Effect of BTO addition on the structural and magnetoresistive properties of LSMO

Studies on characteristic properties of superparamagnetic La 0.67 Sr 0.33−x K x MnO 3 nanoparticles

“…The data were analyzed using the Rietveld refinement technique[13] with the help of FullProf software. The obtained results are shown in the same figures, which show an excellent agreement in the observed ‫ܫ(‬ ௦ ) and calculated ‫ܫ(‬ ) diffraction profiles with no unindexed peaks.…”

Synthesis and characterization of LSMO manganite-based biocomposite

“…In case of manganites, the long-range, orderly arrangement of Mn-O-Mn bonds is destroyed and the bonds form clusters. [8] Upon zero-field cooling the clusters freeze into random orientations and the response depends on the competition between the random local magnetization orientations of the individual clusters and the applied magnetic field. When cooling is done in the presence of a field the clusters align, leading to the onset of a large ferromagnetic-type magnetization.…”

“…Stoichiometric amounts of the nitrate reagents (La(NO 3 ) 3 Á6H 2 O, Mn(NO 3 ) 2 Á4H 2 O and Sr(NO 3 ) 2 ) were dissolved in water and mixed with ethylene glycol and citric acid, forming a stable solution. [8] Drops of ammonia water were added to the solution to increase its pH value to 7. The solution was then heated under constant stirring at 80 C to eliminate the excess water and to obtain a viscous gel.…”

Large magnetocaloric effect near room temperature in $${\mathbf{L}\mathbf{a}}_{0.67}{(\mathbf{S}\mathbf{r},\mathbf{K}/\mathbf{P}\mathbf{b})}_{0.33}{\mathbf{M}\mathbf{n}\mathbf{O}}_{3}$$ manganite nanomaterials

“…The X-ray diffraction (XRD) patterns of the grown samples were studied using Rigaku diffractometer (Model: CM200) with CuK a radiation, for the angles 2h ¼ 20 to 80 with a step size of 0:02 . The analysis of the XRD data was carried out with the help of Rietveld refinement technique [36] using FullProf software. The surface morphology of the samples was analyzed using a field emission scanning electron microscope (FESEM) (Model: ZEISS ULTRA S5).…”