TY  - JOUR
AU  - Yoon, Songhak
AU  - Maegli, Alexandra E.
AU  - Karvonen, Lassi
AU  - Shkabko, Andrey
AU  - Populoh, Sascha
AU  - Gałązka, Krzysztof
AU  - Sagarna, Leyre
AU  - Aguirre, Myriam H.
AU  - Jakes, Peter
AU  - Eichel, Rüdiger A.
AU  - Ebbinghaus, Stefan
AU  - Pokrant, Simone
AU  - Weidenkaff, Anke
TI  - Synthesis, Crystal Structure, Electric and Magnetic Properties of LaVO<sub>2.78</sub>N<sub>0.10</sub>
JO  - Zeitschrift für anorganische und allgemeine Chemie
VL  - 640
IS  - 5
SN  - 0044-2313
CY  - Weinheim
PB  - Wiley-VCH
M1  - DESY-2014-02601
SP  - 797 - 804
PY  - 2014
AB  - Perovskite-type LaVO2.78N0.10 powder was synthesized by thermal ammonolysis of the oxide precursor LaVO4. By X-ray, neutron, and electron diffraction an orthorhombic crystal structure with space group Pnma was identified. XANES spectra showed that the oxidation state of vanadium changes from 5+ in LaVO4 to approximately 3+ in LaVO2.78N0.10. The temperature dependence of the electrical conductivity revealed an Arrhenius-type behavior with an activation energy of 0.103 eV in the temperature range of 119–302 K indicating that the conduction process is thermally activated band transition. Based on the positive Seebeck coefficient, holes were identified as the dominant charge carriers in the temperature range of 100–302 K. Both the Seebeck coefficient and the thermal conductivity showed an anomaly at 138 K, which is attributed to the Néel temperature for antiferromagnetic ordering according to magnetic susceptibility measurements.
LB  - PUB:(DE-HGF)16
UR  - <Go to ISI:>//WOS:000333697200016
DO  - DOI:10.1002/zaac.201300593
UR  - https://bib-pubdb1.desy.de/record/168683
ER  -