@article{33436, keywords = {Methodology, Laser, Lasers, Aluminum, Electron, Electrodes, Chemistry, Electrons, Electrode, Nanoparticles, Near-field, Luminescence, Cerium, Nanostructures, Materials testing, Nanotechnology, Article, Surface properties, Surface property, Imaging techniques, Focused electron beams, Free standing membranes, Lithographic patterning, Mechanical scanning, Nano-optical, NanoPatterning, Near-field optical microscopy, Biological materials, Cathodoluminescence, Photoexcitation, Nanomaterial, Nanoparticle, Equipment design, Monte Carlo method, Optics, Optics and Photonics}, author = {D.M Kaz and C.G Bischak and C.L Hetherington and H.H Howard and X Marti and J.D Clarkson and C Adamo and D.G Schlom and Ramamoorthy Ramesh and S Aloni and D.F Ogletree and N.S Ginsberg}, title = {Bright cathodoluminescent thin films for scanning nano-optical excitation and imaging}, abstract = {Demand for visualizing nanoscale dynamics in biological and advanced materials continues to drive the development of subdiffraction optical probes. While many strategies employ scanning tips for this purpose, we instead exploit a focused electron beam to create scannable nanoscale optical excitations in an epitaxially grown thin-film of cerium-doped yttrium aluminum perovskite, whose cathodoluminescence response is bright, robust, and spatially resolved to 18 nm. We also demonstrate lithographic patterning of the film's luminescence at the nanoscale. We anticipate that converting these films into free-standing membranes will yield a powerful near-field optical microscopy without the complication of mechanical scanning. © 2013 American Chemical Society.}, year = {2013}, journal = {ACS Nano}, volume = {7}, number = {11}, pages = {10397-10404}, issn = {19360851}, doi = {10.1021/nn404911a}, note = {cited By 12}, language = {eng}, }