Journal of Crystal Growth 225, 110( 2001). ZnO, ' Applied Physics Letters 83, 1575( 2003). Technology B 25, 1405( 2007). equation domains, ' Applied Physics Letters 91, 072102( 2007). shows 39, 211( 2006). ZnO, ' Applied Physics Letters 86, 022101( 2005). ZnO, ' Applied Physics Letters 91, 193507( 2007). D property, Australian National University, 2006. Au Schottky particles to intermediate ZnO, ' Applied Surface Science 236, 387( 2004). Applied Physics Letters 91, 142113( 2007). Journal of Electronic Materials 37, 743( 2008).