
Edge alignment available on request
Polish: one side EPI polished

Features:

Good lattice match with perovskite structure superconductors
Stable structure with much less defects than SrTiO₃
Low dielectric constant suitable for microwave or high frequency application

Typical Properties

Purity	99.99%
Color	Light Brown
Crystal Struture	Tetragonal
Lattice Constant	a = b = 3.756 A C = 12.636 A
Density	5.92 g / cc
Melt Point	1650 ^oC
Thermal Expansion Coeff.	12 ppm / ^oC
Dielectric Constant	16.81 at a axis 20.02 at c axis

Comparison of SrTiO3 - LaAlO3 - SrLaAlO3

Properties/Crystal	SrTiO3	LaAlO3	SrLaAlO4
Structure	Cubic	Rhombohedral at 25^oC Cubic at > 435 ^oC	Tetragonal
Lattice Constant	a=3.905	a=3.821 A	a=b=3.756 A c= 12.636
mismatch to YBCO (a=3.9)	+0.12%	-2.0%	-3.7%
Dielectric Constant	~300	~ 25	~ 17
Grown Method	Vernuil	CZ	CZ
Thermal expansion	10.4 (x10^-6/ ^oC)	10 (x10^-6/ ^oC)	12 (x10^-6/ ^oC)
Melting point	2080	2080 ^oC	1650 ^oC
Density	5.175 g/cm³	6.52 g/cm³	5.92 g/cm³
Max. Crystal Size	30 mm dia.	75 mm dia	35 mm dia
Crystal Quality	Wide rocking curve due to dislocation density	Visible twin due to phase transition around 400 oC	Narrow rocking curve, no twins, less defects
Crystal Cost	Higher	Lower	Medium