Magnetic properties of rare-earth sulfide YbAgS^sub 2
We have succeeded in synthesizing single-phase polycrystalline samples of YbAgS2 belonging to the tetragonal system with space group I41 md . YbAgS2 shows an antiferromagnetic transition at TN = 6.6 K . The effective magnetic moment is in good agreement with the theoretical value for Yb3+ free ion....
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| Veröffentlicht in: | Physica. B, Condensed matter Condensed matter, 2018-05, Vol.536, p.314 |
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| container_title | Physica. B, Condensed matter |
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| creator | Iizuka, Ryosuke Numakura, Ryosuke Michimura, Shinji Katano, Susumu Kosaka, Masashi |
| description | We have succeeded in synthesizing single-phase polycrystalline samples of YbAgS2 belonging to the tetragonal system with space group I41 md . YbAgS2 shows an antiferromagnetic transition at TN = 6.6 K . The effective magnetic moment is in good agreement with the theoretical value for Yb3+ free ion. A broad anomaly is observed just above TN in the temperature dependence of magnetic susceptibility. The entropy released at TN is only about half of Rln2 expected for a Kramers doublet ground state. We consider that these phenomena are due to the existence of short-range magnetic correlations rather than the partial screening of the Yb moments by conduction electrons via the Kondo effect. |
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YbAgS2 shows an antiferromagnetic transition at TN = 6.6 K . The effective magnetic moment is in good agreement with the theoretical value for Yb3+ free ion. A broad anomaly is observed just above TN in the temperature dependence of magnetic susceptibility. The entropy released at TN is only about half of Rln2 expected for a Kramers doublet ground state. We consider that these phenomena are due to the existence of short-range magnetic correlations rather than the partial screening of the Yb moments by conduction electrons via the Kondo effect.</description><identifier>ISSN: 0921-4526</identifier><identifier>EISSN: 1873-2135</identifier><language>eng</language><publisher>Amsterdam: Elsevier BV</publisher><subject>Antiferromagnetism ; Conduction electrons ; Entropy ; Intermetallic compounds ; Kondo effect ; Magnetic moments ; Magnetic permeability ; Magnetic properties ; Magnetism ; Rare earth elements ; Temperature ; Temperature dependence ; Trace elements</subject><ispartof>Physica. 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The effective magnetic moment is in good agreement with the theoretical value for Yb3+ free ion. A broad anomaly is observed just above TN in the temperature dependence of magnetic susceptibility. The entropy released at TN is only about half of Rln2 expected for a Kramers doublet ground state. 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B, Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Iizuka, Ryosuke</au><au>Numakura, Ryosuke</au><au>Michimura, Shinji</au><au>Katano, Susumu</au><au>Kosaka, Masashi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Magnetic properties of rare-earth sulfide YbAgS^sub 2</atitle><jtitle>Physica. B, Condensed matter</jtitle><date>2018-05-01</date><risdate>2018</risdate><volume>536</volume><spage>314</spage><pages>314-</pages><issn>0921-4526</issn><eissn>1873-2135</eissn><abstract>We have succeeded in synthesizing single-phase polycrystalline samples of YbAgS2 belonging to the tetragonal system with space group I41 md . YbAgS2 shows an antiferromagnetic transition at TN = 6.6 K . The effective magnetic moment is in good agreement with the theoretical value for Yb3+ free ion. A broad anomaly is observed just above TN in the temperature dependence of magnetic susceptibility. The entropy released at TN is only about half of Rln2 expected for a Kramers doublet ground state. We consider that these phenomena are due to the existence of short-range magnetic correlations rather than the partial screening of the Yb moments by conduction electrons via the Kondo effect.</abstract><cop>Amsterdam</cop><pub>Elsevier BV</pub></addata></record> |
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| subjects | Antiferromagnetism Conduction electrons Entropy Intermetallic compounds Kondo effect Magnetic moments Magnetic permeability Magnetic properties Magnetism Rare earth elements Temperature Temperature dependence Trace elements |
| title | Magnetic properties of rare-earth sulfide YbAgS^sub 2 |
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