Phase transitions involving vacancy ordering in two metal mercuric iodides, Ag2HgI4 and Cu2HgI4

Mark Lumsden; Michael Steinitz; E. J. McAlduff

doi:10.1063/1.359189

Phase transitions involving vacancy ordering in two metal mercuric iodides, Ag₂HgI₄ and Cu₂HgI₄

Mark Lumsden, Michael Steinitz, E. J. McAlduff

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11 Scopus citations

Abstract

We have investigated the thermochromic order-disorder phase transitions in two superionic conducting compounds, Ag₂HgI₄ and Cu ₂HgI₄, using capacitance dilatometry to determine the relative volume change, ΔV/V, at the transitions. We find an average ΔV/V of 9.6×10^-3 for Ag₂HgI₄ at a transition temperature of 48.75°C and an average ΔV/V of 4.0×10^-3 for Cu₂HgI₄ at a transition temperature of 63°C.

Original language	English
Pages (from-to)	6039-6041
Number of pages	3
Journal	Journal of Applied Physics
Volume	77
Issue number	11
DOIs	https://doi.org/10.1063/1.359189
State	Published - 1995
Externally published	Yes

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title = "Phase transitions involving vacancy ordering in two metal mercuric iodides, Ag2HgI4 and Cu2HgI4",

abstract = "We have investigated the thermochromic order-disorder phase transitions in two superionic conducting compounds, Ag2HgI4 and Cu 2HgI4, using capacitance dilatometry to determine the relative volume change, ΔV/V, at the transitions. We find an average ΔV/V of 9.6×10-3 for Ag2HgI4 at a transition temperature of 48.75°C and an average ΔV/V of 4.0×10-3 for Cu2HgI4 at a transition temperature of 63°C.",

author = "Mark Lumsden and Michael Steinitz and McAlduff, {E. J.}",

year = "1995",

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AU - Lumsden, Mark

AU - Steinitz, Michael

AU - McAlduff, E. J.

PY - 1995

Y1 - 1995

N2 - We have investigated the thermochromic order-disorder phase transitions in two superionic conducting compounds, Ag2HgI4 and Cu 2HgI4, using capacitance dilatometry to determine the relative volume change, ΔV/V, at the transitions. We find an average ΔV/V of 9.6×10-3 for Ag2HgI4 at a transition temperature of 48.75°C and an average ΔV/V of 4.0×10-3 for Cu2HgI4 at a transition temperature of 63°C.

AB - We have investigated the thermochromic order-disorder phase transitions in two superionic conducting compounds, Ag2HgI4 and Cu 2HgI4, using capacitance dilatometry to determine the relative volume change, ΔV/V, at the transitions. We find an average ΔV/V of 9.6×10-3 for Ag2HgI4 at a transition temperature of 48.75°C and an average ΔV/V of 4.0×10-3 for Cu2HgI4 at a transition temperature of 63°C.

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DO - 10.1063/1.359189

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JO - Journal of Applied Physics

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IS - 11

ER -

Phase transitions involving vacancy ordering in two metal mercuric iodides, Ag₂HgI₄ and Cu₂HgI₄

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