Measurement of anharmonicity of phonons in the negative thermal expansion compound Zn(CN)(2) by high pressure inelastic neutron scattering

[摘要]：Zn(CN)(2) is known to have an isotropic negative thermal expansion (NTE) coefficient (about -51x10(-6) K-1) over 10-370 K that is twice as large as that of ZrW2O8. We have measured the pressure dependence of the phonon spectra up to 30 meV from a polycrys

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