Journal Article Fresnel zone plate Research Support, Non-U.S. Gov't AuNi nanocrystals CXDI NiO X-ray lithography X-ray writer backscattered electrons beamline coherent X-ray diffraction imaging direct-write X-ray lithography electrical property four-point probe station hard X-ray focusing in situ X-ray diffraction laser irradiation metastable mixed phase multimodal X-ray probe oxidation proximity effect three-dimensional morphology