Trivalent zirconium and hafnium ions in yttria-based transparent ceramics
Electron paramagnetic resonance spectra of transparent yttria-based ceramics with zirconium and hafnium additives contain signals with close parameters due to paramagnetic Zr3+ and Hf3+ ions, which have similar ground-state electron configurations of [Kr]4d1 and [Xe]5d1, respectively.
Laser synthesis of nanopowders
YSZ, YSZ + Al2O3, Ce0.78 Gd0.22O2−δ, and 5NdY2O3 nanopowders are obtained using target evaporation with a repetitively pulsed CO2 laser and subsequent vapor condensation in the flow of a carrier gas. The design of the laser complex for producing the nanopowder and the block diagram and the characteristics of the repetitively pulsed CO2 laser pumped by a combined discharge are presented. The size distribution of the nanoparticles is studied and the x-ray data are reported. It is demonstrated that a nanopowder output rate of 15–75 g/h linearly increases with the mean laser power. Under equal conditions, the size distribution of the particles is weakly affected by the type of the target material. The results obtained are interpreted.
Beings of nature and reason: mythological masculinities in early 18th-century French art and visual culture
Statement of Originality Acknowledgments List of Illustrations Introduction 11 Chapter One Of Myth and Men 27 Chapter Two In the Likeness of Bacchus 62 Chapter Three Venus and a Satyr 97 Chapter Four Pan and Syrinx 141 Chapter Five Marsyas Flayed by the Order of Apollo 175 Conclusion 212 Catalogue of Images 227 Bibliography 300