Journal
HIGH PRESSURE RESEARCH
Volume 34, Issue 4, Pages 371-384Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/08957959.2014.977276
Keywords
high pressure; magnetisation and magnetic susceptibility measurements; turnbuckle opposed anvil cell; SQUID magnetometer; composite polymer; magnetic property measurement system(MPMS)
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Funding
- Engineering and Physical Science Research Council of the United Kingdom (EPSRC)
- Engineering and Physical Sciences Research Council [EP/J00099X/1] Funding Source: researchfish
- EPSRC [EP/J00099X/1] Funding Source: UKRI
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The applicability of fibre-reinforced polymers for fabrication of high pressure cells was assessed using finite element analysis and experimental testing. Performance and failure modes for the key components of the cell working in tension and in compression were evaluated and the ways for optimising the designs were established. These models were used in construction of a miniature fully non-metallic diamond anvil cell for magnetic ac susceptibility measurements in a magnetic property measurement system. The cell is approximately 14mm long, 8.5mm in diameter and was demonstrated to reach a pressure of 5.6GPa. AC susceptibility data collected on Dy2O3 demonstrate the performance of the cell in magnetic property measurements and confirm that there is no screening of the sample by the environment which typically accompanies the use of conventional metallic high pressure cells in oscillating magnetic fields.
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