II-VI compounds
Cadmium telluride
Cadmium zinc telluride
Cadmium zinc telluride selenide
Standard compositions
| CdTe | |
| Cd(1-y)Zn(y)Te | 0 < 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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