ELECTRONIC TRANSPORT PROPERTIES OF COMPOUNDS WITH TEMPERATURE UNSTABLE INTERMEDIATE VALENCE OF Ce

ELECTRONIC TRANSPORT PROPERTIES OF COMPOUNDS WITH TEMPERATURE UNSTABLE INTERMEDIATE VALENCE OF Ce

Results of a thermoelectric power component (S<sub>f</sub>) and electrical resistivity (ρ<sub>f</sub>) measurements connected with the temperature unstable intermediate valence of Ce are presented for CeNi, CeNi<sub>2</sub> and CeNi<sub>2</sub>Si<su...

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Main Authors: M.D.Koterlyn, R.I.Yasnitskii, B.S.Morokhivskii
Format: Article
Language:English
Published: Institute for Condensed Matter Physics 2004-01-01
Series:Condensed Matter Physics
Subjects:
rare earth compounds
valence fluctuation
electrical resistivity
thermoelectric power
Online Access:http://dx.doi.org/10.5488/CMP.7.2.265
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spelling doaj-6afb1d54619e4589afbf578ac14b494a2020-11-24T21:57:26ZengInstitute for Condensed Matter PhysicsCondensed Matter Physics1607-324X2004-01-017226527410.5488/CMP.7.2.265ELECTRONIC TRANSPORT PROPERTIES OF COMPOUNDS WITH TEMPERATURE UNSTABLE INTERMEDIATE VALENCE OF CeM.D.KoterlynR.I.YasnitskiiB.S.MorokhivskiiResults of a thermoelectric power component (S<sub>f</sub>) and electrical resistivity (ρ<sub>f</sub>) measurements connected with the temperature unstable intermediate valence of Ce are presented for CeNi, CeNi<sub>2</sub> and CeNi<sub>2</sub>Si<sub>2</sub> compounds in the temperature range 4-800 K. It is shown that dependences S<sub>f</sub>(T) and ρ<sub>f</sub>(T) are well described in a wide temperature range within the framework of a simple model of a narrow peak in the density of states g<sub>f</sub>(E) of Lorentzian shape near the Fermi level. The width of the peak depends on temperature and defines the characteristic single-ion Kondo temperature T<sub>K</sub>.http://dx.doi.org/10.5488/CMP.7.2.265rare earth compoundsvalence fluctuationelectrical resistivitythermoelectric power
collection DOAJ
language English
format Article
sources DOAJ
author M.D.Koterlyn
R.I.Yasnitskii
B.S.Morokhivskii
spellingShingle M.D.Koterlyn
R.I.Yasnitskii
B.S.Morokhivskii
ELECTRONIC TRANSPORT PROPERTIES OF COMPOUNDS WITH TEMPERATURE UNSTABLE INTERMEDIATE VALENCE OF Ce
Condensed Matter Physics
rare earth compounds
valence fluctuation
electrical resistivity
thermoelectric power
author_facet M.D.Koterlyn
R.I.Yasnitskii
B.S.Morokhivskii
author_sort M.D.Koterlyn
title ELECTRONIC TRANSPORT PROPERTIES OF COMPOUNDS WITH TEMPERATURE UNSTABLE INTERMEDIATE VALENCE OF Ce
title_short ELECTRONIC TRANSPORT PROPERTIES OF COMPOUNDS WITH TEMPERATURE UNSTABLE INTERMEDIATE VALENCE OF Ce
title_full ELECTRONIC TRANSPORT PROPERTIES OF COMPOUNDS WITH TEMPERATURE UNSTABLE INTERMEDIATE VALENCE OF Ce
title_fullStr ELECTRONIC TRANSPORT PROPERTIES OF COMPOUNDS WITH TEMPERATURE UNSTABLE INTERMEDIATE VALENCE OF Ce
title_full_unstemmed ELECTRONIC TRANSPORT PROPERTIES OF COMPOUNDS WITH TEMPERATURE UNSTABLE INTERMEDIATE VALENCE OF Ce
title_sort electronic transport properties of compounds with temperature unstable intermediate valence of ce
publisher Institute for Condensed Matter Physics
series Condensed Matter Physics
issn 1607-324X
publishDate 2004-01-01
description Results of a thermoelectric power component (S<sub>f</sub>) and electrical resistivity (ρ<sub>f</sub>) measurements connected with the temperature unstable intermediate valence of Ce are presented for CeNi, CeNi<sub>2</sub> and CeNi<sub>2</sub>Si<sub>2</sub> compounds in the temperature range 4-800 K. It is shown that dependences S<sub>f</sub>(T) and ρ<sub>f</sub>(T) are well described in a wide temperature range within the framework of a simple model of a narrow peak in the density of states g<sub>f</sub>(E) of Lorentzian shape near the Fermi level. The width of the peak depends on temperature and defines the characteristic single-ion Kondo temperature T<sub>K</sub>.
topic rare earth compounds
valence fluctuation
electrical resistivity
thermoelectric power
url http://dx.doi.org/10.5488/CMP.7.2.265
work_keys_str_mv AT mdkoterlyn electronictransportpropertiesofcompoundswithtemperatureunstableintermediatevalenceofce
AT riyasnitskii electronictransportpropertiesofcompoundswithtemperatureunstableintermediatevalenceofce
AT bsmorokhivskii electronictransportpropertiesofcompoundswithtemperatureunstableintermediatevalenceofce
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