Development of multi-frequency ESR system for high-pressure measurements up to 2.5 GPa

Journal of Magnetic Resonance
Takahiro SakuraiH Tanaka

Abstract

A new piston-cylinder pressure cell for electron spin resonance (ESR) has been developed. The pressure cell consists of a double-layer hybrid-type cylinder with internal components made of the ZrO2-based ceramics. It can generate a pressure of 2 GPa repeatedly and reaches a maximum pressure of around 2.5 GPa. A high-pressure ESR system using a cryogen-free superconducting magnet up 10T has also been developed for this hybrid-type pressure cell. The frequency region is from 50 GHz to 400 GHz. This is the first time a pressure above 2 GPa has been achieved in multi-frequency ESR system using a piston-cylinder pressure cell. We demonstrate its potential by showing the results of the high-pressure ESR of the S=1 system with the single ion anisotropy NiSnCl6·6H2O and the S=1/2 quantum spin system CsCuCl3. We performed ESR measurements of these systems above 2 GPa successfully.

References

Nov 8, 2002·Nature·I MirebeauJ S Gardner
Jul 7, 2007·The Review of Scientific Instruments·T SakuraiY Uwatoko
Aug 4, 2007·The Review of Scientific Instruments·Naoki FujiwaraYoshiya Uwatoko
Jun 4, 2008·Physical Review Letters·Ch RüeggM Boehm
Mar 1, 1978·The Review of Scientific Instruments·J D BarnettH M Nelson
Oct 7, 2008·Journal of Magnetic Resonance·Bálint NáfrádiLászló Forró
Sep 13, 2012·Journal of Magnetic Resonance·T SakuraiY Uwatoko

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