%0 Journal Article %1 WOS:000251371500010 %A Freire, F N A %A Rocha, H H B %A Santos, M R P %A Fechine, P B A %A Pereira, F M M %A Sohn, R S T M %A Vasconcelos, I F %A Sombra, A S B %C ONE NEW YORK PLAZA, SUITE 4600, NEW YORK, NY, UNITED STATES %D 2008 %I SPRINGER %J JOURNAL OF MATERIALS SCIENCE %K imported %N 1 %P 75-82 %R 10.1007/s10853-007-2091-y %T Structural studies of a new electroceramic composite: Pb(Fe0.5Nb0.5)O-3 (PFN)-Cr0.75Fe1.25O3(CRFO) %V 43 %X A study of the structural characteristics of the composites Pb(Fe0.5Nb0.5)O-3(PFN) (x) -Cr0.75Fe1.25O3(CRFO)(100-x) (x = 0 (CRFO100), 10, 50, 90, 100) was performed in this work. The compounds PFN100 and CRFO100 were prepared by conventional solid-state method and investigated by X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), and Fe-57 Mossbauer Spectroscopy techniques. The X-ray analysis shows that PFN100 is tetragonal and the CRFO100 phase has a trigonal symmetry. The refinement of all the composites was also performed and discussed in this paper. The Mossbauer spectrum for the composite samples shows a paramagnetic doublet and a sextet probably assigned to a magnetic phase associated to Fe+3. For the sample PFN100, only a magnetic field of 49.5 T (isomer shift (delta) = 0.21 mm/s) was detected. For the composite sample, the delta and delta are typical of Fe ions at sites of octahedral coordination.

@article{WOS:000251371500010, abstract = {A study of the structural characteristics of the composites [Pb(Fe0.5Nb0.5)O-3(PFN)] (x) -[Cr0.75Fe1.25O3(CRFO)](100-x) (x = 0 (CRFO100), 10, 50, 90, 100) was performed in this work. The compounds PFN100 and CRFO100 were prepared by conventional solid-state method and investigated by X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), and Fe-57 Mossbauer Spectroscopy techniques. The X-ray analysis shows that PFN100 is tetragonal and the CRFO100 phase has a trigonal symmetry. The refinement of all the composites was also performed and discussed in this paper. The Mossbauer spectrum for the composite samples shows a paramagnetic doublet and a sextet probably assigned to a magnetic phase associated to Fe+3. For the sample PFN100, only a magnetic field of 49.5 T (isomer shift (delta) = 0.21 mm/s) was detected. For the composite sample, the delta and delta are typical of Fe ions at sites of octahedral coordination.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {ONE NEW YORK PLAZA, SUITE 4600, NEW YORK, NY, UNITED STATES}, author = {Freire, F N A and Rocha, H H B and Santos, M R P and Fechine, P B A and Pereira, F M M and Sohn, R S T M and Vasconcelos, I F and Sombra, A S B}, biburl = {https://www.bibsonomy.org/bibtex/29d08b80ee782748f4c143ae370959856/ppgfis_ufc_br}, doi = {10.1007/s10853-007-2091-y}, interhash = {a8ad1dfd922da4e7f83da1c5fecc2ddd}, intrahash = {9d08b80ee782748f4c143ae370959856}, issn = {0022-2461}, journal = {JOURNAL OF MATERIALS SCIENCE}, keywords = {imported}, number = 1, pages = {75-82}, publisher = {SPRINGER}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Structural studies of a new electroceramic composite: Pb(Fe0.5Nb0.5)O-3 (PFN)-Cr0.75Fe1.25O3(CRFO)}, tppubtype = {article}, volume = 43, year = 2008 }