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Improvement in the long-term stability of parameters of encapsulated magnetic field sensors based on La Sr Mn O thin films

dc.contributor.authorStankevič, Voitech
dc.contributor.authorŠimkevičius, Česlovas
dc.contributor.authorKeršulis, Skirmantas
dc.contributor.authorBalevičius, Saulius
dc.contributor.authorŽurauskienė, Nerija
dc.contributor.authorPavilonis, Dainius
dc.contributor.authorTolvaišienė, Sonata
dc.date.accessioned2023-09-18T20:36:38Z
dc.date.available2023-09-18T20:36:38Z
dc.date.issued2015
dc.identifier.issn0924-4247
dc.identifier.other(BIS)VGT02-000030108
dc.identifier.urihttps://etalpykla.vilniustech.lt/handle/123456789/151310
dc.description.abstractThe effectiveness of different approaches used for improvement of stability of colossal magnetoresistance-B-scalar magnetic field sensors made from polycrystalline manganite La0.83Sr0.17MnO3 thin films were considered. We show that the ageing process of sensors can be accelerated by annealing the films in Ar atmosphere at 75–125 °C and covering them by hot melt adhesive (polyethylene). Ageing kinetics of electrical resistance and magnetoresistance (MR) were investigated as well as the influence of hot melt adhesive. Despite of increased resistance only small changes of the MR and the temperature coefficient of resistance were observed. The obtained results are explained by the oxygen release, displacement or redistribution which takes place most probably in grain boundaries of polycrystalline manganites. Based on the obtained results optimal conditions for the stabilization of encapsulated sensors parameters were found resulting in the resistance drift less than 1.5% per year.eng
dc.formatPDF
dc.format.extentp. 112-117
dc.format.mediumtekstas / txt
dc.language.isoeng
dc.relation.isreferencedbyScienceDirect
dc.relation.isreferencedbyScopus
dc.relation.isreferencedbyScience Citation Index Expanded (Web of Science)
dc.source.urihttps://doi.org/10.1016/j.sna.2015.03.017
dc.subjectMC02 - Elektros ir elektroniniai įrenginiai bei sistemos / Electrical and electronic devices and systems
dc.titleImprovement in the long-term stability of parameters of encapsulated magnetic field sensors based on La Sr Mn O thin films
dc.typeStraipsnis Web of Science DB / Article in Web of Science DB
dcterms.references18
dc.type.pubtypeS1 - Straipsnis Web of Science DB / Web of Science DB article
dc.contributor.institutionVilniaus Gedimino technikos universitetas Valstybinis mokslinių tyrimų institutas Fizinių ir technologijos mokslų centras
dc.contributor.institutionValstybinis mokslinių tyrimų institutas Fizinių ir technologijos mokslų centras
dc.contributor.institutionVilniaus Gedimino technikos universitetas
dc.contributor.facultyElektronikos fakultetas / Faculty of Electronics
dc.subject.researchfieldT 001 - Elektros ir elektronikos inžinerija / Electrical and electronic engineering
dc.subject.ltspecializationsL104 - Nauji gamybos procesai, medžiagos ir technologijos / New production processes, materials and technologies
dc.subject.enElectrical resistance
dc.subject.enColossal magnetoresistance
dc.subject.enPolycrystalline thin films
dc.subject.enMagnetic field sensors
dc.subject.enAgeing effects
dcterms.sourcetitleSensors and actuators A: Physical
dc.description.volumeVol. 228
dc.publisher.nameElsevier
dc.publisher.cityLausanne, Switzerland
dc.identifier.doi000355043800015
dc.identifier.doi10.1016/j.sna.2015.03.017
dc.identifier.elaba8283262


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