Investigation of the proton migration mechanism in the perovskite proton conductor Ba3Ca1.18Nb1.82H0.2O8.83 by means of quasielastic neutron scattering

Ionics ◽  
1996 ◽  
Vol 2 (1) ◽  
pp. 69-74 ◽  
Author(s):  
Ch. Karmonik ◽  
R. Hempelmann ◽  
J. Cook ◽  
F. Güthoff
Keyword(s):  
Neutron Scattering ◽  
Proton Conductor ◽  
Migration Mechanism ◽  
Quasielastic Neutron ◽  
Quasielastic Neutron Scattering ◽  
Proton Migration

Proton Diffusion in Strontium Cerate Ceramics studied by Quasielastic Neutron Scattering and Impedance Spectroscopy

1995 ◽  
Vol 50 (6) ◽  
pp. 539-548 ◽  
Author(s):  
Ch. Karmonik ◽  
R. Hempelmann ◽  
Th. Matzke ◽  
T. Springer
Keyword(s):  
Diffusion Coefficient ◽  
Impedance Spectroscopy ◽  
Neutron Scattering ◽  
Elevated Temperatures ◽  
Diffusion Mechanism ◽  
Proton Conductor ◽  
Proton Diffusion ◽  
Quasielastic Neutron ◽  
Quasielastic Neutron Scattering ◽  
Strontium Cerate

Abstract Perovskite structured strontium cerate doped with ytterbium and water, e.g. SrCe0.95Yb0.05 H0.02O2.985, is a well known proton conductor at elevated temperatures. We have studied its proton conductivity or diffusivity, respectively, by impedance spectroscopy, IS, and by quasielastic neutron scattering, QENS. While the former method yields a macroscopic proton diffusion coefficient, the latter method allows to elucidate the microscopic proton diffusion mechanism. It consists of a sequence of free diffusion and trapping/escape events with the Yb3+ ions acting as trapping centers. The self-diffusion coefficient obtained with QENS agrees with the conductivity diffusion coefficient obtained with IS.

scholarly journals Proton dynamics of two-dimensional oxalate-bridged coordination polymers

2014 ◽  
Vol 16 (32) ◽  
pp. 17295-17304 ◽  
Author(s):  
Satoshi Miyatsu ◽  
Maiko Kofu ◽  
Atsushi Nagoe ◽  
Takeshi Yamada ◽  
Masaaki Sadakiyo ◽  
...  
Keyword(s):  
Neutron Scattering ◽  
Coordination Polymers ◽  
Conduction Mechanism ◽  
Proton Conductor ◽  
Proton Conduction ◽  
Two Dimensional ◽  
Quasielastic Neutron ◽  
New Type ◽  
Proton Dynamics ◽  
Quasielastic Neutron Scattering

The dynamics of H2O molecules and NH4+ ions in a new type of crystalline proton conductor (NH4)2(adp)[Zn2(ox)3]·3H2O has been investigated by quasielastic neutron scattering techniques to elucidate the proton conduction mechanism.

Molecular dynamics of cyclohexane guest molecules in the cyclohexane/thiourea inclusion compound: an incoherent quasielastic neutron scattering investigation

1998 ◽  
Vol 93 (4) ◽  
pp. 545-554 ◽  
Author(s):  
MATTHEW JONES ◽  
FRANCOIS GUILLAUME ◽  
KENNETH HARRIS ◽  
ABIL ALIEV ◽  
PASCALE GIRARD ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Neutron Scattering ◽  
Inclusion Compound ◽  
Guest Molecules ◽  
Quasielastic Neutron ◽  
Quasielastic Neutron Scattering

scholarly journals High Hydrogen Mobility in an Amide–Borohydride Compound Studied by Quasielastic Neutron Scattering

2021 ◽  
pp. 2100620
Author(s):  
Neslihan Aslan ◽  
Gökhan Gizer ◽  
Claudio Pistidda ◽  
Martin Dornheim ◽  
Martin Müller ◽  
...  
Keyword(s):  
Neutron Scattering ◽  
High Hydrogen ◽  
Quasielastic Neutron ◽  
Quasielastic Neutron Scattering

Molecular-dynamics study of incoherent quasielastic neutron-scattering spectra of supercooled water

1997 ◽  
Vol 56 (4) ◽  
pp. 4231-4243 ◽  
Author(s):  
S.-H. Chen ◽  
P. Gallo ◽  
F. Sciortino ◽  
P. Tartaglia
Keyword(s):  
Molecular Dynamics ◽  
Neutron Scattering ◽  
Supercooled Water ◽  
Quasielastic Neutron ◽  
Scattering Spectra ◽  
Quasielastic Neutron Scattering

The structure, methyl rotation reflected in inelastic and quasielastic neutron scattering and vibrational spectra of 1,2,3,5-tetramethoxybenzene and its 2:1 complex with 1,2,4,5-tetracyanobenzene

2008 ◽  
Vol 129 (15) ◽  
pp. 154506 ◽  
Author(s):  
Andrzej Pawlukojć ◽  
Michael Prager ◽  
Wanda Sawka Dobrowolska ◽  
Grażyna Bator ◽  
Lucjan Sobczyk ◽  
...  
Keyword(s):  
Neutron Scattering ◽  
Vibrational Spectra ◽  
Quasielastic Neutron ◽  
Quasielastic Neutron Scattering ◽  
Methyl Rotation
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