An equimolar mixtures of starting ZnO and Cr2O3 powders were mechanically activated by grinding using a planetary ball mill for various periods of time (40-320min). Formation of nanocrystalline ZnCr2O4 as normal spine] structure at room temperature is detected in all samples-after ball-milling. A detailed XRD structural analysis (the relative phase abundances of different phases, lattice parameter changes, site occupancy, the average primary crystallite sizes, crystal lattice microstrains) is realized by the pattern decomposition technique, performed in accordance with the procedure based on Rietveld software KOALARIET-XFIT. Due to the importance of cation distribution on the chemical and physical properties of spinels, a study of site occupation factors of ZnCr2O4 spinels has been undertaken. The calculation based on the atomistic methods for the description of the perfect and defect spinel ZnCr2O4 crystal lattice is applied and the presence of the individual structural defects is det...ermined.
Keywords:
X-ray methods / spinels / milling / defects
Source:
Journal of the European Ceramic Society, 2005, 25, 12, 2081-2084
TY - JOUR
AU - Marinković-Stanojević, Zorica
AU - Mančić, Lidija T
AU - Vulić, Predrag
AU - Milošević, Olivera
PY - 2005
UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/113
AB - An equimolar mixtures of starting ZnO and Cr2O3 powders were mechanically activated by grinding using a planetary ball mill for various periods of time (40-320min). Formation of nanocrystalline ZnCr2O4 as normal spine] structure at room temperature is detected in all samples-after ball-milling. A detailed XRD structural analysis (the relative phase abundances of different phases, lattice parameter changes, site occupancy, the average primary crystallite sizes, crystal lattice microstrains) is realized by the pattern decomposition technique, performed in accordance with the procedure based on Rietveld software KOALARIET-XFIT. Due to the importance of cation distribution on the chemical and physical properties of spinels, a study of site occupation factors of ZnCr2O4 spinels has been undertaken. The calculation based on the atomistic methods for the description of the perfect and defect spinel ZnCr2O4 crystal lattice is applied and the presence of the individual structural defects is determined.
PB - Elsevier Sci Ltd, Oxford
T2 - Journal of the European Ceramic Society
T1 - Microstructural characterization of mechanically activated ZnO-Cr2O3 system
EP - 2084
IS - 12
SP - 2081
VL - 25
DO - 10.1016/j.jeurceramsoc.2005.03.085
ER -
@article{
author = "Marinković-Stanojević, Zorica and Mančić, Lidija T and Vulić, Predrag and Milošević, Olivera",
year = "2005",
abstract = "An equimolar mixtures of starting ZnO and Cr2O3 powders were mechanically activated by grinding using a planetary ball mill for various periods of time (40-320min). Formation of nanocrystalline ZnCr2O4 as normal spine] structure at room temperature is detected in all samples-after ball-milling. A detailed XRD structural analysis (the relative phase abundances of different phases, lattice parameter changes, site occupancy, the average primary crystallite sizes, crystal lattice microstrains) is realized by the pattern decomposition technique, performed in accordance with the procedure based on Rietveld software KOALARIET-XFIT. Due to the importance of cation distribution on the chemical and physical properties of spinels, a study of site occupation factors of ZnCr2O4 spinels has been undertaken. The calculation based on the atomistic methods for the description of the perfect and defect spinel ZnCr2O4 crystal lattice is applied and the presence of the individual structural defects is determined.",
publisher = "Elsevier Sci Ltd, Oxford",
journal = "Journal of the European Ceramic Society",
title = "Microstructural characterization of mechanically activated ZnO-Cr2O3 system",
pages = "2084-2081",
number = "12",
volume = "25",
doi = "10.1016/j.jeurceramsoc.2005.03.085"
}
Marinković-Stanojević, Z., Mančić, L. T., Vulić, P.,& Milošević, O.. (2005). Microstructural characterization of mechanically activated ZnO-Cr2O3 system. in Journal of the European Ceramic Society
Elsevier Sci Ltd, Oxford., 25(12), 2081-2084.
https://doi.org/10.1016/j.jeurceramsoc.2005.03.085
Marinković-Stanojević Z, Mančić LT, Vulić P, Milošević O. Microstructural characterization of mechanically activated ZnO-Cr2O3 system. in Journal of the European Ceramic Society. 2005;25(12):2081-2084.
doi:10.1016/j.jeurceramsoc.2005.03.085 .
Marinković-Stanojević, Zorica, Mančić, Lidija T, Vulić, Predrag, Milošević, Olivera, "Microstructural characterization of mechanically activated ZnO-Cr2O3 system" in Journal of the European Ceramic Society, 25, no. 12 (2005):2081-2084,
https://doi.org/10.1016/j.jeurceramsoc.2005.03.085 . .
