Low-temperature pressure variations in a self-clamping pressure cell

Review of Scientific Instruments - Tập 55 Số 2 - Trang 231-234 - 1984
J. D. Thompson1
1Los Alamos National Laboratory, Los Alamos, New Mexico, 87545

Tóm tắt

A simple method is described that permits a consistent determination of thermally induced pressure variations in a piston-cylinder, self-clamping pressure cell at temperatures less than ambient. Significant pressure changes are found to be present even for T<75 K. It is also shown that the pressure coefficient of resistance of a manganin-wire gauge is, to within experimental uncertainty, independent of temperature over the range 0<T≤300 K.

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Tài liệu tham khảo

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Thông tin
Thông tin xuất bản

Review of Scientific Instruments

Tập 55 Số 2

231-234

Thông tin tác giả