Ultralow 1/f Noise in a Heterostructure of Superconducting Epitaxial Cobalt-Disilicide Thin Film on Silicon

Shao-Pin Chiu, Sheng-Shiuan Yeh, Chien-Jyun Chiou +3

High-precision resistance noise measurements indicate that the epitaxial CoSi${}_2$/Si hetero-structures at 150 K and 2 K (slightly above its superconducting transition temperature $…