About: Synthesis, magnetic and transport properties of oxygen-free CrN ceramics

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.sciencedirect.com/science/article/pii/S0955221914004117#
Description	In the literature, CrN is usually synthetized as thin films and often contains impurities such as oxygen or Cr2N. We successfully prepared pure CrN powder by ammonolysis of anhydrous chromium (III) chloride, which was confirmed by X-ray diffraction analysis (XRD) and SEM-EDS. CrN ceramics were then prepared by classical ceramic route (CCR) and by spark plasma sintering (SPS) at different sintering conditions. Transport properties (Seebeck coefficient, electrical resistivity and thermal conductivity) were measured in the range 2-600 K and the magnetic behavior was examined by SQUID. Above the room temperature thermal conductivity was obtained by laser flash analysis (LFA). Thermal stability and thermodynamic characteristics were probed by simultaneous thermal analysis (STA). Transport properties are strongly affected by the fabrication process and the resulting figure of merit (ZT) is surprisingly high. CrN has big potential as a new high temperature thermoelectric material. In the literature, CrN is usually synthetized as thin films and often contains impurities such as oxygen or Cr2N. We successfully prepared pure CrN powder by ammonolysis of anhydrous chromium (III) chloride, which was confirmed by X-ray diffraction analysis (XRD) and SEM-EDS. CrN ceramics were then prepared by classical ceramic route (CCR) and by spark plasma sintering (SPS) at different sintering conditions. Transport properties (Seebeck coefficient, electrical resistivity and thermal conductivity) were measured in the range 2-600 K and the magnetic behavior was examined by SQUID. Above the room temperature thermal conductivity was obtained by laser flash analysis (LFA). Thermal stability and thermodynamic characteristics were probed by simultaneous thermal analysis (STA). Transport properties are strongly affected by the fabrication process and the resulting figure of merit (ZT) is surprisingly high. CrN has big potential as a new high temperature thermoelectric material. (en)
Title	Synthesis, magnetic and transport properties of oxygen-free CrN ceramics Synthesis, magnetic and transport properties of oxygen-free CrN ceramics (en)
skos:prefLabel	Synthesis, magnetic and transport properties of oxygen-free CrN ceramics Synthesis, magnetic and transport properties of oxygen-free CrN ceramics (en)
skos:notation	RIV/60461373:22310/14:43897402!RIV15-GA0-22310___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GA13-20507S), S
http://linked.open...iv/cisloPeriodika	16
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Sedmidubský, David Sofer, Zdeněk Huber, Štěpán Jankovský, Ondřej Šimek, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	49022
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/14:43897402
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Thermoelectric properties; Magnetotransport properties; Nitride ceramics; Chromium nitride (en)
http://linked.open.../riv/klicoveSlovo	Thermoelectric properties Chromium nitride Magnetotransport properties Nitride ceramics
http://linked.open...odStatuVydavatele	BE - Belgické království
http://linked.open...ontrolniKodProRIV	[73B03FB6AF1C]
http://linked.open...i/riv/nazevZdroje	Journal of the European Ceramic Society
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Tenké vrstvy magneticky dopovaného GaN
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	30
http://linked.open...iv/tvurceVysledku	Sofer, Zdeněk Šimek, Petr Sedmidubský, David Huber, Štěpán Jankovský, Ondřej
http://linked.open...ain/vavai/riv/wos	000343357200002
issn	0955-2219
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jeurceramsoc.2014.07.030
http://localhost/t...ganizacniJednotka	22310

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