As used herein, the phrase thin film when referring to Class IIB VIA semiconductor materials refers to a layer of the semiconductor material having a thickness of from {TAIL ~ about 0.01 micrometer} to {HEAD ~ about 10 micrometers}, and preferably from about 0.5 micrometer to about 2 micrometers 
As used herein , the phrase thin film when referring to Class IIB VIA semiconductor materials refers to a layer of the semiconductor material having a thickness of from { TAIL ~ about 0.01 micrometer } to { HEAD ~ about 10 micrometers } , and preferably from about 0.5 micrometer to about 2 micrometers
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