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Thermal Treatment of Aerosol Deposited NiMn₂O₄ NTC Thermistors for Improved Aging Stability

DOI zum Zitieren dieses Dokuments: https://doi.org/10.3390/s18113982
URN to cite this document: urn:nbn:de:bvb:703-epub-4259-4

Title data

Schubert, Michaela ; Münch, Christian ; Schuurman, Sophie ; Poulain, Veronique ; Kita, Jaroslaw ; Moos, Ralf:
Thermal Treatment of Aerosol Deposited NiMn₂O₄ NTC Thermistors for Improved Aging Stability.
In: Sensors. Vol. 18 (November 2018) Issue 11 . - No. 3982.
ISSN 1424-8220
DOI: https://doi.org/10.3390/s18113982

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Project information

Project title:
Project's official titleProject's id
Aerosolbeschichtete Keramik-Dickschicht-NTC-BauelementeAZ 1159-15
Open Access PublizierenNo information

Project financing: Bayerische Forschungsstiftung (BFS)

Abstract

This paper examines the influence of a short-term thermal treatment of aerosol deposited negative temperature coefficient (NTC) thermistor films on the NTCR characteristics and their long-term stability with different electrode materials. An aerosol deposition of a spinel-based NiMn2O4 powder on alumina substrates with screen-printed AgPd and Au interdigital electrode structures was performed. The manufactured components of the typical size of 1206 were tempered in a moderate temperature range of 200°C to 800°C and aged for 1000 h at 125°C in air. Based on R-T measurements in a high-precision silicone oil thermostat bath and high temperature XRD analyses, the influence of the thermal treatment was analyzed and discussed. A 60-min tempering at 400°C proved to be optimal, as both the NTCR parameters and their ageing stability could be significantly improved. The findings are explained.

Further data

Item Type: Article in a journal
Keywords: aerosol deposition method (ADM); room temperature impact consolidation (RTIC); spinel ceramic; non-linear resistor; temperature sensor; long-term stability; NTCR
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Functional Materials > Chair Functional Materials - Univ.-Prof. Dr.-Ing. Ralf Moos
Profile Fields > Advanced Fields > Advanced Materials
Research Institutions > Research Centres > Bayreuth Center for Material Science and Engineering - BayMAT
Faculties
Faculties > Faculty of Engineering Science > Chair Functional Materials
Profile Fields
Profile Fields > Advanced Fields
Research Institutions
Research Institutions > Research Centres
Language: English
Originates at UBT: Yes
URN: urn:nbn:de:bvb:703-epub-4259-4
Date Deposited: 04 Mar 2019 10:11
Last Modified: 04 Mar 2019 10:11
URI: https://epub.uni-bayreuth.de/id/eprint/4259

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