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SrLaAlO4 (100) 10x10x0.5mm, 1sp
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Click to enlarge
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In stock
Item Number: SLAa101005S1
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Specifications:
- Size: 10mm x 10mm x 0.5mm
- Orientation: (100) + / - 0.5 o
- Polish: one side EPI polished with surface roughness < 5 A
- Package: One 1000 class clean room with 100 class plastic bag
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
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Purity 99.99%
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Color Light Brown
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Crystal Structure: Tetragonal
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Lattice Constabt: a = b = 3.756 A C = 12.636 A
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Density: 5.92 g / cc
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Melting Point 1650 oC
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Thermal Expansion Coeff. 12 ppm / oC
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Dielectric Constant 16.81 at a axis 20.02 at c axis
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Loss Tangent (1 MHz, 300K) 6x104 at a axis 8x104 at c axis
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Maximum as grown. crystal size 30 mm dia x 35 mm length
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Standard Orientation (100), (001)
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Edge alignment Available on request
Comparison of SrTiO3 ¡§CLaAlO3 - SrAlO4
Crystal
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Properties/Crystal
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SrTiO3
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LaAlO3
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SrLaAlO4
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Structure
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Cubic
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Rhombohedral at 25 oC:
Cubic at > 435 oC :
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Tetragonal
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Lattice Constant
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a=3.905
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a=3.821 A
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a=b=3.756 A
c= 12.636
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mismatch to YBCO (a=3.9)
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+0.12%
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-2.0%
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-3.7%
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Dielectric Constant
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~300
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~ 25
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~ 17
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Grown Method
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Vernuil
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CZ
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CZ
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Thermal expansion
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10.4 (x10-6/ oC)
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10 (x10-6/ oC)
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12 (x10-6/ oC)
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Melting point
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2080
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2080 oC
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1650 oC
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Density
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5.175 g/cm3
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6.52 g/cm3
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5.92 g / cc
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Max.
Crystal size
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30 mm dia.
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75 mm dia
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35 mm dia
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Crystal quality
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Wide rocking curve due to dislocation density
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Visible twin due to phase transition around 400 oC
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Narrow rocking curve, no twins, less defects
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Crystal cost
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Higher
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Lower
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Medium
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MS&T 2012, Booth# 536, Oct.9-10, 2012, Pittsburgh, PA, USA
 Nanotech 2012, Booth# 712, June 19-20, 2012, Santa Clara, California
 ECS 221st, Booth#208, May 7-9, 2012, Seattle,WA, USA
 SVC TechCon2012, Booth# 739, May 1- 2, 2012, Santa Clara, California
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Notices
1. The price listed on line is valid for US market and who pay by credit card only. There will be extra cost for shipping and handling. The price is different from country to country
2. We may add extra cost for paper order and net 30 term due to extra labor cost
3. The price is subject to change without notice
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