Infrared Nonlinear Optics Single Crystal GaSn
A nonlinear optics and single crystal technology, applied in nonlinear optics, optics, single crystal growth, etc., can solve the problem that the comprehensive performance cannot meet people's ideal requirements
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Embodiment 1
[0012] Example 1 Preparation of gallium tin selenide single crystal.
[0013] According to the Sn:Ga:Se element molar ratio of 4:4:10, weigh Sn, Ga and Se mix evenly, first put it into a graphite crucible, then put it into a quartz tube, vacuumize the quartz tube, seal it, and put it at a high temperature React in the furnace at 600°C for several hours, then keep the temperature at 850°C for tens of hours, and finally drop to room temperature slowly. There are light red blocky crystals in the crucible. Through single crystal X-ray diffraction analysis, it is shown that the compound is gallium tin selenide, the crystal parameters are as above, and the structure is as attached figure 1 shown.
Embodiment 2
[0014] Example 2 Preparation of gallium tin selenide polycrystalline powder
[0015] According to the Sn:Ga:Se element molar ratio of 4:4:10, weigh Sn, Ga and Se and mix evenly, first put it into a graphite crucible, then put it into a quartz tube, vacuumize the quartz tube, seal it, and place it at high temperature Keep the temperature in the furnace at 850°C for dozens of hours, and then slowly lower it to room temperature to obtain more red polycrystalline particles.
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