(a) Photograph and (b) picture of the experimental UHV chamber.
Three-dimensional drawing of (a) new UHV in situ electrical-conductivity measurement cooling system (CRYOREC). (b) New sample-holder fixing and new movable conductivity-measurement mechanism. These mechanisms are indicated by arrows and ellipses. To realize the functions mentioned before, we have considered the following points in the design of CRYOREC.
(a) Three-dimensional drawing and (b) photograph of the new sample-holder fixing mechanism.
(a) Three-dimensional drawing, (b) photograph of the new movable conductivity-measurement mechanism, and (c) four probes, four-probe holder.
(a) Photograph and (b) picture of CRYOREC after the four probes are made contact with the sample.
Measurement result of the lowest temperature achievable for the test piece with and without using the new sample-holder fixing mechanism.
(a) Superconducting T c measurement results of the Bi2212 specimen before (the “blue” open circles) and after (the “red” filled squares) Cs adsorption and (b) the enlargement of (a).
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