Chevrel Phase Grain Flocculated Films Linked by Chemical Cross-Linking

概要

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A new method of forming superconducting grain flocculated films is presented. Chevrel phase compounds are used as superconducting grains, and these are combined with organic barriers. The barriers are formed by catalytic reaction on the grain surface, and are useful for Chevrel phase compound Josephson junctions. The grain flocculated film is composed of Josephson coupled grains. The importance of the orthokinetic flocculation and the mechanical syneresis for the flocculation process is shown. The temperature dependence of d V/dI is measured from 300 K to 4.2 K, and the magnetic field dependence of d V/dI is measured up to 1 kG. Below T_c, the I-V curve shows current steps up to n=3, with a voltage interval of approximately 45 mV. These current steps are proof that at least twenty junctions connected in series act coherently.
社団法人応用物理学会の論文
1984-08-20