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Using high pressure to prepare polymorphs of the Ba2Co1-xZnxS3(0 ≤ x ≤ 1.0) compounds

Mezzadri, Francesco; Gilioli, Edmondo; Calestani, Gianluca; Migliori, Andrea; Harrison, Mark R.; Headspith, David A.; Francesconi, M. Grazia


Francesco Mezzadri

Edmondo Gilioli

Gianluca Calestani

Andrea Migliori

Mark R. Harrison

David A. Headspith


In this work, high pressure was used as a tool to induce structural transition and prepare metastable polymorphs of ternary sulfides. Structural transformations under high pressure of compounds belonging to the Ba 2 Co 1-x Zn x S 3 (0 ≤ x ≤ 1.0) series were studied using X-ray diffraction and electron microscopy. All members of the Ba 2 Co 1-x Zn x S 3 series show the Ba 2 CoS 3 -type one-dimensional structure, but, after heating under pressure, the Ba 2 CoS 3 compound (x = 0) separates into BaS and the two-dimensional BaCoS 2-δ (δ ≈ 0), while Ba 2 Co 1-x Zn x S 3 compounds with x ≥ 0.25 maintain their one-dimensional features but rearrange into polymorphs showing the Ba 2 MnS 3 -type structure. All structural transformations can be linked to shortening in interchain metal-metal distances caused by the high pressure, and the role of the zinc in preventing loss of one-dimensionality is discussed. © 2011 American Chemical Society.


Mezzadri, F., Gilioli, E., Calestani, G., Migliori, A., Harrison, M. R., Headspith, D. A., & Francesconi, M. G. (2012). Using high pressure to prepare polymorphs of the Ba2Co1-xZnxS3(0 ≤ x ≤ 1.0) compounds. Inorganic chemistry, 51(1), 397-404.

Journal Article Type Article
Acceptance Date Aug 18, 2011
Online Publication Date Dec 16, 2011
Publication Date Jan 2, 2012
Deposit Date Nov 13, 2014
Journal Inorganic Chemistry
Print ISSN 0020-1669
Electronic ISSN 1520-510X
Publisher American Chemical Society
Peer Reviewed Peer Reviewed
Volume 51
Issue 1
Pages 397-404
Keywords Physical and Theoretical Chemistry; Inorganic Chemistry
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