Reference : Evidence for low temperature phase transition in Rb2ZnCl4 from dielectric constant an...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/13495
Evidence for low temperature phase transition in Rb2ZnCl4 from dielectric constant and birefringence measurements
English
Günter, P. [> >]
Sanctuary, Roland mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Rohner, F. [> >]
Arend, H. [> >]
Seidenbusch, W. [> >]
1981
Solid State Communications
Pergamon Press - An Imprint of Elsevier Science
37
11
883-888
Yes (verified by ORBilu)
0038-1098
[en] Temperature dependences of the dielectric constants [epsilon]i and of the birefringences [Delta]ni for light propagation directions along all the three crystallographic axes (i = a, b, c) have been measured between 5 and 350 K. The optical measurements clearly reveal a new phase transition at TL = 75 K, below which the crystal structure is transformed from the ferroelectric Pna21 phase into an unknown low temperature phase, possibly the monoclinic space group P1121. Small peaks in the dielectric constants [epsilon]a and [epsilon]b have been observed at this transition temperature.
http://hdl.handle.net/10993/13495
10.1016/0038-1098(81)90502-0
http://www.sciencedirect.com/science/article/B6TVW-46Y3B0T-9W/2/85a68fd16a99785e549f9168cfe4500f

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