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Št. zadetkov: 7
Analiza lokalnih piezoelektričnih in feroelektričnih lastnosti tankih plasti (K[spodaj](0.5)Na[spodaj](0.5))[spodaj](0.99)Sr[spodaj](0.01)NbO[spodaj]3
Davor Grabnar, Zdravko Kutnjak, Hana Uršič, Hana Uršič
Diplomsko delo
Oznake: fizika trdne snovi;feroelektriki;piezoelektriki;tanke plasti;mikroskop na atomsko silo;
Piezoelektrične in feroelektrične materiale izkoriščamo v številnih aplikacijah, kjer se pojavi potreba po medsebojni pretvorbi mehanskih v električne signale in obratno, recimo v aktuatorjih, senzorjih, ultrazvočnih pretvornikih in shranjevalcih energije. Zadnjih nekaj desetletji smo na trgu priča ...
Leto: 2018 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Testiranje transgenih linij krompirja sorte Désirée na odpornost proti abiotskim stresnim dejavnikom in okužbi z virusom PVY
Hana Uršič, Jana Žel
Diplomsko delo
Oznake: krompir;abiotski stres;suša;slanost;nizke temperature;biotski stres;PVY;
Testiranje transgenih linij krompirja sorte Désirée na odpornost proti abiotskim stresnim dejavnikom in okužbi z virusom PVY
Leto: 2012 Vir: Repozitorij Univerze v Ljubljani (RUL)
Investigating the feasibility of preparing metal-ceramic multi-layered composites using only the aerosol-deposition technique
Matej Šadl, Urban Tomc, Hana Uršič
Izvirni znanstveni članek
Oznake: aerosol deposition;multi-layered composites;interdigitated aluminium electrodes;alumina insulating layers;
The preparation of metal-ceramic layered composites remains a challenge due to the incompatibilities of the materials at the high temperatures of the co-firing process. For densification, the ceramic thick-film materials must be subjected to high-temperature annealing (usually above 900 °C), which c ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Protective alumina coatings prepared by aerosol deposition on magnetocaloric gadolinium elements
Matej Šadl, Urban Tomc, Uroš Prah, Hana Uršič
Izvirni znanstveni članek
Oznake: protective alumina coating;aerosol deposition;magnetocaloric gadolinium;
In this work the preparation of a protective insulating alumina coating on magnetocaloric gadolinium elements was investigated. In order to prepare a dense ceramic coating at room temperature the aerosol deposition technique was used. The study reveals that the powder morphology and particle size ar ...
Leto: 2019 Vir: Fakulteta za strojništvo (UL FS)
Investigation of structural and electrical properties of Al [sub] 2O [sub] 3/Al composites prepared by aerosol co-deposition
Victor Regis de Moraes, Matej Šadl, Geoff Brennecka, Andraž Bradeško, Urban Tomc, Hana Uršič
Izvirni znanstveni članek
Oznake: alumina;aluminij;multifunkcijski materiali;debeli filmi;nanašanje z aerosolom;aluminum;multifunctional materials;thick films;aerosol deposition;
As the microelectronic industry develops, components that can perform several different tasks receive increasingly more attention, resulting in multifunctional materials being highly sought after. ▫$Al_2O_3$▫ is widely present in electronic applications as a protective coating or as an electrical an ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Multifunctional flexible ferroelectric thick-film structures with energy storage, piezoelectric and electrocaloric performance
Matej Šadl, Uroš Prah, Veronika Kovacova, Emmanuel Defay, Tadej Rojac, Andrej Lebar, Joško Valentinčič, Hana Uršič
Izvirni znanstveni članek
Oznake: energija;tajnostno upravljanje;shranjevanje;pretvorba;materiali;preiskave;energy management;energy self-sufficiency;
As a major challenge, sustainable energy management and energy self-sufficiency require microsystems that manage multiple energy operations in a single device. In this work, flexible thick-film structures with promising energy storage and electrocaloric cooling capabilities as well as piezoelectric ...
Leto: 2023 Vir: Fakulteta za strojništvo (UL FS)
Bulk relaxor ferroelectric ceramics as a working body for an electrocaloric cooling device
Uroš Plaznik, Andrej Kitanovski, Brigita Rožič, Barbara Malič, Hana Uršič, Silvo Drnovšek, Jena Cilenšek, Marko Vrabelj, Alojz Poredoš, Zdravko Kutnjak
Izvirni znanstveni članek
Oznake: aktivni elektrokalorični regeneratorji;elektrokalorična hladilne naprave;masivna relaksorska feroelektrična keramika;electrocaloric cooling devices;bulk relaxor ferroelectric ceramics;active electrocaloric regenerators;
The electrocaloric effect (ECE), i.e., the conversion of the electric into the thermal energy has recently become of great importance for development of a new generation of cooling technologies. Here, we explore utilization of [Pb(Mg1/3Nb2/3)O3]0.9[PbTiO3]0.1 (PMN-10PT) relaxor ceramics as active el ...
Leto: 2015 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 7
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