Electronic active defects and local order in doped ZnO ceramics inferred from EPR and <ce:sup loc="post">27</ce:sup>Al NMR investigations
Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by t...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Sun, Qianying [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019transfer abstract |
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| Schlagwörter: |
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| Umfang: |
7 |
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| Übergeordnetes Werk: |
Enthalten in: Improved differential evolution for RSSD-based localization in Gaussian mixture noise - Zhang, Yuanyuan ELSEVIER, 2023, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:39 ; year:2019 ; number:10 ; pages:3070-3076 ; extent:7 |
| Links: |
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| DOI / URN: |
10.1016/j.jeurceramsoc.2019.04.024 |
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| 520 | |a Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. | ||
| 520 | |a Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. | ||
| 650 | 7 | |a NMR |2 Elsevier | |
| 650 | 7 | |a EPR |2 Elsevier | |
| 650 | 7 | |a Doping |2 Elsevier | |
| 650 | 7 | |a Conductivity |2 Elsevier | |
| 650 | 7 | |a ZnO ceramics |2 Elsevier | |
| 700 | 1 | |a Tian, Tian |4 oth | |
| 700 | 1 | |a Zheng, Laoying |4 oth | |
| 700 | 1 | |a Man, Zhenyong |4 oth | |
| 700 | 1 | |a Li, Guorong |4 oth | |
| 700 | 1 | |a Barré, Maud |4 oth | |
| 700 | 1 | |a Dittmer, Jens |4 oth | |
| 700 | 1 | |a Bulou, Alain |4 oth | |
| 700 | 1 | |a Kassiba, Abdel Hadi |4 oth | |
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10.1016/j.jeurceramsoc.2019.04.024 doi GBV00000000000606.pica (DE-627)ELV046583645 (ELSEVIER)S0955-2219(19)30248-1 DE-627 ger DE-627 rakwb eng 004 VZ 54.00 bkl Sun, Qianying verfasserin aut Electronic active defects and local order in doped ZnO ceramics inferred from EPR and <ce:sup loc="post">27</ce:sup>Al NMR investigations 2019transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. NMR Elsevier EPR Elsevier Doping Elsevier Conductivity Elsevier ZnO ceramics Elsevier Tian, Tian oth Zheng, Laoying oth Man, Zhenyong oth Li, Guorong oth Barré, Maud oth Dittmer, Jens oth Bulou, Alain oth Kassiba, Abdel Hadi oth Enthalten in Elsevier Science Zhang, Yuanyuan ELSEVIER Improved differential evolution for RSSD-based localization in Gaussian mixture noise 2023 Amsterdam [u.a.] (DE-627)ELV009961755 volume:39 year:2019 number:10 pages:3070-3076 extent:7 https://doi.org/10.1016/j.jeurceramsoc.2019.04.024 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.00 Informatik: Allgemeines VZ AR 39 2019 10 3070-3076 7 |
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10.1016/j.jeurceramsoc.2019.04.024 doi GBV00000000000606.pica (DE-627)ELV046583645 (ELSEVIER)S0955-2219(19)30248-1 DE-627 ger DE-627 rakwb eng 004 VZ 54.00 bkl Sun, Qianying verfasserin aut Electronic active defects and local order in doped ZnO ceramics inferred from EPR and <ce:sup loc="post">27</ce:sup>Al NMR investigations 2019transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. NMR Elsevier EPR Elsevier Doping Elsevier Conductivity Elsevier ZnO ceramics Elsevier Tian, Tian oth Zheng, Laoying oth Man, Zhenyong oth Li, Guorong oth Barré, Maud oth Dittmer, Jens oth Bulou, Alain oth Kassiba, Abdel Hadi oth Enthalten in Elsevier Science Zhang, Yuanyuan ELSEVIER Improved differential evolution for RSSD-based localization in Gaussian mixture noise 2023 Amsterdam [u.a.] (DE-627)ELV009961755 volume:39 year:2019 number:10 pages:3070-3076 extent:7 https://doi.org/10.1016/j.jeurceramsoc.2019.04.024 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.00 Informatik: Allgemeines VZ AR 39 2019 10 3070-3076 7 |
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10.1016/j.jeurceramsoc.2019.04.024 doi GBV00000000000606.pica (DE-627)ELV046583645 (ELSEVIER)S0955-2219(19)30248-1 DE-627 ger DE-627 rakwb eng 004 VZ 54.00 bkl Sun, Qianying verfasserin aut Electronic active defects and local order in doped ZnO ceramics inferred from EPR and <ce:sup loc="post">27</ce:sup>Al NMR investigations 2019transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. NMR Elsevier EPR Elsevier Doping Elsevier Conductivity Elsevier ZnO ceramics Elsevier Tian, Tian oth Zheng, Laoying oth Man, Zhenyong oth Li, Guorong oth Barré, Maud oth Dittmer, Jens oth Bulou, Alain oth Kassiba, Abdel Hadi oth Enthalten in Elsevier Science Zhang, Yuanyuan ELSEVIER Improved differential evolution for RSSD-based localization in Gaussian mixture noise 2023 Amsterdam [u.a.] (DE-627)ELV009961755 volume:39 year:2019 number:10 pages:3070-3076 extent:7 https://doi.org/10.1016/j.jeurceramsoc.2019.04.024 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.00 Informatik: Allgemeines VZ AR 39 2019 10 3070-3076 7 |
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10.1016/j.jeurceramsoc.2019.04.024 doi GBV00000000000606.pica (DE-627)ELV046583645 (ELSEVIER)S0955-2219(19)30248-1 DE-627 ger DE-627 rakwb eng 004 VZ 54.00 bkl Sun, Qianying verfasserin aut Electronic active defects and local order in doped ZnO ceramics inferred from EPR and <ce:sup loc="post">27</ce:sup>Al NMR investigations 2019transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. NMR Elsevier EPR Elsevier Doping Elsevier Conductivity Elsevier ZnO ceramics Elsevier Tian, Tian oth Zheng, Laoying oth Man, Zhenyong oth Li, Guorong oth Barré, Maud oth Dittmer, Jens oth Bulou, Alain oth Kassiba, Abdel Hadi oth Enthalten in Elsevier Science Zhang, Yuanyuan ELSEVIER Improved differential evolution for RSSD-based localization in Gaussian mixture noise 2023 Amsterdam [u.a.] (DE-627)ELV009961755 volume:39 year:2019 number:10 pages:3070-3076 extent:7 https://doi.org/10.1016/j.jeurceramsoc.2019.04.024 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.00 Informatik: Allgemeines VZ AR 39 2019 10 3070-3076 7 |
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10.1016/j.jeurceramsoc.2019.04.024 doi GBV00000000000606.pica (DE-627)ELV046583645 (ELSEVIER)S0955-2219(19)30248-1 DE-627 ger DE-627 rakwb eng 004 VZ 54.00 bkl Sun, Qianying verfasserin aut Electronic active defects and local order in doped ZnO ceramics inferred from EPR and <ce:sup loc="post">27</ce:sup>Al NMR investigations 2019transfer abstract 7 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. NMR Elsevier EPR Elsevier Doping Elsevier Conductivity Elsevier ZnO ceramics Elsevier Tian, Tian oth Zheng, Laoying oth Man, Zhenyong oth Li, Guorong oth Barré, Maud oth Dittmer, Jens oth Bulou, Alain oth Kassiba, Abdel Hadi oth Enthalten in Elsevier Science Zhang, Yuanyuan ELSEVIER Improved differential evolution for RSSD-based localization in Gaussian mixture noise 2023 Amsterdam [u.a.] (DE-627)ELV009961755 volume:39 year:2019 number:10 pages:3070-3076 extent:7 https://doi.org/10.1016/j.jeurceramsoc.2019.04.024 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.00 Informatik: Allgemeines VZ AR 39 2019 10 3070-3076 7 |
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electronic active defects and local order in doped zno ceramics inferred from epr and <ce:sup loc="post">27</ce:sup>al nmr investigations |
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Electronic active defects and local order in doped ZnO ceramics inferred from EPR and <ce:sup loc="post">27</ce:sup>Al NMR investigations |
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Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. |
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Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. |
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Doped ZnO based ceramics were fabricated by using a solid state reaction of ZnO co-doped by TiO2, Al2O3 and MgO and sintered in different atmospheres (Air, N2, N2 + CO). The crystalline structures consist in wurtzite ZnO and a minor spinel phase Zn2TiO4. The electrical conductivity is modulated by the sintering conditions with the highest value (˜105 S m−1) obtained in the reducing atmosphere (N2 + CO). The role of defects and vacancies on the electrical behavior was exhaustively investigated by Raman, electron paramagnetic resonance (EPR) and solid state NMR methods. The paramagnetic centres inferred from EPR studies show a Pauli-like spin susceptibility. Their origin was assigned to shallow donors from interstitial defects (Zni) favored by substitutional Al ions (AlZn). The NMR spectral features with a characteristic 185 ppm line which correlates with the electrical conductivity are presumed to be caused by the Knight shift effect from the conduction electrons and the involved paramagnetic centres. |
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