Defect structure, thermodynamic and transport properties of SrCo

In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 re...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Jin, Xinfang [verfasserIn] Yang, Tianrang [verfasserIn] Huang, Kevin [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Schlagwörter:	Defect chemistry Oxygen interstitials Oxygen vacancy Oxygen stoichiometry Mobility

Übergeordnetes Werk:	Enthalten in: Solid state ionics - Amsterdam [u.a.] : Elsevier Science, 1980, 320, Seite 159-171
Übergeordnetes Werk:	volume:320 ; pages:159-171

DOI / URN:	10.1016/j.ssi.2018.02.041

Katalog-ID:	ELV001449842

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520			\|a In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides.
650		4	\|a Defect chemistry
650		4	\|a Oxygen interstitials
650		4	\|a Oxygen vacancy
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650		4	\|a Mobility
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700	1		\|a Huang, Kevin \|e verfasserin \|4 aut
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author_variant	x j xj t y ty k h kh
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allfields	10.1016/j.ssi.2018.02.041 doi (DE-627)ELV001449842 (ELSEVIER)S0167-2738(17)31173-6 DE-627 ger DE-627 rda eng 530 DE-600 33.61 bkl Jin, Xinfang verfasserin aut Defect structure, thermodynamic and transport properties of SrCo 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides. Defect chemistry Oxygen interstitials Oxygen vacancy Oxygen stoichiometry Mobility Yang, Tianrang verfasserin aut Huang, Kevin verfasserin aut Enthalten in Solid state ionics Amsterdam [u.a.] : Elsevier Science, 1980 320, Seite 159-171 Online-Ressource (DE-627)306710544 (DE-600)1500750-9 (DE-576)25193814X 0167-2738 nnns volume:320 pages:159-171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.61 Festkörperphysik AR 320 159-171
spelling	10.1016/j.ssi.2018.02.041 doi (DE-627)ELV001449842 (ELSEVIER)S0167-2738(17)31173-6 DE-627 ger DE-627 rda eng 530 DE-600 33.61 bkl Jin, Xinfang verfasserin aut Defect structure, thermodynamic and transport properties of SrCo 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides. Defect chemistry Oxygen interstitials Oxygen vacancy Oxygen stoichiometry Mobility Yang, Tianrang verfasserin aut Huang, Kevin verfasserin aut Enthalten in Solid state ionics Amsterdam [u.a.] : Elsevier Science, 1980 320, Seite 159-171 Online-Ressource (DE-627)306710544 (DE-600)1500750-9 (DE-576)25193814X 0167-2738 nnns volume:320 pages:159-171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.61 Festkörperphysik AR 320 159-171
allfields_unstemmed	10.1016/j.ssi.2018.02.041 doi (DE-627)ELV001449842 (ELSEVIER)S0167-2738(17)31173-6 DE-627 ger DE-627 rda eng 530 DE-600 33.61 bkl Jin, Xinfang verfasserin aut Defect structure, thermodynamic and transport properties of SrCo 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides. Defect chemistry Oxygen interstitials Oxygen vacancy Oxygen stoichiometry Mobility Yang, Tianrang verfasserin aut Huang, Kevin verfasserin aut Enthalten in Solid state ionics Amsterdam [u.a.] : Elsevier Science, 1980 320, Seite 159-171 Online-Ressource (DE-627)306710544 (DE-600)1500750-9 (DE-576)25193814X 0167-2738 nnns volume:320 pages:159-171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.61 Festkörperphysik AR 320 159-171
allfieldsGer	10.1016/j.ssi.2018.02.041 doi (DE-627)ELV001449842 (ELSEVIER)S0167-2738(17)31173-6 DE-627 ger DE-627 rda eng 530 DE-600 33.61 bkl Jin, Xinfang verfasserin aut Defect structure, thermodynamic and transport properties of SrCo 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides. Defect chemistry Oxygen interstitials Oxygen vacancy Oxygen stoichiometry Mobility Yang, Tianrang verfasserin aut Huang, Kevin verfasserin aut Enthalten in Solid state ionics Amsterdam [u.a.] : Elsevier Science, 1980 320, Seite 159-171 Online-Ressource (DE-627)306710544 (DE-600)1500750-9 (DE-576)25193814X 0167-2738 nnns volume:320 pages:159-171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.61 Festkörperphysik AR 320 159-171
allfieldsSound	10.1016/j.ssi.2018.02.041 doi (DE-627)ELV001449842 (ELSEVIER)S0167-2738(17)31173-6 DE-627 ger DE-627 rda eng 530 DE-600 33.61 bkl Jin, Xinfang verfasserin aut Defect structure, thermodynamic and transport properties of SrCo 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides. Defect chemistry Oxygen interstitials Oxygen vacancy Oxygen stoichiometry Mobility Yang, Tianrang verfasserin aut Huang, Kevin verfasserin aut Enthalten in Solid state ionics Amsterdam [u.a.] : Elsevier Science, 1980 320, Seite 159-171 Online-Ressource (DE-627)306710544 (DE-600)1500750-9 (DE-576)25193814X 0167-2738 nnns volume:320 pages:159-171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV 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_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_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 33.61 Festkörperphysik AR 320 159-171
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author	Jin, Xinfang
spellingShingle	Jin, Xinfang ddc 530 bkl 33.61 misc Defect chemistry misc Oxygen interstitials misc Oxygen vacancy misc Oxygen stoichiometry misc Mobility Defect structure, thermodynamic and transport properties of SrCo
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topic_title	530 DE-600 33.61 bkl Defect structure, thermodynamic and transport properties of SrCo Defect chemistry Oxygen interstitials Oxygen vacancy Oxygen stoichiometry Mobility
topic	ddc 530 bkl 33.61 misc Defect chemistry misc Oxygen interstitials misc Oxygen vacancy misc Oxygen stoichiometry misc Mobility
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title	Defect structure, thermodynamic and transport properties of SrCo
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title_sort	defect structure, thermodynamic and transport properties of srco
title_auth	Defect structure, thermodynamic and transport properties of SrCo
abstract	In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides.
abstractGer	In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides.
abstract_unstemmed	In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides.
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title_short	Defect structure, thermodynamic and transport properties of SrCo
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up_date	2024-07-06T21:24:52.448Z
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fullrecord_marcxml	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">ELV001449842</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230524145926.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230428s2018 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.ssi.2018.02.041</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)ELV001449842</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(ELSEVIER)S0167-2738(17)31173-6</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">530</subfield><subfield code="q">DE-600</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">33.61</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Jin, Xinfang</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Defect structure, thermodynamic and transport properties of SrCo</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2018</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">In this work, a new methodology is presented to derive the thermodynamic and transport properties of 10 mol% Nb-doped SCO (SCN10) system by combining a new defect chemistry model with experimental electrical conductivity and oxygen nonstoichiometry data. Built on a perfect Brownmillerite SrCoO2.5 reference framework, the defect model features oxygen interstitials at tetrahedral sites and oxygen vacancies at octahedral sites as the ionic point defects, and electrons and holes as the electronic point defects. The thermodynamic properties of the oxygen incorporation, Frenkel lattice oxygen exchange and cobalt disproportionation reactions are obtained from oxygen nonstoichiometry data δ(T, PO2). The concentration contours of all the ionic and electron defects are mapped out on the T-PO2 domain. The partial/integral molar thermodynamic properties as well as thermodynamic factor of the SCN10 solid solution are also determined. Furthermore, by combining the concentrations of point defects and the experimental electronic conductivity, mobilities of electrons and holes are obtained as a function of temperature. We expect that the method developed in this study is applicable to other types of mixed conducting complex oxides.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Defect chemistry</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Oxygen interstitials</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Oxygen vacancy</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Oxygen stoichiometry</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Mobility</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Yang, Tianrang</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Huang, Kevin</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" 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Defect structure, thermodynamic and transport properties of SrCo

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