Hydrogenation studies on structural and magnetic properties of antiferromagnetic Kondo lattice Ce2Cu2In
Identifieur interne : 000B71 ( Main/Repository ); précédent : 000B70; suivant : 000B72Hydrogenation studies on structural and magnetic properties of antiferromagnetic Kondo lattice Ce2Cu2In
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Abstract
Hydrogenation studies were carried out on an antiferromagnetic dense Kondo system Ce2Cu2In. Single-phase hydrides Ce2Cu2InHx were obtained for the hydrogen content 2.17 < x < 2.8. These compounds form with the crystal lattice of the parent alloy, yet with a strongly expanded unit cell, especially along the crystallographic c-axis. For x < 2.17 mixtures of Ce2Cu2In and Ce2Cu2InH∼2.2 were observed, while for x > 3 amorphous material was obtained. The single-phase hydrides Ce2Cu2InH2.37 and Ce2Cu2InH2.78 are Curie-Weiss paramagnets due to stable Ce3+ ions. For both compounds, near 11-13 K, some tiny features were observed in the magnetic susceptibility data, which might reflect weak magnetic ordering.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Hydrogenation studies on structural and magnetic properties of antiferromagnetic Kondo lattice Ce<sub>2</sub>Cu<sub>2</sub>In</title><author><name sortKey="Iwasieczko, Wadaw" uniqKey="Iwasieczko W">Wadaw Iwasieczko</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410</s1><s2>50-950 Wroclaw</s2><s3>POL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>50-950 Wroclaw</wicri:noRegion></affiliation></author><author><name sortKey="Kaczorowski, Dariusz" uniqKey="Kaczorowski D">Dariusz Kaczorowski</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410</s1><s2>50-950 Wroclaw</s2><s3>POL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>50-950 Wroclaw</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">13-0129259</idno><date when="2013">2013</date><idno type="stanalyst">PASCAL 13-0129259 INIST</idno><idno type="RBID">Pascal:13-0129259</idno><idno type="wicri:Area/Main/Corpus">001061</idno><idno type="wicri:Area/Main/Repository">000B71</idno></publicationStmt><seriesStmt><idno type="ISSN">0925-8388</idno><title level="j" type="abbreviated">J. alloys compd.</title><title level="j" type="main">Journal of alloys and compounds</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amorphization</term><term>Cerium alloys</term><term>Copper alloys</term><term>Curie-Weiss law</term><term>Hydrides</term><term>Hydrogenation</term><term>Indium alloys</term><term>Intermetallic compounds</term><term>Kondo effect</term><term>Kondo lattice</term><term>Magnetic susceptibility</term><term>Paramagnetism</term><term>Rare earth alloys</term><term>Ternary alloys</term><term>Transition element alloys</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Hydrogénation</term><term>Amorphisation</term><term>Effet Kondo</term><term>Réseau Kondo</term><term>Loi Curie Weiss</term><term>Susceptibilité magnétique</term><term>Paramagnétisme</term><term>Hydrure</term><term>Cérium alliage</term><term>Composé intermétallique</term><term>Cuivre alliage</term><term>Indium alliage</term><term>Alliage ternaire</term><term>Lanthanide alliage</term><term>Métal transition alliage</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Hydrogenation studies were carried out on an antiferromagnetic dense Kondo system Ce<sub>2</sub>Cu<sub>2</sub>In. Single-phase hydrides Ce<sub>2</sub>Cu<sub>2</sub>InH<sub>x</sub> were obtained for the hydrogen content 2.17 < x < 2.8. These compounds form with the crystal lattice of the parent alloy, yet with a strongly expanded unit cell, especially along the crystallographic c-axis. For x < 2.17 mixtures of Ce<sub>2</sub>Cu<sub>2</sub>In and Ce<sub>2</sub>Cu<sub>2</sub>InH<sub>∼2.2</sub> were observed, while for x > 3 amorphous material was obtained. The single-phase hydrides Ce<sub>2</sub>Cu<sub>2</sub>InH<sub>2.37</sub> and Ce<sub>2</sub>Cu<sub>2</sub>InH<sub>2.78</sub> are Curie-Weiss paramagnets due to stable Ce<sup>3+</sup> ions. For both compounds, near 11-13 K, some tiny features were observed in the magnetic susceptibility data, which might reflect weak magnetic ordering.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0925-8388</s0></fA01><fA03 i2="1"><s0>J. alloys compd.</s0></fA03><fA05><s2>553</s2></fA05><fA08 i1="01" i2="1" l="ENG"><s1>Hydrogenation studies on structural and magnetic properties of antiferromagnetic Kondo lattice Ce<sub>2</sub>Cu<sub>2</sub>In</s1></fA08><fA11 i1="01" i2="1"><s1>IWASIECZKO (Wadaw)</s1></fA11><fA11 i1="02" i2="1"><s1>KACZOROWSKI (Dariusz)</s1></fA11><fA14 i1="01"><s1>Institute of Low Temperature and Structure Research, Polish Academy of Sciences, P.O. Box 1410</s1><s2>50-950 Wroclaw</s2><s3>POL</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></fA14><fA20><s1>364-366</s1></fA20><fA21><s1>2013</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>1151</s2><s5>354000502447230620</s5></fA43><fA44><s0>0000</s0><s1>© 2013 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>8 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>13-0129259</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of alloys and compounds</s0></fA64><fA66 i1="01"><s0>GBR</s0></fA66><fC01 i1="01" l="ENG"><s0>Hydrogenation studies were carried out on an antiferromagnetic dense Kondo system Ce<sub>2</sub>Cu<sub>2</sub>In. Single-phase hydrides Ce<sub>2</sub>Cu<sub>2</sub>InH<sub>x</sub> were obtained for the hydrogen content 2.17 < x < 2.8. These compounds form with the crystal lattice of the parent alloy, yet with a strongly expanded unit cell, especially along the crystallographic c-axis. For x < 2.17 mixtures of Ce<sub>2</sub>Cu<sub>2</sub>In and Ce<sub>2</sub>Cu<sub>2</sub>InH<sub>∼2.2</sub> were observed, while for x > 3 amorphous material was obtained. The single-phase hydrides Ce<sub>2</sub>Cu<sub>2</sub>InH<sub>2.37</sub> and Ce<sub>2</sub>Cu<sub>2</sub>InH<sub>2.78</sub> are Curie-Weiss paramagnets due to stable Ce<sup>3+</sup> ions. For both compounds, near 11-13 K, some tiny features were observed in the magnetic susceptibility data, which might reflect weak magnetic ordering.</s0></fC01><fC02 i1="01" i2="3"><s0>001B70E20</s0></fC02><fC02 i1="02" i2="3"><s0>001B70E30M</s0></fC02><fC03 i1="01" i2="3" l="FRE"><s0>Hydrogénation</s0><s5>02</s5></fC03><fC03 i1="01" i2="3" l="ENG"><s0>Hydrogenation</s0><s5>02</s5></fC03><fC03 i1="02" i2="3" l="FRE"><s0>Amorphisation</s0><s5>03</s5></fC03><fC03 i1="02" i2="3" l="ENG"><s0>Amorphization</s0><s5>03</s5></fC03><fC03 i1="03" i2="3" l="FRE"><s0>Effet Kondo</s0><s5>04</s5></fC03><fC03 i1="03" i2="3" l="ENG"><s0>Kondo effect</s0><s5>04</s5></fC03><fC03 i1="04" i2="X" l="FRE"><s0>Réseau Kondo</s0><s5>05</s5></fC03><fC03 i1="04" i2="X" l="ENG"><s0>Kondo lattice</s0><s5>05</s5></fC03><fC03 i1="04" i2="X" l="SPA"><s0>Red Kondo</s0><s5>05</s5></fC03><fC03 i1="05" i2="3" l="FRE"><s0>Loi Curie Weiss</s0><s5>06</s5></fC03><fC03 i1="05" i2="3" l="ENG"><s0>Curie-Weiss law</s0><s5>06</s5></fC03><fC03 i1="06" i2="3" l="FRE"><s0>Susceptibilité magnétique</s0><s5>07</s5></fC03><fC03 i1="06" i2="3" l="ENG"><s0>Magnetic susceptibility</s0><s5>07</s5></fC03><fC03 i1="07" i2="3" l="FRE"><s0>Paramagnétisme</s0><s5>09</s5></fC03><fC03 i1="07" i2="3" l="ENG"><s0>Paramagnetism</s0><s5>09</s5></fC03><fC03 i1="08" i2="3" l="FRE"><s0>Hydrure</s0><s2>NA</s2><s5>15</s5></fC03><fC03 i1="08" i2="3" l="ENG"><s0>Hydrides</s0><s2>NA</s2><s5>15</s5></fC03><fC03 i1="09" i2="3" l="FRE"><s0>Cérium alliage</s0><s5>16</s5></fC03><fC03 i1="09" i2="3" l="ENG"><s0>Cerium alloys</s0><s5>16</s5></fC03><fC03 i1="10" i2="3" l="FRE"><s0>Composé intermétallique</s0><s5>17</s5></fC03><fC03 i1="10" i2="3" l="ENG"><s0>Intermetallic compounds</s0><s5>17</s5></fC03><fC03 i1="11" i2="3" l="FRE"><s0>Cuivre alliage</s0><s5>18</s5></fC03><fC03 i1="11" i2="3" l="ENG"><s0>Copper alloys</s0><s5>18</s5></fC03><fC03 i1="12" i2="3" l="FRE"><s0>Indium alliage</s0><s5>19</s5></fC03><fC03 i1="12" i2="3" l="ENG"><s0>Indium alloys</s0><s5>19</s5></fC03><fC03 i1="13" i2="3" l="FRE"><s0>Alliage ternaire</s0><s5>20</s5></fC03><fC03 i1="13" i2="3" l="ENG"><s0>Ternary alloys</s0><s5>20</s5></fC03><fC03 i1="14" i2="3" l="FRE"><s0>Lanthanide alliage</s0><s5>48</s5></fC03><fC03 i1="14" i2="3" l="ENG"><s0>Rare earth alloys</s0><s5>48</s5></fC03><fC03 i1="15" i2="3" l="FRE"><s0>Métal transition alliage</s0><s5>49</s5></fC03><fC03 i1="15" i2="3" l="ENG"><s0>Transition element alloys</s0><s5>49</s5></fC03><fN21><s1>105</s1></fN21></pA></standard></inist></record>Pour manipuler ce document sous Unix (Dilib)
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