Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.

Detalhes bibliográficos
Autor(a) principal: Dias, Anderson
Data de Publicação: 2007
Outros Autores: Khalam, L. Abdul, Sebastian, Mailadil Thomas, Moreira, Roberto Luiz
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFOP
Texto Completo: http://www.repositorio.ufop.br/handle/123456789/931
Resumo: Raman spectroscopy was employed to investigate the structures and phonon modes of Ba2InTaO6 and Sr2InTaO6 ceramics. It was found that Ba-based samples belong to the tetragonal P4=mnc (#128 or D64hÞ space group, while Sr-based materials belong to the monoclinic P21=n (#14 or C52hÞ space group. Low-temperature measurements did not show any phase transition down to 77 K. Lorentzian lines were used to fit the experimental data, which presented 14 phonon modes for Ba2InTaO6 and 24 modes for Sr2InTaO6, in perfect agreement with the theoretical factor-group analyses for the proposed structures. This paper reports, for the first time, a tetragonal P4=mnc structure for an indium-containing perovskite material.
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spelling Dias, AndersonKhalam, L. AbdulSebastian, Mailadil ThomasMoreira, Roberto Luiz2012-07-03T13:22:49Z2012-07-03T13:22:49Z2007DIAS, A. et al. Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites. Journal of Solid State Chemistry, v. 180, n. 7, p. 2143-2148, jul. 2007. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0022459607002058>. Acesso em: 03 jul. 2012.00224596http://www.repositorio.ufop.br/handle/123456789/931Raman spectroscopy was employed to investigate the structures and phonon modes of Ba2InTaO6 and Sr2InTaO6 ceramics. It was found that Ba-based samples belong to the tetragonal P4=mnc (#128 or D64hÞ space group, while Sr-based materials belong to the monoclinic P21=n (#14 or C52hÞ space group. Low-temperature measurements did not show any phase transition down to 77 K. Lorentzian lines were used to fit the experimental data, which presented 14 phonon modes for Ba2InTaO6 and 24 modes for Sr2InTaO6, in perfect agreement with the theoretical factor-group analyses for the proposed structures. This paper reports, for the first time, a tetragonal P4=mnc structure for an indium-containing perovskite material.Crystal structuresIndiumRaman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleO Periódico Journal of Solid State Chemistry concede permissão para depósito deste artigo no Repositório Institucional da UFOP. Número da licença: 3333151357059.info:eu-repo/semantics/openAccessengreponame:Repositório Institucional da UFOPinstname:Universidade Federal de Ouro Preto (UFOP)instacron:UFOPLICENSElicense.txtlicense.txttext/plain; charset=utf-81748http://www.repositorio.ufop.br/bitstream/123456789/931/5/license.txt8a4605be74aa9ea9d79846c1fba20a33MD55ORIGINALARTIGO_RamanSpectroscopicInvestigation.pdfARTIGO_RamanSpectroscopicInvestigation.pdfapplication/pdf414028http://www.repositorio.ufop.br/bitstream/123456789/931/1/ARTIGO_RamanSpectroscopicInvestigation.pdfab42e3e0e57a34849e94156fb3f03ec6MD51123456789/9312019-02-25 09:54:06.536oai:localhost: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Repositório InstitucionalPUBhttp://www.repositorio.ufop.br/oai/requestrepositorio@ufop.edu.bropendoar:32332019-02-25T14:54:06Repositório Institucional da UFOP - Universidade Federal de Ouro Preto (UFOP)false
dc.title.pt_BR.fl_str_mv Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.
title Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.
spellingShingle Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.
Dias, Anderson
Crystal structures
Indium
title_short Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.
title_full Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.
title_fullStr Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.
title_full_unstemmed Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.
title_sort Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites.
author Dias, Anderson
author_facet Dias, Anderson
Khalam, L. Abdul
Sebastian, Mailadil Thomas
Moreira, Roberto Luiz
author_role author
author2 Khalam, L. Abdul
Sebastian, Mailadil Thomas
Moreira, Roberto Luiz
author2_role author
author
author
dc.contributor.author.fl_str_mv Dias, Anderson
Khalam, L. Abdul
Sebastian, Mailadil Thomas
Moreira, Roberto Luiz
dc.subject.por.fl_str_mv Crystal structures
Indium
topic Crystal structures
Indium
description Raman spectroscopy was employed to investigate the structures and phonon modes of Ba2InTaO6 and Sr2InTaO6 ceramics. It was found that Ba-based samples belong to the tetragonal P4=mnc (#128 or D64hÞ space group, while Sr-based materials belong to the monoclinic P21=n (#14 or C52hÞ space group. Low-temperature measurements did not show any phase transition down to 77 K. Lorentzian lines were used to fit the experimental data, which presented 14 phonon modes for Ba2InTaO6 and 24 modes for Sr2InTaO6, in perfect agreement with the theoretical factor-group analyses for the proposed structures. This paper reports, for the first time, a tetragonal P4=mnc structure for an indium-containing perovskite material.
publishDate 2007
dc.date.issued.fl_str_mv 2007
dc.date.accessioned.fl_str_mv 2012-07-03T13:22:49Z
dc.date.available.fl_str_mv 2012-07-03T13:22:49Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.citation.fl_str_mv DIAS, A. et al. Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites. Journal of Solid State Chemistry, v. 180, n. 7, p. 2143-2148, jul. 2007. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0022459607002058>. Acesso em: 03 jul. 2012.
dc.identifier.uri.fl_str_mv http://www.repositorio.ufop.br/handle/123456789/931
dc.identifier.issn.none.fl_str_mv 00224596
identifier_str_mv DIAS, A. et al. Raman-spectroscopic investigation of Ba2InTaO6 and Sr2InTaO6 perovskites. Journal of Solid State Chemistry, v. 180, n. 7, p. 2143-2148, jul. 2007. Disponível em: <https://www.sciencedirect.com/science/article/pii/S0022459607002058>. Acesso em: 03 jul. 2012.
00224596
url http://www.repositorio.ufop.br/handle/123456789/931
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reponame_str Repositório Institucional da UFOP
collection Repositório Institucional da UFOP
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http://www.repositorio.ufop.br/bitstream/123456789/931/1/ARTIGO_RamanSpectroscopicInvestigation.pdf
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