XRD patterns of CaTiO3 synthesized through different methods
The structures and compositions of CaTiO3 samples synthesized by solid state, sol–gel, and hydrothermal methods were characterized by various means such as X-ray diffractometer, scanning electron...
A review on CaTiO3 photocatalyst: Activity enhancement methods and ...
2021年8月1日 · XRD and Raman spectra results reveal that increasing the microwave irradiations time i.e. on moving from CT10 to CT30, crystallite size was found to decrease, which in turn increases the lattice strain and dislocation density. SEM images predicts the formation of homogenously distributed truncated nanospheres.
XRD pattern of CaTiO3 nanoparticles (sample 1) - ResearchGate
XRD data revealed the formation of single-phase CaTiO3 and a distortion of the TiO6 octahedra, accompanied by displacement of the A-site cations resulting in an orthorhombic Pbnm structure.
Effect of calcination temperature on structural, optical and ...
2024年7月1日 · In this study, the sol–gel method was used to synthesize calcium titanate (CaTiO 3) at different calcination temperatures (400–800 °C). The main objective of this work is to find, using various characterization techniques, how the calcination temperature influences the optical, structural, and photocatalytic properties of CaTiO 3.
XRD patterns of CaTiO3 (a). Irradiated for 10 min (CT10) (b ...
XRD patterns of the CaTiO3 nanomaterials are presented in Fig.1. The observed peaks of the samples (CT10, CT20 and CT30) correspond to primary phase of perovskite structure and orthorhombic ...
Lattice vibrational characteristics and dielectric properties of …
2020年9月9日 · CaTiO 3 perovskite ceramic was manufactured via a traditional two-step sintering process at 1280 °C for 4 h, which was characterized by XRD as a pure phase CaTiO 3 with orthorhombic structure and high crystallinity. SEM image demonstrated that the specimen possesses clear grain boundaries and uniform grain size.
Preparation and characterization of calcium titanate nanoparticles …
2016年11月7日 · Various techniques including EDS, XRD, UV–Vis diffuse reflectance spectroscopy, and SEM were applied to characterize the structural and optical properties of the as-obtained CaTiO 3 nanoparticles. According to the vibrating sample magnetometer result, CaTiO 3 nanoparticles indicated a ferromagnetic behavior at room temperature.
Synthesis of Lead-Free CaTiO3 Oxide Perovskite Film through
2021年9月7日 · This paper reports the synthesis of lead-free calcium titanate perovskite (CaTiO3) using a solution-processed combustion method. The chemical and morphological properties of CaTiO3 were examined as a function of its thickness by scanning electron microscopy, X-ray diffraction (XRD), atomic force microscopy, X-ray photoelectron spectroscopy, and ...
Effect of annealing temperatures on the structural and crystalline ...
2021年1月1日 · The size of the perovskite CaTiO3 crystallites increases 93.4851 to 133.4875 nm when the calcination temperature is raised from 700 °C to 1200 °C. It is also shown by the XRD patterns in Fig. 2 where the peaks become narrower as the calcination temperature increases resulting in the increase of average crystallite size.
Facile synthesis of Eu-doped CaTiO3 and their enhanced
2020年3月4日 · The present work focused on the synthesis of perovskite type of CaTiO3 and Eu-doped CaTiO3 via simple wet chemical method. The prepared samples were characterized using various spectral and analytical techniques, viz., XRD, FT-IR, SEM, EDX, UV-DRS, and HR-TEM.