Active Filters

  • (-) Empa Laboratories = 201 High Performance Ceramics
  • (-) Publication Year = 2006 - 2019
  • (-) Keywords ≠ PZT
  • (-) Empa Laboratories ≠ 401 Biomimetic Membranes and Textiles
  • (-) Empa Authors = Chen, Qianli
Search Results 1 - 14 of 14
  • RSS Feed
Select Page
<i>In situ</i> ambient pressure XPS observation of surface chemistry and electronic structure of α-Fe<sub>2</sub> O<sub>3</sub> and γ-Fe<sub>2</sub> O<sub>3</sub> nanoparticles
Flak, D., Chen, Q., Simon Mun, B., Liu, Z., Rękas, M., & Braun, A. (2018). In situ ambient pressure XPS observation of surface chemistry and electronic structure of α-Fe2 O3 and γ-Fe2 O3 nanoparticles. Applied Surface Science, 455, 1019-1028. https://doi.org/10.1016/j.apsusc.2018.06.002
Experimental neutron scattering evidence for proton polaron in hydrated metal oxide proton conductors
Braun, A., & Chen, Q. (2017). Experimental neutron scattering evidence for proton polaron in hydrated metal oxide proton conductors. Nature Communications, 8, 15830 (8 pp.). https://doi.org/10.1038/ncomms15830
Elucidating the biography of a proton in a proton conductor with neutrons and X-rays
Chen, Q., & Braun, A. (2015). Elucidating the biography of a proton in a proton conductor with neutrons and X-rays. Swiss Neutron News, 45, 14-22.
Observation of oxygen vacancy filling under water vapor in ceramic proton conductors in situ with ambient pressure XPS
Chen, Q., El Gabaly, F., Aksoy Akgul, F., Liu, Z., Mun, B. S., Yamaguchi, S., & Braun, A. (2013). Observation of oxygen vacancy filling under water vapor in ceramic proton conductors in situ with ambient pressure XPS. Chemistry of Materials, 25(23), 4690-4696. https://doi.org/10.1021/cm401977p
Proton diffusivity in spark plasma Sintered BaCe<SUB>0.8</SUB>Y<SUB>0.2</SUB>O<SUB>3 - δ</SUB> : <I>in-situ</I> combination of quasi-elastic neutron scattering and impedance spectroscopy
Chen, Q., Banyte, J., Zhang, X., & Braun, A. (2013). Proton diffusivity in spark plasma Sintered BaCe0.8Y0.2O3 - δ : in-situ combination of quasi-elastic neutron scattering and impedance spectroscopy. Solid State Ionics, 252, 2-6. https://doi.org/10.1016/j.ssi.2013.05.009
Iron resonant photoemission spectroscopy on anodized hematite points to electron hole doping during anodization
Braun, A., Chen, Q., Flak, D., Fortunato, G., Gajda-Schrantz, K., Grätzel, M., … Zhu, J. (2012). Iron resonant photoemission spectroscopy on anodized hematite points to electron hole doping during anodization. ChemPhysChem, 13(12), 2937-2944. https://doi.org/10.1002/cphc.201200074
Observation of substrate orientation-dependent oxygen defect filling in thin WO<SUB>3−<I>δ</I></SUB>/TiO<SUB>2</SUB> pulsed laser-deposited films with in situ XPS at high oxygen pressure and temperature
Braun, A., Akgul, F. A., Chen, Q., Erat, S., Huang, T. W., Jabeen, N., … Zhang, X. (2012). Observation of substrate orientation-dependent oxygen defect filling in thin WO3−δ/TiO2 pulsed laser-deposited films with in situ XPS at high oxygen pressure and temperature. Chemistry of Materials, 24(17), 3473-3480. https://doi.org/10.1021/cm301829y
Effects of pressure on the proton-phonon coupling in metal oxides with perovskite structure
Chen, Q. (2012). Effects of pressure on the proton-phonon coupling in metal oxides with perovskite structure [Doctoral dissertation]. ETH Zürich.
High-temperature high pressure cell for neutron-scattering studies
Chen, Q., Holdsworth, S., Embs, J., Pomjakushin, V., Frick, B., & Braun, A. (2012). High-temperature high pressure cell for neutron-scattering studies. High Pressure Research, 32(4), 471-481. https://doi.org/10.1080/08957959.2012.725729
Barium cerate substituted with yttria as proton conducting electrolyte
Navickas, E., Braun, A., Knoknerytė, J., Chen, Q., Abakevičienė, B., Kubel, F., … Fleig, J. (2012). Barium cerate substituted with yttria as proton conducting electrolyte (pp. 107-110). Presented at the 4th international conference on radiation interaction with material and its use in technologies. .
Surface and bulk oxygen vacancy defect states near the Fermi level in 125 nm WO<SUB>3−<I>δ</I></SUB>/TiO<SUB>2</SUB> (110) films: a resonant valence band photoemission spectroscopy study
Braun, A., Erat, S., Zhang, X., Chen, Q., Huang, T. W., Aksoy, F., … Graule, T. (2011). Surface and bulk oxygen vacancy defect states near the Fermi level in 125 nm WO3−δ/TiO2 (110) films: a resonant valence band photoemission spectroscopy study. Journal of Physical Chemistry C, 115(33), 16411-16417. https://doi.org/10.1021/jp202375h
Effect of compressive strain on the Raman modes of the dry and hydrated BaCe<SUB>0.8</SUB>Y<SUB>0.2</SUB>O<SUB>3</SUB> proton conductor
Chen, Q., Huang, T. W., Baldini, M., Hushur, A., Pomjakushin, V., Clark, S., … Graule, T. (2011). Effect of compressive strain on the Raman modes of the dry and hydrated BaCe0.8Y0.2O3 proton conductor. Journal of Physical Chemistry C, 115(48), 24021-24027. https://doi.org/10.1021/jp208525j
Effect of lattice volume and compressive strain on the conductivity of BaCeY-oxide ceramic proton conductors
Chen, Q., Braun, A., Yoon, S., Bagdassarov, N., & Graule, T. (2011). Effect of lattice volume and compressive strain on the conductivity of BaCeY-oxide ceramic proton conductors. Journal of the European Ceramic Society, 31(14), 2657-2661. https://doi.org/10.1016/j.jeurceramsoc.2011.02.014
Hydrostatic pressure decreases the proton mobility in the hydrated BaZr<SUB>0.9</SUB>Y<SUB>0.1</SUB>O<SUB>3</SUB> proton conductor
Chen, Q., Braun, A., Ovalle, A., Savaniu, C. D., Graule, T., & Bagdassarov, N. (2010). Hydrostatic pressure decreases the proton mobility in the hydrated BaZr0.9Y0.1O3 proton conductor. Applied Physics Letters, 97(4), 041902 (3 pp.). https://doi.org/10.1063/1.3464162