Statistical and Low Temperature Physics - University of Liverpool
Statistical and Low Temperature Physics - University of Liverpool
Statistical and Low Temperature Physics - University of Liverpool
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Superconducting heat switch<br />
In this figure, the aluminium in the middle becomes<br />
superconducting at low temperatures. The sample is on one<br />
side, <strong>and</strong> the refrigerator is on the other side.<br />
T. Okamoto, H. Fukuyama, H. Ishimoto, S. Ogawa: Rev. Sci. Instrum. 61, 1332 (1990)<br />
This is surrounded by a solenoid. When an electric current is<br />
passed into the solenoid, the magnetic field penetrates into the<br />
aluminium <strong>and</strong> changes it to the normal conducting state.<br />
<strong>Statistical</strong> <strong>Physics</strong> 49 Oct - Dec 2009