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| Home > Publications database > Fast Proton Diffusion in Ca-doped LaPO4 studied by Quasi-Elastic Neutron Scattering > print |
| 001 | 188357 | ||
| 005 | 20240619092121.0 | ||
| 024 | 7 | _ | |2 doi |a 10.1021/jp5048425 |
| 024 | 7 | _ | |2 ISSN |a 1932-7447 |
| 024 | 7 | _ | |2 ISSN |a 1932-7455 |
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| 100 | 1 | _ | |0 P:(DE-HGF)0 |a al-Wahish, A. |b 0 |
| 245 | _ | _ | |a Fast Proton Diffusion in Ca-doped LaPO4 studied by Quasi-Elastic Neutron Scattering |
| 260 | _ | _ | |a Washington, DC |b Soc. |c 2014 |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1426174046_7587 |2 PUB:(DE-HGF) |
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| 520 | _ | _ | |a We have investigated the diffusion dynamics of protons in hydrated 4.2%Ca-doped LaPO4, a candidate electrolyte for proton-conducting intermediate temperaturefuel cells. The macroscopic and microscopic dynamics have been studied usingelectrochemical impedance spectroscopy (EIS) and quasi-elastic neutron scattering(QENS), respectively. The conductivity of the bulk hydrated sample was determined inthe temperature range of 500−850 °C by EIS and showed a clear signature of protonconductivity with an activation energy of about 1.0 eV. The QENS experiment revealed afast dynamical process below 500 °C that was not observed by EIS. The activation energyof the fast proton diffusion is 0.09 eV in the temperature range from 150 °C to 500 °C. |
| 536 | _ | _ | |0 G:(DE-HGF)POF2-54G24 |a 54G - JCNS (POF2-54G24) |c POF2-54G24 |f POF II |x 0 |
| 536 | _ | _ | |0 G:(DE-HGF)POF2-451 |a 451 - Soft Matter Composites (POF2-451) |c POF2-451 |f POF II |x 1 |
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| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Herwig, K. W. |b 3 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Bridges, C. A. |b 4 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Paranthaman, M. P. |b 5 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Mandrus, D. |b 6 |e Corresponding Author |
| 773 | _ | _ | |0 PERI:(DE-600)2256522-X |a 10.1021/jp5048425 |g Vol. 118, no. 35, p. 20112 - 20121 |n 35 |p 20112-20121 |t The @journal of physical chemistry |v 118 |x 1932-7455 |y 2014 |
| 856 | 4 | _ | |u http://pubs.acs.org/doi/abs/10.1021/jp5048425 |
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