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II-VI compounds

Cadmium telluride
Cadmium zinc telluride
Cadmium zinc telluride selenide

 

Standard compositions

CdTe 
Cd(1-y)Zn(y)Te0 < y < 0.05
Cd(1-y)Zn(y)Te(1-x)Se(x)y ~ 0.02, x ~ 0.02

Standard dimensions
Round with diameter 20 mm
Rectangular: 20 x 20 mm
Thickness: 0.5-1.0 mm
 

EPD

CdTe< 1x10E4 cm-2
Cd(1-y)Zn(y)Te< 5x10E4 cm-2
Cd(1-y)Zn(y)Te(1-x)Se(x)< 5x10E4 cm-2

 

Orientation

CdTe(111) or (100)
Cd(1-y)Zn(y)Te(111)
Cd(1-y)Zn(y)Te(1-x)Se(x)(111)
Tolerance +/-0.5 Deg. 

 

Mercury cadmium telluride bulk single crystals

Size: rectangular wafers with sides 10-30 mm
Thickness: 0.6-1.0 mm
Polishing: two sides polished

N-TYPE Cd(x)Hg(1-x)Te annealed

Composition (X) 0.190-0.240, 0.270-0.330
Please contact us for other X value ranges

Uniformity of composition
DX= +/-0.005; +/-0.003
Tighter uniformity up to DX=+/-.0015 available upon request.

Carrier Conc. at 77K, cm-3 1-8 E14 for X = 0.190-0.240
Carrier Conc. at 77K, cm-3 0.8-7 E14 for X = 0.270-0.330

Mobility at 77K, cm2/V-s. > 1 E5 for X = 0.190-0.240
Mobility at 77K, cm2/V-s. > 5 E4 for X = 0.270-0.330

P-TYPE Cd(x)Hg(1-x)Te

Composition (X) 0.190-0.240, 0.270-0.330
Please contact us for other X value ranges

Uniformity of composition DX +/-0.005; +/-0.003
Tighter uniformity up to DX = +/-.0015 available upon request

Carrier Conc. at 77K, cm-3 0.3-2 E16 for X = 0.190-0.240
Carrier Conc. at 77K, cm-3 0.2-2 E16 for X = 0.270-0.330

Mobility at 77K, cm2/V-s. > 400 for X = 0.190-0.240
Mobility at 77K, cm2/V-s. > 300 for X = 0.270-0.330


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