Sample sintered at 600 °C contains Mn2O3 tetragonal phase (filled circle), Sr hexagonal phase (filled diamond), and SrMnO3 perovskite phase (filled heart) In this paper, we present a series of...

Layered oxides are promising cathode materials for sodium-ion batteries because of their high theoretical capacities. However, many of these layered materials experience severe capacity decay...

2022年1月1日 · Pure and Ca substituted SrMnO 3 nanoparticles have been prepared by sol-gel hydrothermal method. Structural, micro structural, elemental, functional, optical, electrical and thermoelectric properties have been investigated by XRD, Raman, SEM with EDAX, FTIR, UV–Vis Spectroscopy and Physical properties respectively.

SrMnO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Sr2+ is bonded to twelve equivalent O2- atoms to form SrO12 cuboctahedra that share corners with twelve equivalent SrO12 cuboctahedra, faces with six equivalent SrO12 cuboctahedra, and faces with eight equivalent MnO6 ...

2023年12月15日 · The XRD measurement of SrMnO 3 ceramic sample is shown in Fig. 1. The position of diffraction peaks of the SrMnO 3 is well matched with that of a four-layer hexagonal structure (space group P6 3 /mmc) in Ref. [21, 22]. This XRD result proves that the single-phase SrMnO 3 sample with hexagonal structure has been successfully synthesized. The ...

Transition metals (copper and nickel) substituted SrMnO3 are synthesised by the solid-state reaction method. The substitution is expected to create oxygen vacancies in SrMnO3, increasing the ...

2021年8月1日 · Our XRD results indicated that Al 2 O 3 additives easily produced a hexagonal SrAl 2 O 4 phase (Fig. 2). In the proximity of the secondary SrAl 2 O 4, the primary SrMnO 3 could become Sr-deficient with loss of Sr 2+ ions.

Browse many computed properties for this orthorhombic SrMnO3 compound, including formation energy from the elements, energy of decomposition into the set of most stable materials at this chemical composition, bulk crystalline density, and band gap. Also known as: Strontium manganate(IV) - LT.

XRD analysis, which is the useful technique for assessment of crystalline structure, was employed to investigate the synthesized SrMnO3 nanostructures. Fig. 3 show the XRD pattern of the SrMnO3 nanostructure prepared with Mn(NO3)2 and Sr(NO3)2 precursors. The XRD results for sample 5 before and after calcination are shown in Fig. 3.

Measurements 2.2.1. XRD studies The X-ray powder diffraction (XRD) measurements have been carried out using the PANalytical X’Pert PRO diffractometer with Cu Ka radiation (λ D 1.54056 A), and with continuous flow cryostat in the temperature range from 80 to 500 K (Sr0.5Ba0.5MnO3). The data were collected on heating.