A method for preparing cadmium telluride or cadmium zinc telluride polycrystalline material
A technology of cadmium zinc telluride and cadmium telluride, which is applied in the growth of polycrystalline materials, chemical instruments and methods, single crystal growth, etc., can solve the problems of quartz crucible container explosion, material oxidation and scrapping, equipment damage and economics, etc., to prevent volatilization Loss, reduction of equipment cost, and reduction of transient response
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Embodiment 1
[0032] Example 1: Prepare 100 kg of CdTe crystal material.
[0033] Preparation process:
[0034] 1) The first crucible 1, the second crucible 2, and the first cover 3 are made of quartz; the first crucible 1 has an annular groove 11 along the outer peripheral wall, the inner diameter of the lower part of the first crucible 1 is 300 mm, the inner diameter of the upper part is 322 mm, and the wall thickness 5mm, length 800mm; the width of annular groove 11 is 18mm, the wall thickness is 2.5mm, and the depth is 15mm; the upper part of the second crucible 2 is cylindrical, and the lower part is funnel-shaped. 4 The total length is 100 mm, the wall thickness is 3 mm, and the inner diameter of the tail end of the thin tube 4 is 8 mm; the top of the first cover 3 is closed, the bottom is open and the side wall can be inserted into the annular groove 11, the inner diameter of the first cover 3 is 336 mm, the wall thickness is 2.5 mm, The length is 30 mm; the first crucible 1, the se...
Embodiment 2
[0045] Embodiment 2: prepare 6kg Cd 0.96 Zn 0.04 Te crystal material.
[0046] Preparation process:
[0047] 1) The first crucible 1, the second crucible 2, and the first cover 3 are made of quartz; the first crucible 1 has an annular groove 11 along the outer peripheral wall, the inner diameter of the lower part of the first crucible 1 is 90 mm, the inner diameter of the upper part is 112 mm, and the wall thickness 3mm, length 800mm; the width of the annular groove 11 is 18mm, the wall thickness is 2.5mm, and the depth is 15mm; the upper part of the second crucible 2 is cylindrical, and the lower part is funnel-shaped. The total length of the tube 4 is 100 mm, the wall thickness is 2.5 mm, and the internal diameter of the tail end of the thin tube 4 is 1 mm; the top of the first cover 3 is closed, the bottom is open and the side wall can be inserted into the annular groove 11, the internal diameter of the first cover 3 is 336 mm, and the wall thickness is 2.5 mm. mm, lengt...
Embodiment 3
[0058] Embodiment 3: prepare 6kg Cd 0.9 Zn 0.1 Te crystal material.
[0059] Preparation process:
[0060] 1) The first crucible 1, the second crucible 2, and the first cover 3 are made of quartz; the first crucible 1 has an annular groove 11 along the outer peripheral wall, the inner diameter of the lower part of the first crucible 1 is 90 mm, the inner diameter of the upper part is 112 mm, and the wall thickness 3mm, 800mm in length, the width of the annular groove 11 is 18mm, the wall thickness is 2.5mm, and the depth is 15mm. The upper part of the second crucible 2 is cylindrical, and the lower part is funnel-shaped. The outer diameter of the cylindrical tube is 110 mm, the length is 150 mm, the total length of the funnel and the thin tube 4 is 100 mm, the wall thickness is 2.5 mm, and the inner diameter of the tail end of the thin tube 4 is 2 mm; The top of the cover 3 is closed, the bottom is open, and the side wall can be inserted into the annular groove 11. The inne...
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