Pressure transmitting medium Daphne 7474 solidifying at 3.7 GPaat room temperature

A pressure transmitting medium named Daphne 7474, which solidifies at P s = 3.7   GPa at room temperature, is presented. The value of P s increases almost linearly with temperature up to 6.7 GPa at 100 ° C . The high pressure realized by a medium at the liquid state allows a higher limit of pressuri...

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Published in:Review of scientific instruments 2008-08, Vol.79 (8), p.085101-085101-6
Main Authors: Murata, Keizo, Yokogawa, Keiichi, Yoshino, Harukazu, Klotz, Stefan, Munsch, Pascal, Irizawa, Akinori, Nishiyama, Mototsugu, Iizuka, Kenzo, Nanba, Takao, Okada, Tahei, Shiraga, Yoshitaka, Aoyama, Shoji
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Summary:A pressure transmitting medium named Daphne 7474, which solidifies at P s = 3.7   GPa at room temperature, is presented. The value of P s increases almost linearly with temperature up to 6.7 GPa at 100 ° C . The high pressure realized by a medium at the liquid state allows a higher limit of pressurization, which assures an ideal hydrostatic pressure. We show a volume change against pressure, pressure reduction from room to liquid helium temperature in a clamped piston cylinder cell, pressure distribution and its standard deviation in a diamond anvil cell, and infrared properties, which might be useful for experimental applications.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.2964117