The Behavior of Subgap Structures of Intrinsic Josephson Junctions in $({\rm Bi},{\rm Pb})_{2}{\rm Sr}_{2}{\rm CaCu}_{2}{\rm O}_{\rm y}$Under Magnetic Field and Microwave Irradiation
Abstract:We have extensively studied the behavior of pronounced subgap structures on the quasiparticle branches of the current-voltage ( ) characteristics of intrinsic Josephson junctions (IJJs) in (Bi 1 Pb ) 2 Sr 2 CaCu 2 O ( = 0 15, 0.2) single crystals for their applications in THz range. Six subgap structures are successfully observed between 6.3 and 26.2 mV on the first quasiparticle branch at 4.2 K. The intensities of two typical subgap structures at 6.3 and 8.2 mV are found to be approximately proportional to 2 … Show more
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