Piston cylinder cell for high pressure ultrasonic pulse echo measurements

Ultrasonic techniques such as pulse echo, vibrating reed, or resonant ultrasound spectroscopy are powerful probes not only for studying elasticity but also for investigating electronic and magnetic properties. Here, we report on the design of a high pressure ultrasonic pulse echo apparatus, based on...

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Bibliographic Details
Published in:Review of scientific instruments 2016-08, Vol.87 (8), p.085103-085103
Main Authors: Kepa, M. W., Ridley, C. J., Kamenev, K. V., Huxley, A. D.
Format: Article
Language:English
Subjects:
Attenuation coefficients
COAXIAL CABLES
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
CYLINDERS
DESIGN
ELASTICITY
Ferromagnetism
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
LENGTH
MAGNETIC PROPERTIES
MONOCRYSTALS
PHASE DIAGRAMS
PISTONS
PRESSURE RANGE GIGA PA
PROBES
PULSES
REEDS
Scientific apparatus & instruments
Single crystals
SPECTROSCOPY
SUPERCONDUCTORS
Ultrasonic attenuation
ULTRASONIC WAVES
VELOCITY
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Summary:Ultrasonic techniques such as pulse echo, vibrating reed, or resonant ultrasound spectroscopy are powerful probes not only for studying elasticity but also for investigating electronic and magnetic properties. Here, we report on the design of a high pressure ultrasonic pulse echo apparatus, based on a piston cylinder cell, with a simplified electronic setup that operates with a single coaxial cable and requires sample lengths of mm only. The design allows simultaneous measurements of ultrasonic velocities and attenuation coefficients up to a pressure of 1.5 GPa. We illustrate the performance of the cell by probing the phase diagram of a single crystal of the ferromagnetic superconductor UGe2.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4960082