Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatment

Detalhes bibliográficos
Autor(a) principal: Dakhel,A. A.
Data de Publicação: 2016
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Materials research (São Carlos. Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392016000200379
Resumo: Cadmium oxide powder doped with Tb ions was synthesised by thermal decomposition of cadmium Hydroxychloride Cd(OH)Cl. The molar content of Tb is 2.6%. The purpose of the present study is to tailoring room-temperature ferromagnetic (RT-FM) properties to CdO in order to use it in the field of dilute magnetic semiconductors (DMS). The samples characterised by X-ray fluorescence (XRF) and X-ray diffraction (XRD). The optical band gap of the prepared powders was determined by diffuse reflection spectroscopy (DRS). Terbium ions doped in CdO are employed as source of FM properties. The electronic medium of Spin-Spin interaction in host CdO is studied by annealing in hydrogen atmosphere. Magnetic measurements reveal that Tb-doped CdO powder behaves as paramagnet defeating the intrinsic diamagnetic behaviour of CdO. However, after annealing in hydrogen atmosphere, RT-FM properties were created. Thus, it was proved that magnetic properties could be tailored by doping and post treatment under H2 atmosphere.
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spelling Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatmentTb-doped CdORoom-temperature ferromagnetismHydrogen treatmentCadmium oxide powder doped with Tb ions was synthesised by thermal decomposition of cadmium Hydroxychloride Cd(OH)Cl. The molar content of Tb is 2.6%. The purpose of the present study is to tailoring room-temperature ferromagnetic (RT-FM) properties to CdO in order to use it in the field of dilute magnetic semiconductors (DMS). The samples characterised by X-ray fluorescence (XRF) and X-ray diffraction (XRD). The optical band gap of the prepared powders was determined by diffuse reflection spectroscopy (DRS). Terbium ions doped in CdO are employed as source of FM properties. The electronic medium of Spin-Spin interaction in host CdO is studied by annealing in hydrogen atmosphere. Magnetic measurements reveal that Tb-doped CdO powder behaves as paramagnet defeating the intrinsic diamagnetic behaviour of CdO. However, after annealing in hydrogen atmosphere, RT-FM properties were created. Thus, it was proved that magnetic properties could be tailored by doping and post treatment under H2 atmosphere.ABM, ABC, ABPol2016-04-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392016000200379Materials Research v.19 n.2 2016reponame:Materials research (São Carlos. Online)instname:Universidade Federal de São Carlos (UFSCAR)instacron:ABM ABC ABPOL10.1590/1980-5373-MR-2015-0404info:eu-repo/semantics/openAccessDakhel,A. A.eng2016-04-01T00:00:00Zoai:scielo:S1516-14392016000200379Revistahttp://www.scielo.br/mrPUBhttps://old.scielo.br/oai/scielo-oai.phpdedz@power.ufscar.br1980-53731516-1439opendoar:2016-04-01T00:00Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)false
dc.title.none.fl_str_mv Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatment
title Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatment
spellingShingle Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatment
Dakhel,A. A.
Tb-doped CdO
Room-temperature ferromagnetism
Hydrogen treatment
title_short Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatment
title_full Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatment
title_fullStr Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatment
title_full_unstemmed Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatment
title_sort Defect-induced ferromagnetic properties of Tb-doped CdO synthesized via Cd Hydroxychloride: Effect of hydrogen post treatment
author Dakhel,A. A.
author_facet Dakhel,A. A.
author_role author
dc.contributor.author.fl_str_mv Dakhel,A. A.
dc.subject.por.fl_str_mv Tb-doped CdO
Room-temperature ferromagnetism
Hydrogen treatment
topic Tb-doped CdO
Room-temperature ferromagnetism
Hydrogen treatment
description Cadmium oxide powder doped with Tb ions was synthesised by thermal decomposition of cadmium Hydroxychloride Cd(OH)Cl. The molar content of Tb is 2.6%. The purpose of the present study is to tailoring room-temperature ferromagnetic (RT-FM) properties to CdO in order to use it in the field of dilute magnetic semiconductors (DMS). The samples characterised by X-ray fluorescence (XRF) and X-ray diffraction (XRD). The optical band gap of the prepared powders was determined by diffuse reflection spectroscopy (DRS). Terbium ions doped in CdO are employed as source of FM properties. The electronic medium of Spin-Spin interaction in host CdO is studied by annealing in hydrogen atmosphere. Magnetic measurements reveal that Tb-doped CdO powder behaves as paramagnet defeating the intrinsic diamagnetic behaviour of CdO. However, after annealing in hydrogen atmosphere, RT-FM properties were created. Thus, it was proved that magnetic properties could be tailored by doping and post treatment under H2 atmosphere.
publishDate 2016
dc.date.none.fl_str_mv 2016-04-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392016000200379
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392016000200379
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1980-5373-MR-2015-0404
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv ABM, ABC, ABPol
publisher.none.fl_str_mv ABM, ABC, ABPol
dc.source.none.fl_str_mv Materials Research v.19 n.2 2016
reponame:Materials research (São Carlos. Online)
instname:Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
instname_str Universidade Federal de São Carlos (UFSCAR)
instacron_str ABM ABC ABPOL
institution ABM ABC ABPOL
reponame_str Materials research (São Carlos. Online)
collection Materials research (São Carlos. Online)
repository.name.fl_str_mv Materials research (São Carlos. Online) - Universidade Federal de São Carlos (UFSCAR)
repository.mail.fl_str_mv dedz@power.ufscar.br
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