Wednesday, October 3, 2012

1210.0391 (S. Nakamura et al.)

New Heat-Capacity Measurements of the Possible Order-Disorder Transition
in the 4/7-phase of 2D Helium

S. Nakamura, K. Matsui, T. Matsui, Hiroshi Fukuyama
We have developed a new heat-capacity measuring system with ZYX graphite that is known to have much better crystallinity than Grafoil and started data collection. We report preliminary data as well as a detailed description of instrumentation including a mechanical heat-switch operated by hydraulic pressure of superfluid helium-4.
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