Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxides
- Autores
- Errico, Leonardo Antonio; Rentería, Mario; Pasquevich, Alberto Felipe; Bibiloni, Aníbal Guillermo; Freitag, Kristian
- Año de publicación
- 2001
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The time-differential-perturbed γ-γ angular-correlation technique (TDPAC) with ion-implanted ¹⁸¹Hf tracers has been applied to study the hyperfine interactions of ¹⁸¹Ta impurities in the cubic bixbyite structure of Er₂O₃ and Gd₂O₃. The TDPAC experiments were performed in air in the temperature range 300-1073 K (in the case of Er₂O₃) and 300-1173 K (in the case of Gd₂O₃). Three electrical-quadrupole interactions were found in each oxide in the whole studied temperature range. Two of them were attributed to the electric-field gradients (EFG) acting on ¹⁸¹Ta probes substitutionally located on the two nonequivalent free-of-defects cation sites of the bixbyite structure. The EFG results are compared with predictions of the point-charge model and discussed together with previous results obtained with the probes ¹¹¹Cd and ¹⁸¹Ta in other isomorphous sesquioxides. The temperature dependence of the hyperfine parameters for both oxides is also discussed in terms of dilatometric expansion data.
Instituto de Física La Plata - Materia
-
Ciencias Exactas
Física
Doping and impurity implantation in other materials
Mössbauer effect; other gamma-ray spectroscopy
Nuclear states and interactions - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by/4.0/
- Repositorio
.jpg)
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/146300
Ver los metadatos del registro completo
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Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxidesErrico, Leonardo AntonioRentería, MarioPasquevich, Alberto FelipeBibiloni, Aníbal GuillermoFreitag, KristianCiencias ExactasFísicaDoping and impurity implantation in other materialsMössbauer effect; other gamma-ray spectroscopyNuclear states and interactionsThe time-differential-perturbed γ-γ angular-correlation technique (TDPAC) with ion-implanted ¹⁸¹Hf tracers has been applied to study the hyperfine interactions of ¹⁸¹Ta impurities in the cubic bixbyite structure of Er₂O₃ and Gd₂O₃. The TDPAC experiments were performed in air in the temperature range 300-1073 K (in the case of Er₂O₃) and 300-1173 K (in the case of Gd₂O₃). Three electrical-quadrupole interactions were found in each oxide in the whole studied temperature range. Two of them were attributed to the electric-field gradients (EFG) acting on ¹⁸¹Ta probes substitutionally located on the two nonequivalent free-of-defects cation sites of the bixbyite structure. The EFG results are compared with predictions of the point-charge model and discussed together with previous results obtained with the probes ¹¹¹Cd and ¹⁸¹Ta in other isomorphous sesquioxides. The temperature dependence of the hyperfine parameters for both oxides is also discussed in terms of dilatometric expansion data.Instituto de Física La Plata2001-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf149-156http://sedici.unlp.edu.ar/handle/10915/146300enginfo:eu-repo/semantics/altIdentifier/issn/1434-6028info:eu-repo/semantics/altIdentifier/issn/1434-6036info:eu-repo/semantics/altIdentifier/doi/10.1007/pl00011141info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International (CC BY 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T17:13:30Zoai:sedici.unlp.edu.ar:10915/146300Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 17:13:31.187SEDICI (UNLP) - Universidad Nacional de La Platafalse |
| dc.title.none.fl_str_mv |
Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxides |
| title |
Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxides |
| spellingShingle |
Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxides Errico, Leonardo Antonio Ciencias Exactas Física Doping and impurity implantation in other materials Mössbauer effect; other gamma-ray spectroscopy Nuclear states and interactions |
| title_short |
Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxides |
| title_full |
Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxides |
| title_fullStr |
Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxides |
| title_full_unstemmed |
Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxides |
| title_sort |
Hyperfine interactions at ¹⁸¹Hf(→¹⁸¹Ta) impurities implanted in Er₂O₃ and Gd₂O₃: structural and electronic dependence of the EFG in bixbyite sesquioxides |
| dc.creator.none.fl_str_mv |
Errico, Leonardo Antonio Rentería, Mario Pasquevich, Alberto Felipe Bibiloni, Aníbal Guillermo Freitag, Kristian |
| author |
Errico, Leonardo Antonio |
| author_facet |
Errico, Leonardo Antonio Rentería, Mario Pasquevich, Alberto Felipe Bibiloni, Aníbal Guillermo Freitag, Kristian |
| author_role |
author |
| author2 |
Rentería, Mario Pasquevich, Alberto Felipe Bibiloni, Aníbal Guillermo Freitag, Kristian |
| author2_role |
author author author author |
| dc.subject.none.fl_str_mv |
Ciencias Exactas Física Doping and impurity implantation in other materials Mössbauer effect; other gamma-ray spectroscopy Nuclear states and interactions |
| topic |
Ciencias Exactas Física Doping and impurity implantation in other materials Mössbauer effect; other gamma-ray spectroscopy Nuclear states and interactions |
| dc.description.none.fl_txt_mv |
The time-differential-perturbed γ-γ angular-correlation technique (TDPAC) with ion-implanted ¹⁸¹Hf tracers has been applied to study the hyperfine interactions of ¹⁸¹Ta impurities in the cubic bixbyite structure of Er₂O₃ and Gd₂O₃. The TDPAC experiments were performed in air in the temperature range 300-1073 K (in the case of Er₂O₃) and 300-1173 K (in the case of Gd₂O₃). Three electrical-quadrupole interactions were found in each oxide in the whole studied temperature range. Two of them were attributed to the electric-field gradients (EFG) acting on ¹⁸¹Ta probes substitutionally located on the two nonequivalent free-of-defects cation sites of the bixbyite structure. The EFG results are compared with predictions of the point-charge model and discussed together with previous results obtained with the probes ¹¹¹Cd and ¹⁸¹Ta in other isomorphous sesquioxides. The temperature dependence of the hyperfine parameters for both oxides is also discussed in terms of dilatometric expansion data. Instituto de Física La Plata |
| description |
The time-differential-perturbed γ-γ angular-correlation technique (TDPAC) with ion-implanted ¹⁸¹Hf tracers has been applied to study the hyperfine interactions of ¹⁸¹Ta impurities in the cubic bixbyite structure of Er₂O₃ and Gd₂O₃. The TDPAC experiments were performed in air in the temperature range 300-1073 K (in the case of Er₂O₃) and 300-1173 K (in the case of Gd₂O₃). Three electrical-quadrupole interactions were found in each oxide in the whole studied temperature range. Two of them were attributed to the electric-field gradients (EFG) acting on ¹⁸¹Ta probes substitutionally located on the two nonequivalent free-of-defects cation sites of the bixbyite structure. The EFG results are compared with predictions of the point-charge model and discussed together with previous results obtained with the probes ¹¹¹Cd and ¹⁸¹Ta in other isomorphous sesquioxides. The temperature dependence of the hyperfine parameters for both oxides is also discussed in terms of dilatometric expansion data. |
| publishDate |
2001 |
| dc.date.none.fl_str_mv |
2001-07 |
| dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Articulo http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
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article |
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publishedVersion |
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http://sedici.unlp.edu.ar/handle/10915/146300 |
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eng |
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eng |
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info:eu-repo/semantics/altIdentifier/issn/1434-6028 info:eu-repo/semantics/altIdentifier/issn/1434-6036 info:eu-repo/semantics/altIdentifier/doi/10.1007/pl00011141 |
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openAccess |
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http://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International (CC BY 4.0) |
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