Nature of c-axis coupling in underdoped Bi2Sr2CaCu2O8 with varying degrees of disorder

Panayotis Spathis, Sylvain Colson, Feng Yang +7

The dependence of the Josephson Plasma Resonance (JPR) frequency in heavily underdoped Bi2Sr2CaCu2O8+δon temperature and controlled pointlike disorder, introduced by high-energy el…