Magnetic and dielectric properties of barium hexaferrite doped with praseodymium at different calcination temperatures have been investigated. Sol gel auto-combustion method was used to synthesize Ba1-xPrxCoxFe12-xO19 (x = 0.4). Fourier-transform infrared spectroscopy (FTIR), thermo-gravimetry a...

Catalytic effectiveness for the synthesis of ethane and ethylene from methane and carbon dioxide has been examined mainly at 1123 K over 14 lanthanide oxides. Praseodymium (Pr) and terbium oxides show high yield and high selectivity of C2 hydrocarbons among lanthanide oxides. The catalytic perfo...

Praseodymium-doped ceria (PDC, Ce0.9Pr0.1O2) electrolyte material for intermediate temperature solid oxide fuel cells (IT-SOFCs) has been successfully synthesised by EDTA-citrate method. From X-Ray diffraction (XRD), fluorite structure along with a crystallite size of 5.4 nm is obtained for PDC ...

Electron transport properties in praseodymium (Pr) foil samples were studied by elastic-peak electron spectroscopy (EPES). Prior to EPES measurements, the Pr sample surface was pre-sputtered by Ar ions with ion energy of 2–3 keV. After such treatment, the Pr sample still contained about 10 at.%...

The effects of lanthanum doping on the transport properties and oxygen exchange kinetics of Lax(Ce0.9Pr0.1)1−xO2−δ (x = 0, 0.1 and 0.2) have been investigated by electrical conductivity on bulk samples and optical relaxation on thin films respectively. Lanthanum substitution was observed to inc...

Preparation of SBA-15 supported palladium nanoparticles by H2-assisted chemical reduction of a new phenylic precursor dichloro(1,10-phenanthroline) palladium(II) with supercritical carbon dioxide deposition was studied in mild conditions. The solubility study of the precursor in supercritical ca...

TiO2 surface modified with both Pd nanoparticles and fluorides (F-TiO2/Pd) was prepared and applied as a photocatalyst in the degradation of urea. Various surface analysis techniques, including X-ray photoelectron spectroscopy, high-resolution transmission electron microscopy, and energy-dispers...

In the present research, nitrogen and palladium co-doped mesoporous titanium dioxide nanoparticles have been synthesized via evaporation induced self-assembly method using titanium tetraisopropoxide, as the precursor of titanium and Pluronic P123 as a surface directing agent. The physicochemical...

Herein, we reported a facile method to synthesize the nanostructured vanadium oxides by electrochemical deposition, followed by thermal treatment. Polymer surfactant was selected as a template agent to control the nanostructures. Nanorod-, nanoparticle- and platelet-structured vanadium oxides wi...

The oxidation of 2,3,6-trimethylphenol with molecular oxygen produced 2,3,5-trimethyl-1,4-benzoquinone (TMBQ) by using CuCl2 as the catalyst, however, it led to coupling when the catalyst was replaced by Cu(OAc)2. To gain deeper insight into the difference of the catalytic mechanism, the in-dept...

Dititanium trioxide (Ti2O3) films with thickness between 13 and 100 nm on glass substrates were prepared by electron beam gun evaporation at low temperature. They were characterized by transmittance absorbance and reflectance curves. The optical properties of film include band gap calculation, b...

Theoretical ab initio studies of the structure and electronic properties of two dititanium endofullerene isomers Ti2@C80 with D5d and D5h symmetry were carried out. For each configuration, optimized atomic structures were obtained using RHF-level (STO-3G∗ basis) calculations. The electronic stru...

In this paper, the preparation and characterization of crystalline terbium oxide via thermal decomposition of acetate precursor is reported. The decomposition pathway of the parent salt was followed using TGA, DTA, and in situ electrical conductivity in air and nitrogen atmospheres. The obtained...

The analytical usefulness of the combined use of laccase, terbium oxide nanoparticles (Tb4O7NPs) and 8-hydroxypyrene-3-sulphonate trisodium (HPTS) for the determination of polyphenol compounds in wine samples is described. The system is based on the temporal inhibition by polyphenols on the decr...

Herein, a sensitive and reliable fluorometric probe based on the molecular imprinted polymer capped terbium metal-organic frameworks ([email protected]) was introduced for the measurement of cefixime. The [email protected] composite was prepared by simple co-polymerization of definite monomers a...

Oxidation of indole and its derivatives in the Fenton system as a source of oxidising agents, in the presence of terbium(III) ions was studied by chemiluminescence methods to get the kinetic curves of emission decay and spectral distributions of chemiluminescence. Terbium(III) ions acted as a se...

The synthesis of inner transition metal nanoparticles via an ecofriendly route is quite difficult. This study, for the first time, reports synthesis of terbium oxide nanoparticles using fungus, Fusarium oxysporum. The biocompatible terbium oxide nanoparticles (Tb2O3 NPs) were synthesized by incu...

Nanostructured powders of terbium oxides were prepared by the thermal decomposition of terbium acetate at different temperatures. The powders were investigated by means of XRD, HRTEM, magnetic measurements, and IR spectroscopy. It has been found that the most likely composition of the oxides is ...

Terbium oxide doped molybdenum oxide (MoO3:Tb) nanostructures have successfully been grown by radio frequency (RF) magnetron sputtering. MoO3 nanostructures containing 1, 3, 5 and 7 wt% of terbium oxide are grown on glass substrates. X-ray diffraction (XRD) analysis shows that the MoO3:Tb nanost...

Glycine-nitrate self-propagating high-temperature synthesis was used to synthesize terbium oxide nanopowders whose phase transformations were investigated by methods of high-temperature differential scanning calorimetry, dilatometry, and X-ray diffraction analysis. The as-prepared powders consis...