产品分类

Niobium-doped Titanate Strontium Nb: SrTiO3

Nb:SrTiO3 Niobium-doped strontium titanate has similar structures with strontium titanate single crystals. At present, a single crystal substrate with niobium-doped concentration: 0.05wt%,0.1wt%,0.5wt%, 0.7 wt% Nb: SrTiO3 can be provided.

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Product Description

Material Properties

Syngony	cubic system
Growing directions	Flame method
Lattice constant	a=3.905Å
Nb-doped concentration (Fe%)	0.05wt％，0.1wt％，0.5wt% ，0.7wt%
Melting point (℃)	2080
Density	5.122（g/cm3）
Hardness	6-6.5（mohs）
Thermal expansion coefficient/℃	9.4×10-6
Dielectric constant	ε=5.20
Chemical stability	Do not dissolve in water
Thermal expansion coefficient	10.4×10-6/k
Positive cut loss	~5×10^-4（300k） ~3×10^-4（77k）
Size	5×5m、10×5m、10×10mm、15×15mm、20×20mm
Thickness	0.5mm、1.0mm
Dimensional tolerance	<±0.1mm
Thickness deviation	Special requirements of <± 0.05mm up to <± 0.005mm)
Polishing	Single or double-sided
Conventional crystal orientation	<100>;<110> ;<111>
Crystal orientation error	+/-0.5 degrees, + / -0.3 degrees
Edge orientation accuracy	2° (Special requirements are within 1°)