Absolute radiation tolerance of amorphous alumina coatings at room temperature
Sign Up to like & getrecommendations! Published in 2021 at "Ceramics International"
DOI: 10.1016/j.ceramint.2021.09.013
Abstract: Abstract In this study structural and mechanical properties of a 1 μm thick Al2O3 coating, deposited on 316L stainless steel by Pulsed Laser Deposition (PLD), subjected to high energy ion irradiation were assessed. Mechanical properties of… read more here.
Keywords: absolute radiation; tolerance amorphous; alumina coatings; amorphous alumina ... See more keywords
Effect of amorphous alumina and α-alumina on optical, color, fluorescence properties and photocatalytic activity of the MnAl2O4 spinel oxides
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2019.03.147
Abstract: Abstract A series of the alumina decorated MnAl2O4 photocatalysts were synthesized via a gamma-ray irradiation assisted polyacrylamide gel method and were evaluated for the photocatalytic degradation of congo red dye under simulated sunlight irradiation. The… read more here.
Keywords: amorphous alumina; spectroscopy; mnal2o4; photocatalytic activity ... See more keywords
Solid-phase epitaxy of a cavity-shaped amorphous alumina nanomembrane structure on a sapphire substrate
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Crystal Growth"
DOI: 10.1016/j.jcrysgro.2018.06.012
Abstract: Abstract A stripe-shaped cavity structure was formed with amorphous alumina membrane on a sapphire substrate and its solid phase epitaxy (SPE) to crystalline sapphire membrane was investigated by transmission electron microscopy (TEM). The SPE process… read more here.
Keywords: phase; sapphire substrate; solid phase; amorphous alumina ... See more keywords
Predicting Fracture Propensity in Amorphous Alumina from Its Static Structure Using Machine Learning.
Sign Up to like & getrecommendations! Published in 2021 at "ACS nano"
DOI: 10.1021/acsnano.1c05619
Abstract: Thin films of amorphous alumina (a-Al2O3) have recently been found to deform permanently up to 100% elongation without fracture at room temperature. If the underlying ductile deformation mechanism can be understood at the nanoscale and… read more here.
Keywords: machine; machine learning; static structure; amorphous alumina ... See more keywords
AlO6 clusters' electric storage effect in amorphous alumina supercapacitors.
Sign Up to like & getrecommendations! Published in 2021 at "Scientific reports"
DOI: 10.1038/s41598-021-81483-2
Abstract: In this study, the electric storage effect of AlO6 clusters in amorphous alumina (AAO) supercapacitors was investigated in terms of cluster morphologies under electron-beam irradiation. Based on first-principles density functional calculation, the optimised structure of… read more here.
Keywords: alo6 clusters; storage effect; effect; amorphous alumina ... See more keywords
Formation of nanoripples on amorphous alumina thin films during low-energy ion-beam sputtering: Experiments and simulations
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.95.085412
Abstract: The formation of nanopatterns induced by low-energy (0.5--1.5 keV) ${\mathrm{Xe}}^{+}$ ion-beam sputtering of amorphous alumina thin films is investigated by atomic force microscopy and grazing incidence small-angle x-ray scattering. The observed dependence of the surface… read more here.
Keywords: beam sputtering; energy; ion beam; amorphous alumina ... See more keywords
Infrared spectra in amorphous alumina: A combined ab initio and experimental study
Sign Up to like & getrecommendations! Published in 2023 at "Physical Review Materials"
DOI: 10.1103/physrevmaterials.7.045604
Abstract: We present a combined study based on experimental measurements of infrared (IR) dielectric function and first-principles calculations of IR spectra and vibrational density of states (VDOS) of amorphous alumina (am-Al$_2$O$_3$). In particular, we show that… read more here.
Keywords: dielectric function; amorphous alumina; oxygen; coordinated oxygen ... See more keywords