Geometric effects of deuteration on hydrogen-ordering phase transitions

McMahon, M. I. ; Nelmes, R. J. ; Kuhst, W. F. ; Dorwarth, R. ; Piltz, R. O. ; Tun, Z.

[s.l.] : Nature Publishing Group
Published 1990
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
Chemistry and Pharmacology
Medicine
Natural Sciences in General
Physics
Notes:
[Auszug] KH2PO4 (KDP) undergoes an H-ordering phase transition to a ferroelectric phase on cooling through Tc= 122 K at atmospheric pressure. Above Tc, the H atoms are 50:50 disordered over two sites, 8 apart, in short O-H-O bonds of length 2R linking the PO4 tetrahedra. Below Tc, the H atoms order fully ...
Type of Medium:
Electronic Resource
URL: