Title
Proton tunneling and nonlinear polarizability effects in hydrogen-bonded ferroelectrics Proton tunneling and nonlinear polarizability effects in hydrogen-bonded ferroelectrics
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
conferenceObject
Publication
New York ,
Subject
Physics
Source (journal)
AIP conference proceedings / American Institute of Physics. - New York
Source (book)
5th Williamsburg Workshop on 1st-Principles Calculations for, Ferroelectrics, FEB 01-04, 1998, WILLIAMSBURG, VA
Volume/pages
(1998) :436 , p. 202-206
ISBN
1-56396-730-8
ISI
000075034000022
Carrier
E
Target language
English (eng)
Affiliation
University of Antwerp
Abstract
Hydrogen-bonded ferroelectrics are modelled by a coupled spin/nonlinear lattice (polarizability) interaction Hamiltonian, where specifically the geometry of the hydrogen bond is included. The model leads to a structural phase transition and describes correctly the isotope effect due to the substitution H/D in hydrogen-bonded systems in terms of bond length changes.
E-info
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Handle