An Electromagnetic Squeezer for Compressing Squeezable Electron Tunneling Junctions.
CALIFORNIA UNIV SANTA BARBARA DEPT OF PHYSICS
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The resistance of squeezable electron tunnel junctions SET junctions can be adjusted with an electromagnetic squeezer. For junctions immersed in liquid helium, the resistance is stable to approximately 0.1. This stability is sufficient for measurements of superconducting energy gaps and for superconducting phonon spectroscopy out to 50 mV applied bias. Increased stability, especially at higher biases, will be necessary for inelastic electron tunneling spectroscopy.
- Solid State Physics