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Theoretical Design of Effective Multilayer Optical Coatings Using Oxyhydride Thin Films
E. Strugovshchikov, A. Pishtshev, S. Karazhanov
Rare-earth metal oxyhydride compositions are currently attracting increasing attention to develop materials with unusual optical responses. Herein, using computer simulations of th…
Light-induced breathing in photochromic yttrium oxy-hydrides
E. M. Baba, J. Montero, E. Strugovshchikov +2
When exposed to air, metallic yttrium dihydride YH2films turn into insulating and transparent yttrium oxy-hydride (YHO). The incorporation of oxygen causes the lattice expansion of…
Experimental studies of thorium ions implantation from pulse laser plasma into thin silicon oxide layers
P. V. Borisyuk, E. V. Chubunova, Yu. Yu. Lebedinskii +7
We report the results of experimental studies related to implantation of thorium ions into thin silicon dioxide by pulsed plasma fluxes expansion. Thorium ions were generated by la…
Synthesis of photochromic oxygen-containing yttrium hydride
J. Montero, F. A. Martinsen, M. Lelis +3
Photochromic oxygen-containing yttrium hydride has been synthesized using a two step process. The process consists of an initial sputter deposition of oxygen-free yttrium hydride Y…
New insights into the photochromic mechanism in oxygen-containing yttrium hydride thin films: an optical perspective
J. Montero, F. A. Martinsen, S. Zh. Karazhanov +2
Oxygen-containing yttrium hydride thin films exhibit a photochromic behavior: transparent thin films switch from a transparent state to a photodarkened state after being illuminate…
Excitons in \ce{Mg(OH)2} and \ce{Ca(OH)2} from \textit{ab initio} calculations
A. Pishtshev, S. Zh. Karazhanov, M. Klopov
By using \textit{ab initio} calculations with the HSE06 hybrid functional and GW approximation combined with numerical solution of the Bethe Salpeter equation (GW-BSE) we predict t…