Multiple magnetic phase transitions in CePd2In4статья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 9 ноября 2013 г.
Аннотация:Low-temperature physical properties of a novel compound CePd2In4 that crystallizes with its own crystal structure type (space group Pmc21, Z = 10) were investigated by means of magnetic susceptibility, magnetization,heat capacity, electrical resistivity and magnetoresistivity measurements. The compound orders antiferromagnetically at TN = 2.4 K due to magnetic moments carried by fairly stable Ce3+ ions.
In the ordered state, at Tt = 1.1 K, another magnetic phase transition is observed that probably signals a change in the antiferromagnetic arrangement of the Ce magnetic moments. The magnetic structures of CePd2In4 appear quite sensitive to external magnetic field, which easily induces metamagnetic-like transitions in the system. The low-temperature thermodynamic and electrical transport data of CePd2In4 reveal its dense Kondo nature with the characteristic energy scale fairly close to TN.