CORRELATION OF ELECTRICAL PROPERTIES OF a-SiHxMIS SOLAR CELL STRUCTURES WITH THE STATE OF OXIDATION OF THE INTERFACE

e l l s t r u c t u r e s are enhanced by t h e presence o f a t h ~n ( S 2UA) o%de l a y e r a t the metal/semiconductor i n t e rface.We f i n d t h a t t h e oxide l a y e r causes an increase i n t h e b u i l t i n potentia-l-which accounts f o r t h e enhanced V , , .