Wearable temperature sensors based on lanthanum-doped aluminum-oxide dielectrics operating at low-voltage and high-frequency for healthcare monitoring systems
The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequen...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Park, Sang-Joon [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Umfang: |
8 |
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| Übergeordnetes Werk: |
Enthalten in: Soil and water bioengineering: Practice and research needs for reconciling natural hazard control and ecological restoration - Rey, F. ELSEVIER, 2018, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:47 ; year:2021 ; number:4 ; day:15 ; month:02 ; pages:4579-4586 ; extent:8 |
| Links: |
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| DOI / URN: |
10.1016/j.ceramint.2020.10.023 |
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ELV052670945 |
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| 245 | 1 | 0 | |a Wearable temperature sensors based on lanthanum-doped aluminum-oxide dielectrics operating at low-voltage and high-frequency for healthcare monitoring systems |
| 264 | 1 | |c 2021transfer abstract | |
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| 520 | |a The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. | ||
| 520 | |a The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. | ||
| 650 | 7 | |a Wearable temperature sensor |2 Elsevier | |
| 650 | 7 | |a La doping |2 Elsevier | |
| 650 | 7 | |a Metal-oxide dielectrics |2 Elsevier | |
| 650 | 7 | |a Capacitive characteristics |2 Elsevier | |
| 650 | 7 | |a Healthcare monitoring system |2 Elsevier | |
| 650 | 7 | |a Sol-gel process |2 Elsevier | |
| 700 | 1 | |a Jeon, Jun-Young |4 oth | |
| 700 | 1 | |a Kang, Byoung-Cheol |4 oth | |
| 700 | 1 | |a Ha, Tae-Jun |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Rey, F. ELSEVIER |t Soil and water bioengineering: Practice and research needs for reconciling natural hazard control and ecological restoration |d 2018 |g Amsterdam [u.a.] |w (DE-627)ELV000899798 |
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| 936 | b | k | |a 44.13 |j Medizinische Ökologie |q VZ |
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10.1016/j.ceramint.2020.10.023 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001359.pica (DE-627)ELV052670945 (ELSEVIER)S0272-8842(20)33062-5 DE-627 ger DE-627 rakwb eng 333.7 610 VZ 43.12 bkl 43.13 bkl 44.13 bkl Park, Sang-Joon verfasserin aut Wearable temperature sensors based on lanthanum-doped aluminum-oxide dielectrics operating at low-voltage and high-frequency for healthcare monitoring systems 2021transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. Wearable temperature sensor Elsevier La doping Elsevier Metal-oxide dielectrics Elsevier Capacitive characteristics Elsevier Healthcare monitoring system Elsevier Sol-gel process Elsevier Jeon, Jun-Young oth Kang, Byoung-Cheol oth Ha, Tae-Jun oth Enthalten in Elsevier Science Rey, F. ELSEVIER Soil and water bioengineering: Practice and research needs for reconciling natural hazard control and ecological restoration 2018 Amsterdam [u.a.] (DE-627)ELV000899798 volume:47 year:2021 number:4 day:15 month:02 pages:4579-4586 extent:8 https://doi.org/10.1016/j.ceramint.2020.10.023 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO 43.12 Umweltchemie VZ 43.13 Umwelttoxikologie VZ 44.13 Medizinische Ökologie VZ AR 47 2021 4 15 0215 4579-4586 8 |
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10.1016/j.ceramint.2020.10.023 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001359.pica (DE-627)ELV052670945 (ELSEVIER)S0272-8842(20)33062-5 DE-627 ger DE-627 rakwb eng 333.7 610 VZ 43.12 bkl 43.13 bkl 44.13 bkl Park, Sang-Joon verfasserin aut Wearable temperature sensors based on lanthanum-doped aluminum-oxide dielectrics operating at low-voltage and high-frequency for healthcare monitoring systems 2021transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. Wearable temperature sensor Elsevier La doping Elsevier Metal-oxide dielectrics Elsevier Capacitive characteristics Elsevier Healthcare monitoring system Elsevier Sol-gel process Elsevier Jeon, Jun-Young oth Kang, Byoung-Cheol oth Ha, Tae-Jun oth Enthalten in Elsevier Science Rey, F. ELSEVIER Soil and water bioengineering: Practice and research needs for reconciling natural hazard control and ecological restoration 2018 Amsterdam [u.a.] (DE-627)ELV000899798 volume:47 year:2021 number:4 day:15 month:02 pages:4579-4586 extent:8 https://doi.org/10.1016/j.ceramint.2020.10.023 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO 43.12 Umweltchemie VZ 43.13 Umwelttoxikologie VZ 44.13 Medizinische Ökologie VZ AR 47 2021 4 15 0215 4579-4586 8 |
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10.1016/j.ceramint.2020.10.023 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001359.pica (DE-627)ELV052670945 (ELSEVIER)S0272-8842(20)33062-5 DE-627 ger DE-627 rakwb eng 333.7 610 VZ 43.12 bkl 43.13 bkl 44.13 bkl Park, Sang-Joon verfasserin aut Wearable temperature sensors based on lanthanum-doped aluminum-oxide dielectrics operating at low-voltage and high-frequency for healthcare monitoring systems 2021transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. Wearable temperature sensor Elsevier La doping Elsevier Metal-oxide dielectrics Elsevier Capacitive characteristics Elsevier Healthcare monitoring system Elsevier Sol-gel process Elsevier Jeon, Jun-Young oth Kang, Byoung-Cheol oth Ha, Tae-Jun oth Enthalten in Elsevier Science Rey, F. ELSEVIER Soil and water bioengineering: Practice and research needs for reconciling natural hazard control and ecological restoration 2018 Amsterdam [u.a.] (DE-627)ELV000899798 volume:47 year:2021 number:4 day:15 month:02 pages:4579-4586 extent:8 https://doi.org/10.1016/j.ceramint.2020.10.023 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO 43.12 Umweltchemie VZ 43.13 Umwelttoxikologie VZ 44.13 Medizinische Ökologie VZ AR 47 2021 4 15 0215 4579-4586 8 |
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10.1016/j.ceramint.2020.10.023 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001359.pica (DE-627)ELV052670945 (ELSEVIER)S0272-8842(20)33062-5 DE-627 ger DE-627 rakwb eng 333.7 610 VZ 43.12 bkl 43.13 bkl 44.13 bkl Park, Sang-Joon verfasserin aut Wearable temperature sensors based on lanthanum-doped aluminum-oxide dielectrics operating at low-voltage and high-frequency for healthcare monitoring systems 2021transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. Wearable temperature sensor Elsevier La doping Elsevier Metal-oxide dielectrics Elsevier Capacitive characteristics Elsevier Healthcare monitoring system Elsevier Sol-gel process Elsevier Jeon, Jun-Young oth Kang, Byoung-Cheol oth Ha, Tae-Jun oth Enthalten in Elsevier Science Rey, F. ELSEVIER Soil and water bioengineering: Practice and research needs for reconciling natural hazard control and ecological restoration 2018 Amsterdam [u.a.] (DE-627)ELV000899798 volume:47 year:2021 number:4 day:15 month:02 pages:4579-4586 extent:8 https://doi.org/10.1016/j.ceramint.2020.10.023 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO 43.12 Umweltchemie VZ 43.13 Umwelttoxikologie VZ 44.13 Medizinische Ökologie VZ AR 47 2021 4 15 0215 4579-4586 8 |
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10.1016/j.ceramint.2020.10.023 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001359.pica (DE-627)ELV052670945 (ELSEVIER)S0272-8842(20)33062-5 DE-627 ger DE-627 rakwb eng 333.7 610 VZ 43.12 bkl 43.13 bkl 44.13 bkl Park, Sang-Joon verfasserin aut Wearable temperature sensors based on lanthanum-doped aluminum-oxide dielectrics operating at low-voltage and high-frequency for healthcare monitoring systems 2021transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. Wearable temperature sensor Elsevier La doping Elsevier Metal-oxide dielectrics Elsevier Capacitive characteristics Elsevier Healthcare monitoring system Elsevier Sol-gel process Elsevier Jeon, Jun-Young oth Kang, Byoung-Cheol oth Ha, Tae-Jun oth Enthalten in Elsevier Science Rey, F. ELSEVIER Soil and water bioengineering: Practice and research needs for reconciling natural hazard control and ecological restoration 2018 Amsterdam [u.a.] (DE-627)ELV000899798 volume:47 year:2021 number:4 day:15 month:02 pages:4579-4586 extent:8 https://doi.org/10.1016/j.ceramint.2020.10.023 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA SSG-OPC-GGO 43.12 Umweltchemie VZ 43.13 Umwelttoxikologie VZ 44.13 Medizinische Ökologie VZ AR 47 2021 4 15 0215 4579-4586 8 |
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Wearable temperature sensors based on lanthanum-doped aluminum-oxide dielectrics operating at low-voltage and high-frequency for healthcare monitoring systems |
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The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. |
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The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. |
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The incorporation of lanthanum (La) into sol-gel based aluminum-oxide (Al2O3) dielectrics is investigated by analyzing the dielectric properties obtained from electrical capacitive measurements of metal-insulator-metal. The optimized La doping results in significantly suppressed variation of frequency-dependent capacitance of sol-gel based La-doped Al2O3 (LaAlO3) dielectrics even at high frequencies of ~ MHz. In addition, flexible temperature sensors with sol-gel based LaAlO3 dielectrics on polyimide substrates are demonstrated through investigations on the capacitive responses to different temperatures ranging from 30 to 200 °C at various frequencies from 100 Hz to 1 MHz. Without any buffer or passivation film, the proposed flexible temperature sensors achieved a high mechanical stability against cyclic bending tests with curvature radii from 10 to 5 mm. Finally, the feasibility of a healthcare monitoring system is demonstrated by utilizing wearable body-temperature sensor arrays consisting of sol-gel based LaAlO3 dielectrics. High-performance temperature sensor system is capable of analyzing interfacial temperature characteristics on human body between 30 and 40 °C in real-time and displaying them on the use's smartphone. We believe that this study is expected to significantly contribute to the field of wearable bioelectronics consisting of solution-processed metal-oxide dielectrics for healthcare monitoring systems. |
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