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http://hdl.handle.net/10261/216209
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Murrieta S, H. | - |
dc.contributor.author | López, F. J. | - |
dc.contributor.author | García-Solé, J. | - |
dc.contributor.author | Aguilar G, M. | - |
dc.contributor.author | Rubio O. J. | - |
dc.date.accessioned | 2020-07-08T09:20:46Z | - |
dc.date.available | 2020-07-08T09:20:46Z | - |
dc.date.issued | 1982-07-01 | - |
dc.identifier | doi: 10.1063/1.443640 | - |
dc.identifier | issn: 0021-9606 | - |
dc.identifier.citation | Journal of Chemical Physics 77: 189-194 (1982) | - |
dc.identifier.uri | http://hdl.handle.net/10261/216209 | - |
dc.description | 6 pags., 6 figs., 1 tab. | - |
dc.description.abstract | Precipitation of divalent strontium ions in NaCl has been investigated using Eu as a paramagnetic probe. The results presented in this paper show that the annealing of the quenched samples at 200 °C produces the formation of the precipitated dihalide phase SrCl in the NaCl matrix. The EPR data established that the Eu ions are located inside this precipitated structure and that they are substituting the host cation Sr ions. However, the observed EPR spectrum shows a significant difference with respect to that reported for the same impurity ion in SrCl single crystals, i.e., the value for the cubic spin-Hamiltonian parameter b is larger and its magnitude seems to decrease as the particle size of the precipitate increases. On the other hand, annealing of the quenched samples at room temperature produces another precipitated phase. In this case, the EPR data reveal that the Eu ions also occupy a cubic symmetry site in this precipitated structure. However, the value for the b parameter describing this cubic site is considerably smaller than the one measured for Eu in SrCl. Finally, an EPR spectrum, observed in the fast quenched samples, possessing axial symmetry and probably due to Sr -Eu-vacancy complexes is presented. Values for the spin-Hamiltonian parameters describing this new spectrum are also reported. © American Institute of Physics. | - |
dc.language | eng | - |
dc.publisher | American Institute of Physics | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | Divalent europium as a paramagnetic probe to study strontium precipitates in monocrystalline sodium chloride | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1063/1.443640 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1063/1.443640 | - |
dc.date.updated | 2020-07-08T09:20:47Z | - |
dc.relation.csic | No | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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Divalent europium.pdf | 755,55 kB | Adobe PDF | Visualizar/Abrir |
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