In the framework of the AEgIS project a series of steady state and dynamic heat transfer measurements at ultra-low temperatures was conducted in the Central Cryogenic Laboratory at CERN. Two sandwich setups, simulating the behaviour of ultra-cold AEgIS electrodes, were investigated and compared, namely: A sapphire-indium-copper and a sapphire-Titanium-gold-indium-copper sandwich. The total thermal resistivity of both sandwich setups was evaluated as a function of the influence of normal and superconducting thin layers and multiple dielectric-metallic interfaces in terms of Kapitza resistance. The resulting limitations of the electrode's design are presented.
|IOP Conference Series: Materials Science and Engineering
|Published - 3 Jun 2019
|27th International Cryogenics Engineering Conference and International Cryogenic Materials Conference 2018 - Oxford, United Kingdom
Duration: 3 Sept 2018 → 7 Sept 2018
Conference number: 27