Abstract

Glass capacitors provide an inexpensive but precise method for measuring Kapitza resistance. A small piece of glass is coated with metal on two sides to form a capacitor which is then immersed in liquid helium. Once calibrated, the capacitor serves as a sensitive thermometer which can be heated ohmically and used to measure the Kapitza resistance between the helium and the metal or any coating placed over the metal. We discuss techniques for both preparing samples and measuring Kapitza resistance, including suggestions for future development.

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