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°®ÓëÓêÏÂ: Ôٸĸİɣ¡ 2011-10-01 13:27:46
yy08(½ð±Ò+3, ·­ÒëEPI+1): 2011-10-01 17:11:39
°®ÓëÓêÏÂ(½ð±Ò+8): bb´ú·¢ 2011-10-09 08:53:15
In experiment, Arsenic evaporates easily so the single crystal, which is produced from polycrystal which is synthesized in stoichiometric ratio, may change the band gap of this crystal and further affects optical transmittance of single crystal. Therefore, during the synthesis, the content of Arsenic will increase to make it deviate from the stoichiometric ratio.
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yy08(½ð±Ò+5): 2011-10-01 17:11:50
°®ÓëÓêÏÂ(½ð±Ò+1): ~! 2011-10-01 17:42:32
°®ÓëÓêÏÂ(½ð±Ò+4): bb´ú·¢ 2011-10-09 08:53:40
ÔÚʵÑéÉÏ£¬ÒòΪÉéÈÝÒ×Õô·¢£¬ËùÒÔÓð´ÕÕ»¯Ñ§¼ÆÁ¿±ÈºÏ³ÉµÄCdSnAs2¶à¾§Éú³¤³öµÄµ¥¾§Ì壬¿ÉÄÜ»á¸Ä±ä¸Ã¾§ÌåµÄ´øÏ¶£¬´Ó¶øÓ°Ïìµ½µ¥¾§µÄ¹âѧ͸ÉäÂÊ£¨optical transmittance£©£¬ËùÒÔÔںϳɵÄʱºò£¬ÍùÍù»áÔö´óÉéµÄº¬Á¿£¬Ê¹ÆäÆ«À뻯ѧ¼ÆÁ¿±È£¨deviating from the stoichiometric ratio£©¡£

Since Arsenic is evaporated easily in the experiment, the band could be changed in the single crystal, which is grown up by CdSnAs2 polycrystal that synthesized according to the stoichiometric ratio, and further affects optical transmittance of the single crystal. Therefore, the amount of Arsenic could be increased during the synthesis and the stoichiometric ratio could be deviated.
3Â¥2011-10-01 15:50:34
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