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7 Μαΐ 2019 · ZrO2 film exhibits the relatively high dielectric constant of 32.57 at 100 kHz and the low leakage current density of 3.3 × 10−6 A cm−2 at 1 MV/cm. High-k metal oxide films are vital for the future development of microelectronics technology.
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ZrO2 is Baddeleyite structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Zr4+ is bonded to seven O2- atoms to form a mixture of distorted corner and edge-sharing ZrO7 pentagonal bipyramids.
16 Απρ 2020 · The structural properties of ZrO 2 nanopowder are studied through the X-ray diffractometer (Rigaku, Ultima-IV). The surface morphology and size of nanoparticles is investigated through Field Emission Scanning Electron Microscopy (JEOL,JSM-7100F).
It covers the stabilisation or zirconia to produce optimal properties and details several applications for the material such as blades, seals, valves, pumps, implants, refractories and electronics. This article provides a detailed overview on zirconia.
ZrO2 crystallizes in the tetragonal P4_2/nmc space group. The structure is three-dimensional. Zr4+ is bonded in a distorted body-centered cubic geometry to eight equivalent O2- atoms.
15 Απρ 2017 · The structural, mechanical and thermodynamic properties of ZrO 2 polymorphs (namely, monoclinic (P 2 1/c), tetragonal (P 4 2/nmc), cubic (F m 3 ¯ m), and orthorhombic (Pbca and Pnma)) are investigated systematically by employing DFT functionals (LDA, PBE and PW91).
15 Οκτ 2023 · Studies on structural and optical properties of ZrO2 nanopowder for opto-electronic applications
