Hidden negative linear compressibility in lithium L-tartrate

Hamish H. -M. Yeung, Rebecca Kilmurray, Claire L. Hobday, Scott C. McKellar, Anthony K. Cheetham, David R. Allan, Stephen A. Moggach

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

By decoupling the mechanical behaviour of building units for the first time in a wine-rack framework containing two different strut types, we show that lithium L-tartrate exhibits NLC with a maximum value, K-max = -21 TPa-1, and an overall NLC capacity, chi(NLC) = 5.1%, that are comparable to the most exceptional materials to date. Furthermore, the contributions from molecular strut compression and angle opening interplay to give rise to so-called "hidden'' negative linear compressibility, in which NLC is absent at ambient pressure, switched on at 2 GPa and sustained up to the limit of our experiment, 5.5 GPa. Analysis of the changes in crystal structure using variable-pressure synchrotron X-ray diffraction reveals new chemical and geometrical design rules to assist the discovery of other materials with exciting hidden anomalous mechanical properties.

Original languageEnglish
Pages (from-to)3544-3549
Number of pages6
JournalPhysical Chemistry Chemical Physics
Volume19
Issue number5
DOIs
Publication statusPublished - 7 Feb 2017
Externally publishedYes

Cite this

Yeung, H. H. -M., Kilmurray, R., Hobday, C. L., McKellar, S. C., Cheetham, A. K., Allan, D. R., & Moggach, S. A. (2017). Hidden negative linear compressibility in lithium L-tartrate. Physical Chemistry Chemical Physics, 19(5), 3544-3549. https://doi.org/10.1039/c6cp08690j
Yeung, Hamish H. -M. ; Kilmurray, Rebecca ; Hobday, Claire L. ; McKellar, Scott C. ; Cheetham, Anthony K. ; Allan, David R. ; Moggach, Stephen A. / Hidden negative linear compressibility in lithium L-tartrate. In: Physical Chemistry Chemical Physics. 2017 ; Vol. 19, No. 5. pp. 3544-3549.
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Yeung, HH-M, Kilmurray, R, Hobday, CL, McKellar, SC, Cheetham, AK, Allan, DR & Moggach, SA 2017, 'Hidden negative linear compressibility in lithium L-tartrate' Physical Chemistry Chemical Physics, vol. 19, no. 5, pp. 3544-3549. https://doi.org/10.1039/c6cp08690j

Hidden negative linear compressibility in lithium L-tartrate. / Yeung, Hamish H. -M.; Kilmurray, Rebecca; Hobday, Claire L.; McKellar, Scott C.; Cheetham, Anthony K.; Allan, David R.; Moggach, Stephen A.

In: Physical Chemistry Chemical Physics, Vol. 19, No. 5, 07.02.2017, p. 3544-3549.

Research output: Contribution to journalArticle

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Yeung HH-M, Kilmurray R, Hobday CL, McKellar SC, Cheetham AK, Allan DR et al. Hidden negative linear compressibility in lithium L-tartrate. Physical Chemistry Chemical Physics. 2017 Feb 7;19(5):3544-3549. https://doi.org/10.1039/c6cp08690j