Structural studies of KDP and the KDP-type transition by neutron and x-ray diffraction: 1970–1985

1 January 1987

journal article
research article
Published by Taylor & Francis in Ferroelectrics

Vol. 71 (1) , 87-123
https://doi.org/10.1080/00150198708224832

Abstract

Structural work on KH₂PO₄, KD₂PO₄, RbH₂PO₄ and partially-deuterated CsH₂AsO₄ and RbH₂PO₄ over the period 1970 to 1985, is fully reviewed. The content is predominantly the Edinburgh-based programme of neutron-diffraction studies, but other X-ray and neutron-diffraction work on these isomorphs is also included. Following a general presentation of the period 1970 to 1980, the most recent results, conclusions and current work are discussed in terms of four main topics: the hydrogen bond, the onset of structural order below T_c , pressure effects, and the soft mode. Finally, some suggestions are made for further structural studies and closely-related theoretical and experimental work.

Keywords

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