This invention relates to materials and methods for forming ohmic contacts with a thin film of a p type semiconductor compound, which film comprises at least one of {TAIL ~ the metal elements} of Class IIB of the Periodic Table of Elements and one of the non metal elements of {HEAD ~ Class VIA} of the Periodic Table of Elements 
This invention relates to materials and methods for forming ohmic contacts with a thin film of a p type semiconductor compound , which film comprises at least one of { TAIL ~ the metal elements } of Class IIB of the Periodic Table of Elements and one of the non metal elements of { HEAD ~ Class VIA } of the Periodic Table of Elements
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