%0 Journal Article %1 WOS:000243925700014 %A Gouveia, Daniel X %A Ferreira, Odair P %A Filho, Antonio G Souza %A da Silva, M G %A de Paiva, J A C %A Alves, Oswaldo L %A Filho, Josue Mendes %C 233 SPRING ST, NEW YORK, NY 10013 USA %D 2007 %I SPRINGER %J JOURNAL OF MATERIALS SCIENCE %K imported %N 2 %P 534-538 %R 10.1007/s10853-006-1143-z %T Probing the thermal decomposition process of layered double hydroxides through in situ Fe-57 Mossbauer and in situ X-ray diffraction experiments %V 42 %X The thermal decomposition properties of Mg-Fe hydrotalcites were studied through in situ Fe-57 Mossbauer spectroscopy and in situ X-ray diffraction. Abrupt changes in the quadrupolar splitting measured in the Mossbauer spectra revealed a phase transition from the starting lamellar structure to a new crystalline arrangement. By analyzing the Mossbauer parameters we show that the material is highly disordered in the 300-400 degrees C temperature range. This hypothesis is confirmed by the X-ray results whose diffractograms indicated the collapse of the lamellar structure and the formation of a solid solution.

@article{WOS:000243925700014, abstract = {The thermal decomposition properties of Mg-Fe hydrotalcites were studied through in situ Fe-57 Mossbauer spectroscopy and in situ X-ray diffraction. Abrupt changes in the quadrupolar splitting measured in the Mossbauer spectra revealed a phase transition from the starting lamellar structure to a new crystalline arrangement. By analyzing the Mossbauer parameters we show that the material is highly disordered in the 300-400 degrees C temperature range. This hypothesis is confirmed by the X-ray results whose diffractograms indicated the collapse of the lamellar structure and the formation of a solid solution.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {233 SPRING ST, NEW YORK, NY 10013 USA}, author = {Gouveia, Daniel X and Ferreira, Odair P and Filho, Antonio G Souza and da Silva, M G and de Paiva, J A C and Alves, Oswaldo L and Filho, Josue Mendes}, biburl = {https://www.bibsonomy.org/bibtex/2dcc2827840c678fdf2e5bf74b03ff668/ppgfis_ufc_br}, doi = {10.1007/s10853-006-1143-z}, interhash = {a0edf70accea296a7f59ac69a4400d1e}, intrahash = {dcc2827840c678fdf2e5bf74b03ff668}, issn = {0022-2461}, journal = {JOURNAL OF MATERIALS SCIENCE}, keywords = {imported}, number = 2, pages = {534-538}, publisher = {SPRINGER}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Probing the thermal decomposition process of layered double hydroxides through in situ Fe-57 Mossbauer and in situ X-ray diffraction experiments}, tppubtype = {article}, volume = 42, year = 2007 }