Proton tunneling and nonlinear polarizability effects in hydrogen-bonded ferroelectrics

1998 ◽  
Author(s):  
A. Bussmann-Holder ◽  
K.-H. Michel
Keyword(s):  
Proton Tunneling ◽  
Nonlinear Polarizability ◽  
Hydrogen Bonded

The Isotope Effect in Hydrogen-Bonded Systems

1998 ◽  
Vol 12 (29n31) ◽  
pp. 3406-3408
Author(s):  
A. Bussmann-Holder ◽  
K.-H. Michel
Keyword(s):  
Transition Temperature ◽  
Isotope Effect ◽  
Proton Tunneling ◽  
Organic Systems ◽  
Hydrogen Bonded Systems ◽  
Hydrogen Bonded

The giant isotope effect on the ferro- and antiferroelectric transition temperature upon deuteration of hydrogen-bonded systems is well known experimentally since various decades. Yet, theoretically only recently a microscopic understanding of this effect has been achieved which, specifically, took into account the geometry of the O ⋯ H ⋯ O bond. The implications of this modeling are multiple as numerous hydrogen-bonded organic systems show the same effects as ferro- and antiferroelectrics, i.e., cooperative proton tunneling at a well-defined temperature.

Direct studies of proton tunneling in hydrogen bonded mixed molecular crystals by optical excitation

1984 ◽  
Vol 80 (5) ◽  
pp. 1744-1753 ◽  
Author(s):  
John M. Clemens ◽  
R. M. Hochstrasser ◽  
H. P. Trommsdorff
Keyword(s):  
Molecular Crystals ◽  
Optical Excitation ◽  
Proton Tunneling ◽  
Hydrogen Bonded

Phonon-assisted proton tunneling in the hydrogen-bonded dimeric selenates of Cs3H(SeO4)2

2020 ◽  
Vol 152 (15) ◽  
pp. 154502 ◽  
Author(s):  
Hiroshi Matsui ◽  
Kazuki Shimatani ◽  
Yuka Ikemoto ◽  
Takahiko Sasaki ◽  
Yasumitsu Matsuo
Keyword(s):  
Proton Tunneling ◽  
Hydrogen Bonded
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