Temperature-dependent pressure-induced softening in Zn(CN)${}_{2}$

Temperature-dependent pressure-induced softening in Zn(CN) $_{2}$

Hong Fang, Anthony E. Phillips, Martin T. Dove, Matthew G. Tucker, and Andrew L. Goodwin

Phys. Rev. B 88, 144103 – Published 8 October 2013

Abstract

We study the temperature dependence of the pressure-induced softening in the negative thermal expansion material Zn(CN) $_{2}$ using neutron powder diffraction and molecular dynamics simulations. Both the simulation and experiment show that the pressure-induced softening only occurs above a minimum temperature and also weakens at high temperatures.

Received 13 June 2013

DOI:https://doi.org/10.1103/PhysRevB.88.144103

Authors & Affiliations

Hong Fang¹, Anthony E. Phillips^2,3, Martin T. Dove^1,2,3,*, Matthew G. Tucker^4,5, and Andrew L. Goodwin⁶

¹Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom
²Centre for Condensed Matter and Materials Physics, School of Physics and Astronomy, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom
³Materials Research Institute, Queen Mary University of London, Mile End Road, London, E1 4NS, United Kingdom
⁴ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire, OX11 0QX, United Kingdom
⁵Diamond Light Source, Harwell Campus, Didcot, Oxfordshire, OX11 0DE, United Kingdom
⁶Department of Chemistry, University of Oxford, Inorganic Chemistry Laboratory, South Parks Road, Oxford, OX1 3QR, United Kingdom

^*martin.dove@qmul.ac.uk

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Vol. 88, Iss. 14 — 1 October 2013

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Physical Review B

covering condensed matter and materials physics

Temperature-dependent pressure-induced softening in Zn(CN) $_{2}$

Hong Fang, Anthony E. Phillips, Martin T. Dove, Matthew G. Tucker, and Andrew L. Goodwin

Phys. Rev. B 88, 144103 – Published 8 October 2013

Abstract

Authors & Affiliations

Article Text (Subscription Required)

Supplemental Material (Subscription Required)

References (Subscription Required)

Issue

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Physical Review B

covering condensed matter and materials physics

Temperature-dependent pressure-induced softening in Zn(CN)2

Hong Fang, Anthony E. Phillips, Martin T. Dove, Matthew G. Tucker, and Andrew L. Goodwin

Phys. Rev. B 88, 144103 – Published 8 October 2013

Abstract

Authors & Affiliations

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Temperature-dependent pressure-induced softening in Zn(CN) $_{2}$