Vortex pinning of Ba${}_{0.62}$K${}_{0.38}$BiO${}_3$ investigated by magneto-optical Kerr-effect and magnetization measurements

Soichiro Yamane, Sota Nakamura, Atsutoshi Ikeda +8

Vortex pinning plays a crucial role in determining properties of type-II superconductors. For example, it governs the irreversible magnetic response as well as dissipation caused b…