Home > Publications database > Electronic conductivity in gadolinium doped ceria under direct current as a trigger for flash sintering > print |
001 | 873679 | ||
005 | 20240708132814.0 | ||
024 | 7 | _ | |a 10.1016/j.scriptamat.2020.01.007 |2 doi |
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100 | 1 | _ | |a Mishra, Tarini Prasad |0 P:(DE-Juel1)166597 |b 0 |e Corresponding author |
245 | _ | _ | |a Electronic conductivity in gadolinium doped ceria under direct current as a trigger for flash sintering |
260 | _ | _ | |a Amsterdam [u.a.] |c 2020 |b Elsevier Science |
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520 | _ | _ | |a In this paper, we discuss the progression of flash sintering in 10mol% gadolinium-doped ceria specimens. Flash transition is correlated with the generation of n-type electronic conductivity in air under direct-current bias. Its origin is attributed to partial reduction of the material which propagates from the cathodic-to-anodic region. The phenomenon was observed, in-situ, by monitoring the development of electrochemical blackening during the incubation period of the flash-experiment. Anomalous features, including shift in the valence band edge, shrinkage of the band-gap and change in the oxidation state of Ce in flashed samples was confirmed by X-ray photoelectron spectroscopy and diffuse reflectance measurements. |
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536 | _ | _ | |a DFG project 274005202 - SPP 1959: Manipulation of matter controlled by electric and magnetic fields: Towards novel synthesis and processing routes of inorganic materials (274005202) |0 G:(GEPRIS)274005202 |c 274005202 |x 1 |
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700 | 1 | _ | |a Neto, Rubens Roberto Ingraci |0 0000-0003-3064-9460 |b 1 |
700 | 1 | _ | |a Speranza, Giorgio |0 P:(DE-HGF)0 |b 2 |
700 | 1 | _ | |a Quaranta, Alberto |0 P:(DE-HGF)0 |b 3 |
700 | 1 | _ | |a Sglavo, Vincenzo M. |0 P:(DE-HGF)0 |b 4 |
700 | 1 | _ | |a Raj, Rishi |0 0000-0001-8556-9797 |b 5 |
700 | 1 | _ | |a Guillon, Olivier |0 P:(DE-Juel1)161591 |b 6 |u fzj |
700 | 1 | _ | |a Bram, Martin |0 P:(DE-Juel1)129591 |b 7 |u fzj |
700 | 1 | _ | |a Biesuz, Mattia |0 0000-0002-4338-4177 |b 8 |e Corresponding author |
773 | _ | _ | |a 10.1016/j.scriptamat.2020.01.007 |g Vol. 179, p. 55 - 60 |0 PERI:(DE-600)2015843-9 |p 55 - 60 |t Scripta materialia |v 179 |y 2020 |x 1359-6462 |
856 | 4 | _ | |y Published on 2020-01-20. Available in OpenAccess from 2022-01-20. |u https://juser.fz-juelich.de/record/873679/files/Manuscript_Blackening_Pre%20print.pdf |
856 | 4 | _ | |y Published on 2020-01-20. Available in OpenAccess from 2022-01-20. |x pdfa |u https://juser.fz-juelich.de/record/873679/files/Manuscript_Blackening_Pre%20print.pdf?subformat=pdfa |
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