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Humidity and Temperature Sensing of Mixed Nickel–Magnesium Spinel Ferrites
dc.creator | Dojčinović, Milena | |
dc.creator | Vasiljević, Zorka Z | |
dc.creator | Rakočević, Lazar | |
dc.creator | Pavlović, Vera P. | |
dc.creator | Ammar, Souad | |
dc.creator | Vujancevic, Jelena | |
dc.creator | Nikolić, Maria Vesna | |
dc.date.accessioned | 2023-01-12T07:51:55Z | |
dc.date.available | 2023-01-12T07:51:55Z | |
dc.date.issued | 2023 | |
dc.identifier.issn | 2227-9040 | |
dc.identifier.uri | http://rimsi.imsi.bg.ac.rs/handle/123456789/1615 | |
dc.description.abstract | Temperature- and humidity-sensing properties were evaluated of NixMg1-x spinel ferrites (0 ≤ x ≤ 1) synthesized by a sol-gel combustion method using citric acid as fuel and nitrate ions as oxidizing agents. After the exothermic reaction, amorphous powders were calcined at 700 °C ollowed by characterization with XRD, FTIR, XPS, EDS and Raman spectroscopy and FESEM icroscopy. Synthesized powders were tested as humidity- and temperature-sensing materials in the form of thick films on interdigitated electrodes on alumina substrate in a climatic chamber. The physicochemical investigation of synthesized materials revealed a cubic spinel Fd3m phase, nanosized but agglomerated particles with a partially to completely inverse spinel structure with increasing Ni content. Ni0.1Mg0.9Fe2O4 showed the highest material constant (B30,90) value of 3747 K and temperature sensitivity (α) of −4.08%/K compared to pure magnesium ferrite (B30,90 value of 3426 K and α of −3.73%/K) and the highest average sensitivity towards humidity of 922 kΩ/%RH in the relative humidity (RH) range of 40–90% at the working temperature of 25 °C. | sr |
dc.language.iso | en | sr |
dc.publisher | MDPI (Basel, Switzerland) | sr |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200053/RS// | sr |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200105/RS// | sr |
dc.relation | info:eu-repo/grantAgreement/MESTD/inst-2020/200175/RS// | sr |
dc.rights | openAccess | sr |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Chemosensors | |
dc.subject | nickel | sr |
dc.subject | magnesium | sr |
dc.subject | spinel | sr |
dc.subject | ferrite | sr |
dc.subject | humidity | sr |
dc.subject | temperature | sr |
dc.subject | sensing | sr |
dc.subject | structure | sr |
dc.subject | morphology | sr |
dc.title | Humidity and Temperature Sensing of Mixed Nickel–Magnesium Spinel Ferrites | sr |
dc.type | article | sr |
dc.rights.license | BY | sr |
dc.citation.issue | 1 | |
dc.citation.rank | M21~ | |
dc.citation.spage | 34 | |
dc.citation.volume | 11 | |
dc.identifier.doi | https://doi.org/10.3390/chemosensors11010034 | |
dc.identifier.fulltext | http://rimsi.imsi.bg.ac.rs/bitstream/id/3988/chemosensors-11-00034-v2.pdf | |
dc.type.version | publishedVersion | sr |