The equations of state of statically compressed palladium and rhodium

The equations of state of statically compressed palladium and rhodium

The pressure–volume equations of state of palladium and rhodium statically compressed in neon are presented. Vinet fits give parameters for palladium: V 0 = 58.678 ( 73 ) Å 3, B 0 = 189.3 ( 30 ) GPa, B 0 ′ = 5.473 ( 63 ), and rhodium: V 0 = 55.062 ( 63 ) Å 3, B 0 = 241.3 ( 65 ) GPa, B 0 ′ = 5.34 ( 2...

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Veröffentlicht in:Journal of applied physics 2023-07, Vol.134 (3)
Hauptverfasser: Frost, Mungo, Smith, Dean, McBride, Emma E., Smith, Jesse S., Glenzer, Siegfried H.
Format: Artikel
Sprache:eng
Schlagworte:
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
diamond anvil cells
Equations of state
MATERIALS SCIENCE
Mathematical analysis
Neon
Palladium
Parameters
Rhodium
transition metals
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Zusammenfassung:The pressure–volume equations of state of palladium and rhodium statically compressed in neon are presented. Vinet fits give parameters for palladium: V 0 = 58.678 ( 73 ) Å 3, B 0 = 189.3 ( 30 ) GPa, B 0 ′ = 5.473 ( 63 ), and rhodium: V 0 = 55.062 ( 63 ) Å 3, B 0 = 241.3 ( 65 ) GPa, B 0 ′ = 5.34 ( 24 ). Both metals are observed to react with hydrocarbons under pressure to form hydrides. Existing equations of state are discussed with regard to potential inadvertent hydrogen contamination as a source for discrepancies and anomalous fitted parameters.
ISSN:0021-8979
1089-7550
DOI:10.1063/5.0161038