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American Mineralogist

Journal of Earth and Planetary Materials

Ed. by Baker, Don / Xu, Hongwu / Swainson, Ian


IMPACT FACTOR 2018: 2.631

CiteScore 2018: 2.55

SCImago Journal Rank (SJR) 2018: 1.355
Source Normalized Impact per Paper (SNIP) 2018: 1.103

Online
ISSN
1945-3027
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Volume 88, Issue 10

Issues

Structural deformation mechanisms of zeolites under pressure

Rossella Arletti / Orazio Ferro / Simona Quartieri / Alessandra Sani / Gloria Tabacchi
  • Dipartimento di Scienze Chimiche, Fisiche e Matematiche, Università dell’Insubria, via Lucini 3, I-22100, Como, Italy
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Giovanna Vezzalini
Published Online: 2015-03-31 | DOI: https://doi.org/10.2138/am-2003-1004

Abstract

The HP behavior of the natural zeolite yugawaralite and of the synthetic zeolite Na-A was studied by in situ synchrotron X-ray powder diffraction, using a non-penetrating P-transmitting medium. The unit-cell parameters of yugawaralite were refined up to the pressure of 10 GPa, at which reductions were found of about 7, 2.4, 7, 1.3, and 15% for a, b, c, β, and V, respectively. Contractions of 6.5 and 18.4% were found for a and V, respectively, for zeolite Na-A in the range 10-4 to 6.8 GPa. Diffraction patterns collected during decompression show that the effects induced by high pressure on both samples are almost completely reversible. These results are compared with those obtained under similar experimental conditions for other natural zeolites, with the aim of rationalizing the deformation mechanisms of these porous materials and comparing their flexibility under high-pressure and high-temperature conditions.

About the article

Received: 2002-11-09

Accepted: 2002-11-09

Published Online: 2015-03-31

Published in Print: 2003-10-01


Citation Information: American Mineralogist, Volume 88, Issue 10, Pages 1416–1422, ISSN (Online) 1945-3027, ISSN (Print) 0003-004X, DOI: https://doi.org/10.2138/am-2003-1004.

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© 2015 by Walter de Gruyter Berlin/Boston.

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