Abstract A single crystal of Pr2NiSi3 was examined by means of x-ray diffraction, magnetization, ac susceptibility, heat capacity and electrical resistivity measurements performed in wide ranges of the temperature and external magnetic fields. The compound crystallizes with simple hexagonal AlB2-type unit cell with crystallographic disorder in the non-magnetic atom sublattice. The results indicate formation at low temperatures of a spin-glass state with characteristic freezing temperature T f = 3.2 K , which most likely originates from intrinsic crystallographic disorder in the AlB2-type unit cell.

中文翻译：

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单晶 Pr2NiSi3 中的旋转玻璃冷冻

摘要 通过 X 射线衍射、磁化强度、交流磁化率、热容和电阻率测量，在较宽的温度和外部磁场范围内对 Pr2NiSi3 单晶进行了检测。该化合物结晶为简单的六角形 AlB2 型晶胞，在非磁性原子亚晶格中具有晶体学无序。结果表明在低温下形成具有特征冻结温度 T f = 3.2 K 的自旋玻璃态，这很可能源于 AlB2 型晶胞中的固有晶体学无序。