Growth and thermoelectric properties of CaMnO3-based thin films

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Fältnamn	Indikatorer	Metadata
000		04006nam a2200421 4500
001		oai:DiVA.org:liu-150618
003		SwePub
008		180829s2018 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
020		a 9789176852620q print
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1506182 URI
024	7	a https://doi.org/10.3384/lic.diva-1506182 DOI
040		a (SwePub)liu
041		a engb eng
042		9 SwePub
072	7	a vet2 swepub-contenttype
072	7	a lic2 swepub-publicationtype
100	1	a Ekström, Erik,d 1989-u Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten4 aut0 (Swepub:liu)eriek66
245	1 0	a Growth and thermoelectric properties of CaMnO3-based thin films
264		c 2018-08-29
264	1	a Linköping :b Linköping University Electronic Press,c 2018
300		a 50 s.
338		a electronic2 rdacarrier
490	0	a Linköping Studies in Science and Technology. Licentiate Thesis,x 0280-7971 ;v 1811
520		a The field of them1oelectrics started in early 19th century. Since the discovery of the Seebeck effect and the Peltier effect, thermoelectric modules have found their way into, mostly, niche applications such as radioisotope thermoelectric generators on space missions. Thermoelectric modules can also be used for cooling, utilizing the Peltier effect.Thermoelectrics are promising materials due to the operation nature of the modules. That is, they have no moving parts, no exhaust, long lifetime without maintenance, features that make them attractive for many applications. Despite these promising properties, thermoelectric modules are mostly used in niche applications. The main reason for this is conventional modules with the highest efficiency are commonly made of expensive and/or rare elements which prevents mass production.To tackle this problem, new materials are investigated to find a module that can be made widely available. Oxides are one possibility, where an added benefit is that they are chemically stable even at elevated temperature. The perovskite CaMnO3 is one of the more promising oxides, with elements that are abundant on earth and cheap. The material does suffer from low electrical conductivity which results in a low electrical conductivity and efficiency. A substantial effort has been put in to increase the efficiency of CaMnO3, hut it still needs improvement.In my thesis, I have investigated the CaMnO3 system. CaMnO3 was synthesized using co-reactive RF-magnetron sputtering and post annealing. The synthesis method is already known hut has not been used for deposition of perovskites. I have also demonstrated that this synthesis method can be used to dope CaMnO3 with niobium at appropriate levels for enhancing the efficiency.
650	7	a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe
650	7	a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng
700	1	a Eklund, Per,d 1977-u Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten4 ths0 (Swepub:liu)perek02
700	1	a Eriksson, Fredrik,d 1975-u Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten4 ths0 (Swepub:liu)freer90
700	1	a Paul, Biplab,d 1980-u Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten4 ths0 (Swepub:liu)bippa36
700	1	a Lewin, Erik,c Ph.D.u Uppsala University, Sweden4 opn
710	2	a Linköpings universitetb Tunnfilmsfysik4 org
856	4	u https://doi.org/10.3384/lic.diva-150618y Fulltext
856	4	u https://liu.diva-portal.org/smash/get/diva2:1242949/FULLTEXT01.pdfx primaryx Raw objecty fulltext
856	4	u https://liu.diva-portal.org/smash/get/diva2:1242949/COVER01.pdfy cover
856	4	u https://liu.diva-portal.org/smash/get/diva2:1242949/PREVIEW01.pngx Previewy preview image
856	4	u http://liu.diva-portal.org/smash/get/diva2:1242949/FULLTEXT01
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-150618
856	4 8	u https://doi.org/10.3384/lic.diva-150618

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Av författaren/redakt...: Ekström, Erik, 1 ...; Eklund, Per, 197 ...; Eriksson, Fredri ...; Paul, Biplab, 19 ...; Lewin, Erik, Ph. ...

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