Journal of Mineralogical and Petrological Sciences
Online ISSN : 1349-3825
Print ISSN : 1345-6296
ISSN-L : 1345-6296
LETTER
Compression behavior of manganite
Akio SUZUKI
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2013 Volume 108 Issue 5 Pages 295-299

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Abstract

A high-pressure X-ray diffraction study of manganite (γ-MnOOH) was performed using 10.1 GPa at room temperature. The aim of this study was to determine the compression behavior of an oxyhydroxide with an InOOH-related structure. The pressure-volume data were fitted by a third-order Birch-Murnaghan equation of state with the following parameters: V0 = 270.47(9) Å3, K0 = 91(3) GPa, and K0' = 7(1). Analysis of axial compressibility showed that the a-and b-axes were more compressible than the c-axis.

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© 2013 Japan Association of Mineralogical Sciences
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