X-ray evidence for a new phase in ammonium hydrogen oxalate hemihydrate under pressure - Université Pierre et Marie Curie Access content directly
Journal Articles Revue de Physique Appliquée Year : 1988

X-ray evidence for a new phase in ammonium hydrogen oxalate hemihydrate under pressure

M. Oumezzine
  • Function : Author
R. Pick
  • Function : Author

Abstract

Using an X-ray diamond anvil cell, we have found superlattice reflections, characteristic of the high pressure-low temperature phase III of NH 4HC2O4, 1/2 H2O. At 77 K and 0.75 GPa, these peaks are located around each Bragg peaks of phase I at position ( h, k, 1 ± δ) with δ ≃ 0.25.
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jpa-00245753 , version 1 (01-01-1988)

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Louis Bosio, M. Oumezzine, R. Pick. X-ray evidence for a new phase in ammonium hydrogen oxalate hemihydrate under pressure. Revue de Physique Appliquée, 1988, 23 (2), pp.105-109. ⟨10.1051/rphysap:01988002302010500⟩. ⟨jpa-00245753⟩
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