Journal Article Research Support, Non-U.S. Gov't Fresnel zone plate X-FEL X-ray irradiation X-ray microscopy X-ray synthesis X-ray writer backscattered electrons brain imaging copper seed layer deep learning direct-write X-ray lithography electroless plating gold nano-mesh high-resolution X-ray imaging micro-patterning microtomography nanoparticle synthesis nanopositioning optoelectronics ponderomotive proximity effect relativity sinogram synthesis sparse-view computed tomography synchrotron synchrotron X-ray computed tomography thermal stability transparent conductive electrodes