He3 Cryostat with High Pressure Hydrogen Chamber for Superconductivity Measurements in Metal-Hydrogen Alloys
A sorption pumping He3cryostat has been constructed, which enables one to obtain Pd-Hx alloys in the concentration range of hydrogen corresponding to the occurrence of superconductivity, using high pressure techniques. After hydrogenation, the sample is cooled to a temperature of 0.4 K, in such a way as to avoid hydrogen desorption. The apparatus is used for determing Tc(X) dependence and for tunneling measurements of Pd-Hx below 1 K.
KeywordsHigh Pressure Chamber High Hydrogen Concentration Stainless Steel Capillary Tube Palladium Hydride High Pressure Technique
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