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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:A new ternary intermetallic compound, namely, YbMn2Sb2, has been synthesized and its magnetic and electrical transport properties have been studied in the temperature range of 2–300 K. This compound crystallizes in a trigonal, La2O2S-type structure sspace-group P3bm1, No. 164d and is found to be ferromagnetically ordered at room temperature. The magnetism is attributed to the ordering of Mn sublattice. M5 x-ray absorption spectrum of YbMn2Sb2 obtained at room temperature suggests that the valency of Yb in this compound is close to 2+. Electrical resistivity of this compound is metal-like and a positive magnetoresistance of 13% is observed at 5 K in an applied field of 9 T.