Magnetic structures of Zr6CoAs2-type Ho6-xErxMnBi2 solid solutionsстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Investigations were made by neutron diffraction on Zr6CoAs2-type (space group P62m no. 189) Ho6−xErxMnBi2 solid solutions. The ferromagnetic ordering temperature decreases from Ho6MnBi2 (TC = 200(6) K) to Er6MnBi2 (TC = 100(4) K), whereas temperatures of ferrimagnetic (or antiferrimagnetic) ordering (TFerri and TAFerri) are found to have non-monotonic dependences on the content of Er: TFerri = 58(4)K for Ho6MnBi2,TFerri = 162(4)K for Ho4.5Er1.5MnBi2, TFerri = 150(4)K for Ho3Er3MnBi2, TAFerri = 78(4)K for Ho1.5Er4.5MnBi2 and TAFerri = 52(4)K for Er6MnBi2.
In these compounds, no local moment was detected on the manganese ion site, except for Ho1.5Er4.5MnBi2 and Er6MnBi2 compounds. The manganese magnetic moments (μMn) is 1.5μB and these are antiferromagnetically coupled with that of rare earth moments.