About: Pulsed EPR and ENDOR study of SiC nanopowders

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this work eld-sweep electron spin echo and pulsed electron nuclear double resonance study of the silicon carbide (SiC) nanoparticles (np-SiC) of di erent sizes is presented. Nitrogen (N) triplet lines due to the isolated N donor state was observed in np-SiC with grain size d > 100 nm. With a decrease of the particle size up to 50 nm the N triplet lines transforms into one single exchange line due to the delocalization of the donor wave function caused by the size con nement e ect. Along with N donors the carbon vacancy (VC) located in cubic phase was observed in np-SiC with d < 100 nm. The further decrease of the grain size to d < 50 nm leads to the appearance of the VC located in hexagonal crystalline phase and carbon dangling bonds located in the carbon excess phase of np-SiC. The fact that only N donor center at k2 quasi-cubic position substituting Si site was observed in the eld-sweep electron spin echo and pulsed electron. In this work eld-sweep electron spin echo and pulsed electron nuclear double resonance study of the silicon carbide (SiC) nanoparticles (np-SiC) of di erent sizes is presented. Nitrogen (N) triplet lines due to the isolated N donor state was observed in np-SiC with grain size d > 100 nm. With a decrease of the particle size up to 50 nm the N triplet lines transforms into one single exchange line due to the delocalization of the donor wave function caused by the size con nement e ect. Along with N donors the carbon vacancy (VC) located in cubic phase was observed in np-SiC with d < 100 nm. The further decrease of the grain size to d < 50 nm leads to the appearance of the VC located in hexagonal crystalline phase and carbon dangling bonds located in the carbon excess phase of np-SiC. The fact that only N donor center at k2 quasi-cubic position substituting Si site was observed in the eld-sweep electron spin echo and pulsed electron. (en)
Title	Pulsed EPR and ENDOR study of SiC nanopowders Pulsed EPR and ENDOR study of SiC nanopowders (en)
skos:prefLabel	Pulsed EPR and ENDOR study of SiC nanopowders Pulsed EPR and ENDOR study of SiC nanopowders (en)
skos:notation	RIV/68378271:_____/14:00439631!RIV15-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GP13-06697P), P(LM2011029)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Savchenko, Dariia
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	40896
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/14:00439631
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	EPR; ENDOR; SiC nanopowders; size effect (en)
http://linked.open.../riv/klicoveSlovo	EPR ENDOR size effect SiC nanopowders
http://linked.open...ontrolniKodProRIV	[67BF331AA460]
http://linked.open...v/mistoKonaniAkce	Wisla
http://linked.open...i/riv/mistoVydani	Warsaw
http://linked.open...i/riv/nazevZdroje	Acta Physica Polonica A, vol. 126, 2014, č. 5
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	SAFMAT - Centre of Functional Materials Analyses Investigation of SiC nanostructures by optical and magnetic resonance methods: perspective for integral optoelectronics and spintronics
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Savchenko, Dariia
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-06-07 (xsd:date)
issn	0587-4246
number of pages	3 (xsd:int)
http://bibframe.org/vocab/doi	10.12693/APhysPolA.126.1063
http://purl.org/ne...btex#hasPublisher	Polska Akademia Nauk

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