Structural refinement, morphological and electrical properties of BaZrO

In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurem...
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Autor*in:	Monteiro, D.A. [verfasserIn] Costa, M.M. [verfasserIn] Bento, R.R.F. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Perovskites Impedance spectroscopy XRD Lead-free ceramics

Übergeordnetes Werk:	Enthalten in: Journal of alloys and compounds - Lausanne : Elsevier, 1991, 868
Übergeordnetes Werk:	volume:868

DOI / URN:	10.1016/j.jallcom.2021.159221

Katalog-ID:	ELV00577697X

Internformat


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520			\|a In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurements (SEM) and Impedance spectroscopy, in order to produce a novel material lead-free due to environmental concern. XRD measurements with the Rietveld refinement technique confirmed that BaZrO3 ceramics have a perovskite-type cubic structure for all different molar ratio studied. In the higher composition of BaZrO3, the perovskite phase symmetry was refined with a single cubic structural based on BaZrO3 code ICSD-27048. For other compositions it was possible to add a second structure regarding the BaO cubic element, which seems to be a remnant phase in the matrices. Impedance Spectroscopy (IS) measurements revealed that BaZrO3:Bi(Zn1/2Ti1/2)O3 content increased the materials’ conductivity. Two conduction mechanisms occur on the matrices: grain and grain boundaries regarding high and low frequencies, respectively. SEM was carried out and confirmed the density of the ceramic materials.
650		4	\|a Perovskites
650		4	\|a Impedance spectroscopy
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650		4	\|a Lead-free ceramics
700	1		\|a Costa, M.M. \|e verfasserin \|4 aut
700	1		\|a Bento, R.R.F. \|e verfasserin \|4 aut
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publishDate	2021
allfields	10.1016/j.jallcom.2021.159221 doi (DE-627)ELV00577697X (ELSEVIER)S0925-8388(21)00629-0 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Monteiro, D.A. verfasserin aut Structural refinement, morphological and electrical properties of BaZrO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurements (SEM) and Impedance spectroscopy, in order to produce a novel material lead-free due to environmental concern. XRD measurements with the Rietveld refinement technique confirmed that BaZrO3 ceramics have a perovskite-type cubic structure for all different molar ratio studied. In the higher composition of BaZrO3, the perovskite phase symmetry was refined with a single cubic structural based on BaZrO3 code ICSD-27048. For other compositions it was possible to add a second structure regarding the BaO cubic element, which seems to be a remnant phase in the matrices. Impedance Spectroscopy (IS) measurements revealed that BaZrO3:Bi(Zn1/2Ti1/2)O3 content increased the materials’ conductivity. Two conduction mechanisms occur on the matrices: grain and grain boundaries regarding high and low frequencies, respectively. SEM was carried out and confirmed the density of the ceramic materials. Perovskites Impedance spectroscopy XRD Lead-free ceramics Costa, M.M. verfasserin aut Bento, R.R.F. verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 868 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:868 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 868
spelling	10.1016/j.jallcom.2021.159221 doi (DE-627)ELV00577697X (ELSEVIER)S0925-8388(21)00629-0 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Monteiro, D.A. verfasserin aut Structural refinement, morphological and electrical properties of BaZrO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurements (SEM) and Impedance spectroscopy, in order to produce a novel material lead-free due to environmental concern. XRD measurements with the Rietveld refinement technique confirmed that BaZrO3 ceramics have a perovskite-type cubic structure for all different molar ratio studied. In the higher composition of BaZrO3, the perovskite phase symmetry was refined with a single cubic structural based on BaZrO3 code ICSD-27048. For other compositions it was possible to add a second structure regarding the BaO cubic element, which seems to be a remnant phase in the matrices. Impedance Spectroscopy (IS) measurements revealed that BaZrO3:Bi(Zn1/2Ti1/2)O3 content increased the materials’ conductivity. Two conduction mechanisms occur on the matrices: grain and grain boundaries regarding high and low frequencies, respectively. SEM was carried out and confirmed the density of the ceramic materials. Perovskites Impedance spectroscopy XRD Lead-free ceramics Costa, M.M. verfasserin aut Bento, R.R.F. verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 868 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:868 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 868
allfields_unstemmed	10.1016/j.jallcom.2021.159221 doi (DE-627)ELV00577697X (ELSEVIER)S0925-8388(21)00629-0 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Monteiro, D.A. verfasserin aut Structural refinement, morphological and electrical properties of BaZrO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurements (SEM) and Impedance spectroscopy, in order to produce a novel material lead-free due to environmental concern. XRD measurements with the Rietveld refinement technique confirmed that BaZrO3 ceramics have a perovskite-type cubic structure for all different molar ratio studied. In the higher composition of BaZrO3, the perovskite phase symmetry was refined with a single cubic structural based on BaZrO3 code ICSD-27048. For other compositions it was possible to add a second structure regarding the BaO cubic element, which seems to be a remnant phase in the matrices. Impedance Spectroscopy (IS) measurements revealed that BaZrO3:Bi(Zn1/2Ti1/2)O3 content increased the materials’ conductivity. Two conduction mechanisms occur on the matrices: grain and grain boundaries regarding high and low frequencies, respectively. SEM was carried out and confirmed the density of the ceramic materials. Perovskites Impedance spectroscopy XRD Lead-free ceramics Costa, M.M. verfasserin aut Bento, R.R.F. verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 868 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:868 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 868
allfieldsGer	10.1016/j.jallcom.2021.159221 doi (DE-627)ELV00577697X (ELSEVIER)S0925-8388(21)00629-0 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Monteiro, D.A. verfasserin aut Structural refinement, morphological and electrical properties of BaZrO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurements (SEM) and Impedance spectroscopy, in order to produce a novel material lead-free due to environmental concern. XRD measurements with the Rietveld refinement technique confirmed that BaZrO3 ceramics have a perovskite-type cubic structure for all different molar ratio studied. In the higher composition of BaZrO3, the perovskite phase symmetry was refined with a single cubic structural based on BaZrO3 code ICSD-27048. For other compositions it was possible to add a second structure regarding the BaO cubic element, which seems to be a remnant phase in the matrices. Impedance Spectroscopy (IS) measurements revealed that BaZrO3:Bi(Zn1/2Ti1/2)O3 content increased the materials’ conductivity. Two conduction mechanisms occur on the matrices: grain and grain boundaries regarding high and low frequencies, respectively. SEM was carried out and confirmed the density of the ceramic materials. Perovskites Impedance spectroscopy XRD Lead-free ceramics Costa, M.M. verfasserin aut Bento, R.R.F. verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 868 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:868 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 868
allfieldsSound	10.1016/j.jallcom.2021.159221 doi (DE-627)ELV00577697X (ELSEVIER)S0925-8388(21)00629-0 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Monteiro, D.A. verfasserin aut Structural refinement, morphological and electrical properties of BaZrO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurements (SEM) and Impedance spectroscopy, in order to produce a novel material lead-free due to environmental concern. XRD measurements with the Rietveld refinement technique confirmed that BaZrO3 ceramics have a perovskite-type cubic structure for all different molar ratio studied. In the higher composition of BaZrO3, the perovskite phase symmetry was refined with a single cubic structural based on BaZrO3 code ICSD-27048. For other compositions it was possible to add a second structure regarding the BaO cubic element, which seems to be a remnant phase in the matrices. Impedance Spectroscopy (IS) measurements revealed that BaZrO3:Bi(Zn1/2Ti1/2)O3 content increased the materials’ conductivity. Two conduction mechanisms occur on the matrices: grain and grain boundaries regarding high and low frequencies, respectively. SEM was carried out and confirmed the density of the ceramic materials. Perovskites Impedance spectroscopy XRD Lead-free ceramics Costa, M.M. verfasserin aut Bento, R.R.F. verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 868 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:868 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 868
language	English
source	Enthalten in Journal of alloys and compounds 868 volume:868
sourceStr	Enthalten in Journal of alloys and compounds 868 volume:868
format_phy_str_mv	Article
bklname	Nichteisenmetalle und ihre Legierungen Festkörperphysik Festkörperchemie
institution	findex.gbv.de
topic_facet	Perovskites Impedance spectroscopy XRD Lead-free ceramics
dewey-raw	670
isfreeaccess_bool	false
container_title	Journal of alloys and compounds
authorswithroles_txt_mv	Monteiro, D.A. @@aut@@ Costa, M.M. @@aut@@ Bento, R.R.F. @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	320504646
dewey-sort	3670
id	ELV00577697X
language_de	englisch
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author	Monteiro, D.A.
spellingShingle	Monteiro, D.A. ddc 670 bkl 51.54 bkl 33.61 bkl 35.90 misc Perovskites misc Impedance spectroscopy misc XRD misc Lead-free ceramics Structural refinement, morphological and electrical properties of BaZrO
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topic_title	670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Structural refinement, morphological and electrical properties of BaZrO Perovskites Impedance spectroscopy XRD Lead-free ceramics
topic	ddc 670 bkl 51.54 bkl 33.61 bkl 35.90 misc Perovskites misc Impedance spectroscopy misc XRD misc Lead-free ceramics
topic_unstemmed	ddc 670 bkl 51.54 bkl 33.61 bkl 35.90 misc Perovskites misc Impedance spectroscopy misc XRD misc Lead-free ceramics
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title	Structural refinement, morphological and electrical properties of BaZrO
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title_full	Structural refinement, morphological and electrical properties of BaZrO
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title_sort	structural refinement, morphological and electrical properties of bazro
title_auth	Structural refinement, morphological and electrical properties of BaZrO
abstract	In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurements (SEM) and Impedance spectroscopy, in order to produce a novel material lead-free due to environmental concern. XRD measurements with the Rietveld refinement technique confirmed that BaZrO3 ceramics have a perovskite-type cubic structure for all different molar ratio studied. In the higher composition of BaZrO3, the perovskite phase symmetry was refined with a single cubic structural based on BaZrO3 code ICSD-27048. For other compositions it was possible to add a second structure regarding the BaO cubic element, which seems to be a remnant phase in the matrices. Impedance Spectroscopy (IS) measurements revealed that BaZrO3:Bi(Zn1/2Ti1/2)O3 content increased the materials’ conductivity. Two conduction mechanisms occur on the matrices: grain and grain boundaries regarding high and low frequencies, respectively. SEM was carried out and confirmed the density of the ceramic materials.
abstractGer	In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurements (SEM) and Impedance spectroscopy, in order to produce a novel material lead-free due to environmental concern. XRD measurements with the Rietveld refinement technique confirmed that BaZrO3 ceramics have a perovskite-type cubic structure for all different molar ratio studied. In the higher composition of BaZrO3, the perovskite phase symmetry was refined with a single cubic structural based on BaZrO3 code ICSD-27048. For other compositions it was possible to add a second structure regarding the BaO cubic element, which seems to be a remnant phase in the matrices. Impedance Spectroscopy (IS) measurements revealed that BaZrO3:Bi(Zn1/2Ti1/2)O3 content increased the materials’ conductivity. Two conduction mechanisms occur on the matrices: grain and grain boundaries regarding high and low frequencies, respectively. SEM was carried out and confirmed the density of the ceramic materials.
abstract_unstemmed	In this work, barium zirconate (BaZrO3) ceramics were synthesized by solid state reaction method together with bismuth zinc titanate [Bi(Zn1/2Ti1/2)O3] and sintered at 1200 °C for 5 h. These materials were characterized by X-ray diffraction (XRD), Rietveld refinement, Scanning spectroscopic measurements (SEM) and Impedance spectroscopy, in order to produce a novel material lead-free due to environmental concern. XRD measurements with the Rietveld refinement technique confirmed that BaZrO3 ceramics have a perovskite-type cubic structure for all different molar ratio studied. In the higher composition of BaZrO3, the perovskite phase symmetry was refined with a single cubic structural based on BaZrO3 code ICSD-27048. For other compositions it was possible to add a second structure regarding the BaO cubic element, which seems to be a remnant phase in the matrices. Impedance Spectroscopy (IS) measurements revealed that BaZrO3:Bi(Zn1/2Ti1/2)O3 content increased the materials’ conductivity. Two conduction mechanisms occur on the matrices: grain and grain boundaries regarding high and low frequencies, respectively. SEM was carried out and confirmed the density of the ceramic materials.
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title_short	Structural refinement, morphological and electrical properties of BaZrO
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up_date	2024-07-06T19:07:39.142Z
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score	7.3993263

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Structural refinement, morphological and electrical properties of BaZrO

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