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http://dx.doi.org/10.1103/physrevb.48.3600 | DOI Listing |
Materials (Basel)
August 2024
Institute of Physics, Polish Academy of Sciences, Al. Lotnikow 32/46, 02-668 Warsaw, Poland.
β-GaO is an ultra-wide bandgap semiconductor (E~4.8 eV) of interest for many applications, including optoelectronics. Undoped GaO emits light in the UV range that can be tuned to the visible region of the spectrum by rare earth dopants.
View Article and Find Full Text PDFMaterials (Basel)
June 2024
Chair of Materials Test Engineering (WPT), TU Dortmund University, Baroper Str. 303, D-44227 Dortmund, Germany.
In general, formed components are lightweight as well as highly economic and resource efficient. However, forming-induced ductile damage, which particularly affects the formation and growth of pores, has not been considered in the design of components so far. Therefore, an evaluation of forming-induced ductile damage would enable an improved design and take better advantage of the lightweight nature as it affects the static and dynamic mechanical material properties.
View Article and Find Full Text PDFJ Vis Exp
February 2023
Center for Nanophase Materials Sciences, Oak Ridge National Laboratory;
Moon, T., Colletta, M., Kourkoutis, L.
View Article and Find Full Text PDFMaterials (Basel)
January 2023
Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, km 139.7, P-2695-066 Bobadela, Portugal.
Lithium niobate is a ferro- and piezoelectric material with excellent optical properties and a wide variety of applications. The defect structures of congruent and Mg-doped crystals are still under intense discussion. In this work, undoped lithium niobate and magnesium-doped lithium niobate grown from congruent melt with the addition of 0 to 9 mol% MgO were investigated by infrared absorption, establishing the dependence of the absorbance on the Mg-doping level in two bands related to OH- stretching vibrations.
View Article and Find Full Text PDFNanomaterials (Basel)
August 2022
Departamento de Física, Universidad Técnica Federico Santa María, Avenida España 1680, Valparaíso 2390123, Chile.
Magnetization-graded ferromagnetic nanostrips are proposed as potential prospects to channel spin waves. Here, a controlled reduction of the saturation magnetization enables the localization of the propagating magnetic excitations in the same way that light is controlled in an optical fiber with a varying refraction index. The theoretical approach is based on the dynamic matrix method, where the magnetic nanostrip is divided into small sub-strips.
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