Novel functional magnetic materials based on magneto-structural transitions
author: Oliver Gutfleisch,
Dep. Magnetism & Superconductivity, Institute for Metallic Materials
published: April 10, 2007, recorded: April 2007, views: 5260
published: April 10, 2007, recorded: April 2007, views: 5260
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Description
V zadnjih letih so se v svetu intenzivirale raziskave na področju materialov z magnetokaloričnimi lastnostmi. Ena od pomembnih aplikacij takih materialov je izdelava ekološko neoporečnih magnetnih hladilnih sistemov. V predavanju bodo predstavljeni materiali, ki kažejo gigantski magnetokaloričen efekt in magnetni oblikovni spomin. V razpravi bo predstavljena teorija do katere mere narava magneto-strukturne sklopitve vpliva na latentno toploto in spremembo magnetne entropije. Predstavljene bodo metode kako doseči maksimalen magnetokaloričen efekt, metode izdelave teh materialov in njihove karakterizacije.
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