Superconductivity of Nearly Ferromagnetic Itinerant System TiCo

我们已经发现，近铁磁巡游电子在TiCo，这是一个3d带化合物，成为超导低于约50 mK。详细研究了该体系的正常态性质，证实其具有近铁磁巡游电子系统的特征。研究发现，该材料中含有少量的铁磁团簇，并表现出典型的磁后效。铁磁团簇的大小和数量与超导转变温度有关。LaPt_3Si的热容量也进行了类似的研究。

We have found that nearly ferromagnetic itinerant electrons in TiCo, which is a 3d-band compound, become superconducting below approximately 50 mK. The normal state properties have been studied in detail, and reconfirmed to have characteristic of nearly ferromagnetic itinerant electron system. It has been found that the material includes a small number of ferromagnetic clusters and shows typical magnetic aftereffects. The size and quantity of the ferromagnetic clusters have been clarified to be related to the superconducting transition temperature. The heat capacity of LaPt3Si has also been studied with the similar interest.