Proton transfer in La2-xCaxZr2O7-δ pyrochlores: Reasons for limited water uptake and high grain boundary conductivity
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OpenAlex topics: Nuclear materials and radiation effects · Advancements in Solid Oxide Fuel Cells · Advanced Condensed Matter Physics
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References (65)
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1. Potential of pyrochlore structure materials in solid oxide fuel cell applications10.1016/j.ceramint.2020.10.012 ↗
2. Preparation of La1.9Ca0.1Zr2O6.95 with pyrochlore structure and ist application in synthesis of ammonia at atmospheric pressure10.1016/j.ssi.2004.01.025 ↗
3. Protonic conduction in Ca2+-doped La2M2O7 (M = Ce, Zr) with its application to ammonia synthesis electrochemically10.1016/j.materresbull.2005.04.008 ↗
4. Alkaline-earth metals-doped pyrochlore Gd2Zr2O7 as oxygen conductors for improved NO2 sensing performance10.1038/s41598-017-04920-1 ↗
5. Ce incorporated pyrochlore Pr2Zr2O7 solid electrolytes for enhanced mild-temperature NO2 sensing10.1016/j.ceramint.2017.06.019 ↗
6. Lanthanum zirconate based thermal barrier coatings: a review10.1016/j.surfcoat.2016.10.019 ↗
7. Study on thermal, mechanical, microstructural properties and failure analyses of lanthanum zirconate based thermal barrier coatings: a review10.1016/j.matpr.2021.02.672 ↗
8. Radiation stability of gadolinium zirconate: a waste form for plutonium disposition10.1557/JMR.1999.0606 ↗
9. Radiation tolerance of complex oxides10.1126/science.289.5480.748 ↗
10. Optical and X-ray induced luminescence from Eu3+ doped La2Zr2O7 nanoparticles10.1016/j.jallcom.2016.09.218 ↗
11. Connection between oxygen-ion conductivity of pyrochlore fuel-cell materials and structural change with composition and temperature10.1016/S0167-2738(99)00320-3 ↗
12. Oxygen migration in A2B2O7 pyrochlores10.1016/S0167-2738(00)00836-5 ↗
13. Protonic defects in pure and doped La2Zr2O7 pyrochlore oxide10.1016/j.ssi.2007.10.014 ↗
14. Substitutional doping and oxygen vacancies in La2Zr2O7 pyrochlore oxide10.1016/j.ssi.2011.01.013 ↗
15. Polymorphism and high-temperature conductivity of Ln2M2O7 (Ln = Sm-Lu; M = Ti, Zr, Hf) pyrochlores10.1016/j.ssi.2010.07.013 ↗
16. Relationship between oxide-ion conductivity and ordering of oxygen vacancy in the Ln2Zr2O7 (Ln = La, Nd, Eu) system having a pyrochlore composition10.1088/1757-899X/18/13/132003 ↗
17. Hydration thermodynamics of pyrochlore structured oxides from TG and first principles calculations10.1039/c2dt31517c ↗
18. Does local disorder occur in the pyrochlore zirconates?10.1021/ic301677b ↗
19. Morphotropy, isomorphism, and polymorphism of Ln2M2O7-based (Ln = La–Lu, Y, Sc; M = Ti, Zr, Hf, Sn) oxides10.1134/S1063774513020259 ↗
20. Oxygen interstitial and vacancy conduction in symmetric Ln2±xZr2±xO7±x/2 (Ln = Nd, Sm) solid solutions10.1134/S002016851410015X ↗
21. Synthesis and conductivity measurement of lanthanum zirconate doped with rare earth dopants10.1149/2.0211410jes ↗
22. Relationship between crystal structure and oxide-ion conduction in Nd2Zr2O7 and La2Zr2O7 deduced by high-temperature neutron diffraction10.1016/j.ssi.2014.01.027 ↗
23. First-Principles Analysis of proton conduction mechanism in pyrochlore-structured lanthanum zirconate10.1021/acs.jpcc.5b00573 ↗
24. Defect formation energies in A2B2O7 pyrochlores10.1016/j.scriptamat.2015.05.010 ↗
25. Energetics of defects formation and oxygen migration in pyrochlore compounds from first principles calculations10.1016/j.jnucmat.2017.11.005 ↗
26. Evolution of oxygen–ion and proton conductivity in Ca-doped Ln2Zr2O7 (Ln = Sm, Gd), located near pyrochlore–fluorite phase boundary10.3390/ma12152452 ↗
27. Comparative neutron and X-ray diffraction analysis of anionic and cationic ordering in rare-earth zirconates (Ln = La, Nd, Tb, Yb, Y)10.1016/j.jallcom.2020.154863 ↗
28. Electrical properties of proton-conducting Ca2+-doped La2Zr2O7 with a pyrochlore-type structure10.1149/1.1369370 ↗
29. Proton solubility for La2Zr2O7 with a pyrochlore structure doped with a series of alkaline-earth ions10.1016/j.ssi.2004.01.015 ↗
30. Phase equilibria, water dissolution, and peculiarities of charge transfer in Ca-doped La2Zr2O7–α10.1134/S1023193517060027 ↗
31. Oxygen isotope exchange, water uptake and electrical conductivity of Ca-doped lanthanum zirconate10.1016/j.ssi.2017.03.023 ↗
32. Water and hydrogen evolution properties and protonic conducting behaviors of Ca2+-doped La2Zr2O7 with a pyrochlore structure10.1016/S0167-2738(97)00433-5 ↗
33. Proton conductivity in Ln1.96Ca0.04Sn2O7-δ (Ln=La, Sm, Yb) pyrochlores as a function of the lanthanide size10.1016/j.ssi.2010.07.001 ↗
34. Carrier−carrier interaction in proton-conducting perovskites: carrier blocking vs trap-site filling10.1021/acs.jpcc.9b08199 ↗
35. Impact of bound ionic defects on the hydration of acceptor-doped proton-conducting perovskites10.1039/C8CP07745B ↗
36. The effect of ionic defect interactions on the hydration of yttrium-doped barium zirconate10.1039/D0CP06587K ↗
37. The pivotal role of the dopant choice on the thermodynamics of hydration and associations in proton conducting BaCe0.9X0.1O3- δ (X = Sc, Ga, Y, In, Gd and Er)
38. Structured diffuse scattering as an indicator of inherent cristobalite-like displacive flexibility in the rare earth zirconate pyrochlore LaδZr1-δO2-δ/2, 0.49 < δ < 0.5110.1006/jssc.1998.8054 ↗
39. Oxygen ion and mixed conductivity in compounds with the fluorite and pyrochlore structure10.1016/0167-2738(83)90110-8 ↗
40. Structure, hydration, and proton conductivity in 50% La and Nd doped CeO2 – La2Ce2O7 and Nd2Ce2O7 – and their solid solutions10.1016/j.ssi.2020.115401 ↗
41. Oxygen isotope exchange in doped lanthanum zirconates10.1016/j.jssc.2018.08.022 ↗
42. Influence of the discretization methods on the distribution of relaxation times deconvolution: implementing radial basis functions with DRTtools10.1016/j.electacta.2015.09.097 ↗
43. Structure, thermal and electrical properties of calcium doped pyrochlore type praseodymium zirconate10.1016/j.ijhydene.2015.01.148 ↗
44. Determination of the maximum Ca content in La2-xCaxZr2O7-δ by XRD intensity ratio10.1016/j.ceramint.2013.08.046 ↗
45. Revised effective ionic radii and systematic studies of interatomic distances in halides and chalcogenides10.1107/S0567739476001551 ↗
46. Systematics of the pyrochlore structure type, ideal A2B2X6Y10.1016/0022-4596(84)90234-2 ↗
47. Pyrochlore structural chemistry: predicting the lattice constant by the ionic radii and electronegativities of the constituting ions10.1111/j.1551-2916.2012.05115.x ↗
48. Tolerance factor for pyrochlores and related structures
49. Lanthanum pyrochlores and the effect of yttrium addition in the systems La2-xYxZr2O7 and La2-xYxHf2O710.1016/j.jssc.2008.11.008 ↗
50. Crystal structure analysis of Ln2Zr2O7 (Ln = Eu and La) with a pyrochlore composition by high-temperature powder X-ray diffraction10.2109/jcersj2.16248 ↗
51. Structural properties and the fluoriteepyrochlore phase transition in La2Zr2O7: the role of oxygen to induce local disordered states10.1016/j.jallcom.2016.05.347 ↗
52. Understanding chemical expansion in non-stoichiometric oxides: ceria and zirconia case studies10.1002/adfm.201102648 ↗
53. Size of oxide vacancies in fluorite and perovskite structured oxides10.1007/s10832-014-9916-2 ↗
54. Understanding chemical expansion in perovskite-structured oxides10.1039/C4CP05885B ↗
55. Chemical expansion due to hydration of proton-conducting perovskite oxide ceramics10.1111/jace.12990 ↗
56. Study of bulk and grain-boundary conductivity of Ln2+xHf2−xO7−δ (Ln = Sm-Gd; x = 0, 0.096) pyrochlores10.1007/s10832-009-9572-0 ↗
57. Infrared absorbtion spectra of high temperature proton conducting Ca2+-doped La2Zr2O710.1149/1.1418378 ↗
58. Transport properties of Ba(Zr0.8Y0.2)O3−δ perovskite10.1016/j.ssi.2007.02.010 ↗
59. Partial conductivities in perovskites CaZr1–xScxO3–α (x = 0.03–0.20) in an oxidation atmosphere10.1134/S1063783416010145 ↗
60. Proton conducting alkaline earth zirconates and titanates for high drain electrochemical applications10.1016/S0167-2738(01)00953-5 ↗
61. Electroceramics: characterization by impedance spectroscopy10.1002/adma.19900020304 ↗
62. Influence of impurities on the bulk and grain-boundary conductivity of CaZrO3-based proton-conducting electrolyte: a distribution of relaxation time study10.1016/j.electacta.2020.136327 ↗
63. The use of Tikhonov regularization method for calculating the distribution function of relaxation times in impedance spectroscopy10.1134/S1023193517060040 ↗
64. Finding the optimal regularization parameter in distribution of relaxation times analysis10.1002/celc.201901863 ↗
65. Disorder-induced transition from grain boundary to bulk dominated ionic diffusion in pyrochlores10.1039/C7NR01373F ↗