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Statements

Subject Item
n2:RIV%2F60461373%3A22310%2F14%3A43897402%21RIV15-GA0-22310___
rdf:type
n6:Vysledek skos:Concept
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0955221914004117#
dcterms: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.
dcterms:title
Synthesis, magnetic and transport properties of oxygen-free CrN ceramics Synthesis, magnetic and transport properties of oxygen-free CrN ceramics
skos:prefLabel
Synthesis, magnetic and transport properties of oxygen-free CrN ceramics Synthesis, magnetic and transport properties of oxygen-free CrN ceramics
skos:notation
RIV/60461373:22310/14:43897402!RIV15-GA0-22310___
n3:aktivita
n13:S n13:P
n3:aktivity
P(GA13-20507S), S
n3:cisloPeriodika
16
n3:dodaniDat
n14:2015
n3:domaciTvurceVysledku
n11:3148262 n11:1924613 n11:6541690 n11:5250226 n11:6562108
n3:druhVysledku
n9:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
49022
n3:idVysledku
RIV/60461373:22310/14:43897402
n3:jazykVysledku
n20:eng
n3:klicovaSlova
Thermoelectric properties; Magnetotransport properties; Nitride ceramics; Chromium nitride
n3:klicoveSlovo
n4:Thermoelectric%20properties n4:Magnetotransport%20properties n4:Chromium%20nitride n4:Nitride%20ceramics
n3:kodStatuVydavatele
BE - Belgické království
n3:kontrolniKodProRIV
[73B03FB6AF1C]
n3:nazevZdroje
Journal of the European Ceramic Society
n3:obor
n12:CA
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n16:GA13-20507S
n3:rokUplatneniVysledku
n14:2014
n3:svazekPeriodika
30
n3:tvurceVysledku
Šimek, Petr Sofer, Zdeněk Jankovský, Ondřej Huber, Štěpán Sedmidubský, David
n3:wos
000343357200002
s:issn
0955-2219
s:numberOfPages
6
n8:doi
10.1016/j.jeurceramsoc.2014.07.030
n10:organizacniJednotka
22310