Journal Article resonant inelastic X-ray scattering Research Support, U.S. Gov't, Non-P.H.S. X-ray optics 1C beamline Fluorocarbons Montel mirror Osmium Tetroxide P40W033BGM PLS-II RIXS RIXS spectrometer Research Support, Non-U.S. Gov't X-ray collimation electronic structures/processes/materials epitaxy fluorocarbon 72 hard X-rays high pressure high-resolution monochromators metamaterials multilayer mirror non-traditional crystal materials optically active materials scattered X-ray collimation structure-property relationships thin films