Reference : YBa2Cu3O7−x dispersion in iodine acetone for electrophoretic deposition: Surface chargin...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
http://hdl.handle.net/2268/87713
YBa2Cu3O7−x dispersion in iodine acetone for electrophoretic deposition: Surface charging mechanism in a halogenated organic media
English
Dusoulier, Laurent [Université de Liège and Royal Military Academy (Brussels) > > > >]
Cloots, Rudi [Université de Liège - ULg > Département de chimie (sciences) > LCIS - GreenMAT >]
Vertruyen, Bénédicte mailto [Université de Liège - ULg > Département de chimie (sciences) > Chimie inorganique structurale >]
Moreno, Rodrigo [Institutio de Ceramica y Vidrio, CSIC, Madrid (Spain) > > > >]
Burgos-Montes, O. [Instituto de Ciencias de la Construccion Eduardo Torroja, CSIC, Madrid (Spain) > > > >]
Ferrari, Begona [Institutio de Ceramica y Vidrio, CSIC, Madrid (Spain) > > > >]
2011
Journal of the European Ceramic Society
Elsevier Science
31
1075-1086
Yes (verified by ORBi)
International
0955-2219
Oxford
United Kingdom
[en] suspensions ; shaping ; oxide superconductors
[en] Electrophoretic deposition (EPD) performance strongly depends on the particles surface chemistry and the ability to manipulate surface–liquid interfaces. In this study an extensive investigation of YBCO suspension in dry acetone, acetone–water mixtures and acetone–iodine is reported. Chemical instability of YBCO particles determines their colloidal behaviour. Charging mechanism of particles has therefore had to be deeply investigated for complete dispersion understanding. In order to determine the conditions of the YBCO suspension stability, measurements of pH, conductivity, zeta-potential, settling tests, modelling of the particle networks and electrophoretic deposition were done. The influence of the water
and iodine concentration, and their role as stabilizers was evaluated. Based on experimental results, pair particle potentials were calculated and then different charging mechanisms of YBCO surfaces in acetone were proposed.
Politique Scientifique Fédérale (Belgique) = Belgian Federal Science Policy ; Spanish Science and Education Ministry
Researchers ; Professionals
http://hdl.handle.net/2268/87713
10.1016/j.jeurceramsoc.2011.01.008
The following article appeared in Journal of the European Ceramic Society and may be found on the editor website http://www.sciencedirect.com/

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