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Usually, p-n junctions with a-Si:H do not display rectification properties, but display a more or less Ohmic contact characteristic. This is because there are many p-layer and n-layer defect levels and as, moreover, carrier density is also high, the tunnel effect current becomes dominant. ============================== ÕâÒ»¶ÎÓ¢ÎÄÔõôÀí½â£¬ÊDz»ÊÇ˵ÒԷǾ§¹è×÷Ϊi²ãpin²ã°ëµ¼Ìå½á¹¹Ã»ÓÐÕûÁ÷ÌØÐÔÄØ£¿ÔõôÀí½â£¿ÎªÊ²Ã´Ã»ÓÐÕûÁ÷ÌØÐÔÄØ£¿ [ Last edited by hslining on 2009-9-12 at 08:52 ] |
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