A Peltier cooling diamond anvil cell for low-temperature Raman spectroscopic measurements

Naoki Noguchi, Takuo Okuchi

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A new cooling system using Peltier modules is presented for a low-temperature diamond anvil cell instrument. This cooling system has many advantages: it is vibration-free, low-cost, and compact. It consists of double-stacked Peltier modules and heat sinks, where a cooled ethylene glycol-water mixture flows through a chiller. Current is applied to the Peltier modules by two programmable DC power supplies. Sample temperature can be controlled within the range 210-300 K with a precision of ±0.1 K via a Proportional-Integral-Differential (PID) control loop. A Raman spectroscopic study for the H2O ice VII-VIII transition is shown as an example of an application of the Peltier cooling diamond anvil cell system.

Original languageEnglish
Article number125107
JournalReview of Scientific Instruments
Issue number12
Publication statusPublished - Dec 1 2016


ASJC Scopus subject areas

  • Instrumentation

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