Patent ID: 7033435
Filing Date: 2006-04-25
Classification: C23C,C30B,H01L,H01S,Y02E,Y10T

Abstract:
1. A process for preparing a p-n junction having a p-type ZnO film and an n-type film wherein a net acceptor concentration is at least about 10 15 acceptors/cm 3 , the process comprising: cleaning a substrate; growing a p-type ZnO film on the substrate by directing an excimer pulsed laser beam onto a pressed ZnO powder pellet containing a p-type dopant element to grow a p-type ZnO film containing at least about 10 growing an n-type film on top of the p-type ZnO film by directing an excimer pulsed laser beam onto a pressed powder pellet containing an n-type dopant element to grow an n-type film on the p-type ZnO film on the substrate.