High-pressure probe and cryostat for pulsed NMR in a cryomagnet

Abstract
The construction of a probe suitable for pulsed NMR for the investigation of fluids and solids at hydrostatic pressures up to 3 kbar is reported. The probe fits in a cryostat constructed inside the room-temperature bore of a superconducting magnet. The temperature can be controlled in the range from 80 to 380 K. The apparatus has been used successfully in a NMR study of self-diffusion in gaseous and liquid xenon, using 129Xe and 131Xe spin echoes at 75 and 22 MHz, respectively.

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