Uniaxial negative thermal expansion in a weak-itinerant-ferromagnetic phase of CoZr${}_2$H${}_{3.49}$

Yuto Watanabe, Kota Suzuki, Takayoshi Katase +3

We discovered unique uniaxial negative thermal expansion (NTE) behavior for a weak-itinerant-ferromagnetic phase of CoZr${}_2$H${}_{3.49}$. CoZr${}_2$ is known as a superconductor ex…