Organic crystals – More than simple additives toward better electroceramic materials
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Roles of various organic crystals (OC), notably those containing nitrogen, on the preparation and properties
of source materials for electroceramics are featured from the author’s own experimental studies. When OC are
intimately mixed with metal salts like carbonates, their decomposition is accelerated, liberating the diffusing
species at temperatures lower than usual. Mixing of OC with metal oxides under mechanical stressing results
in anion exchange and eases diffusion of guest species. Case studies on 3 categories, i.e. i) substitution of oxygen
in titania with nitrogen and introduction of oxygen vacancies during co-grinding titania with urea, glycine
and/or polytetra fluoroethylene; ii) increase in the rate of reaction of barium titanate formation via a solid
state route by OCs with detailed process analysis with glycine as an example of OC, and iii) phase pure solid
state synthesis of Li4Ti5O12 by mechanically activating the intermediate, Li2TiO3 with 3 amino acids as OCs.
Кључне речи:
organic solids / mechanical stressing / ligand exchange / anion substitution / oxygen vacancyИзвор:
Processing and Application of Ceramics, 2010, 4, 3, 183-191Издавач:
- Faculty of Technology, University of Novi Sad
Институција/група
Institut za multidisciplinarna istraživanjaTY - JOUR AU - Senna, Mamoru AU - Ando, Chie AU - Vijatović Petrović, Mirjana AU - Bobić, Jelena AU - Stojanović, Biljana D PY - 2010 UR - http://rimsi.imsi.bg.ac.rs/handle/123456789/2194 AB - Roles of various organic crystals (OC), notably those containing nitrogen, on the preparation and properties of source materials for electroceramics are featured from the author’s own experimental studies. When OC are intimately mixed with metal salts like carbonates, their decomposition is accelerated, liberating the diffusing species at temperatures lower than usual. Mixing of OC with metal oxides under mechanical stressing results in anion exchange and eases diffusion of guest species. Case studies on 3 categories, i.e. i) substitution of oxygen in titania with nitrogen and introduction of oxygen vacancies during co-grinding titania with urea, glycine and/or polytetra fluoroethylene; ii) increase in the rate of reaction of barium titanate formation via a solid state route by OCs with detailed process analysis with glycine as an example of OC, and iii) phase pure solid state synthesis of Li4Ti5O12 by mechanically activating the intermediate, Li2TiO3 with 3 amino acids as OCs. PB - Faculty of Technology, University of Novi Sad T2 - Processing and Application of Ceramics T1 - Organic crystals – More than simple additives toward better electroceramic materials EP - 191 IS - 3 SP - 183 VL - 4 DO - 10.2298/PAC1003183S ER -
@article{ author = "Senna, Mamoru and Ando, Chie and Vijatović Petrović, Mirjana and Bobić, Jelena and Stojanović, Biljana D", year = "2010", abstract = "Roles of various organic crystals (OC), notably those containing nitrogen, on the preparation and properties of source materials for electroceramics are featured from the author’s own experimental studies. When OC are intimately mixed with metal salts like carbonates, their decomposition is accelerated, liberating the diffusing species at temperatures lower than usual. Mixing of OC with metal oxides under mechanical stressing results in anion exchange and eases diffusion of guest species. Case studies on 3 categories, i.e. i) substitution of oxygen in titania with nitrogen and introduction of oxygen vacancies during co-grinding titania with urea, glycine and/or polytetra fluoroethylene; ii) increase in the rate of reaction of barium titanate formation via a solid state route by OCs with detailed process analysis with glycine as an example of OC, and iii) phase pure solid state synthesis of Li4Ti5O12 by mechanically activating the intermediate, Li2TiO3 with 3 amino acids as OCs.", publisher = "Faculty of Technology, University of Novi Sad", journal = "Processing and Application of Ceramics", title = "Organic crystals – More than simple additives toward better electroceramic materials", pages = "191-183", number = "3", volume = "4", doi = "10.2298/PAC1003183S" }
Senna, M., Ando, C., Vijatović Petrović, M., Bobić, J.,& Stojanović, B. D.. (2010). Organic crystals – More than simple additives toward better electroceramic materials. in Processing and Application of Ceramics Faculty of Technology, University of Novi Sad., 4(3), 183-191. https://doi.org/10.2298/PAC1003183S
Senna M, Ando C, Vijatović Petrović M, Bobić J, Stojanović BD. Organic crystals – More than simple additives toward better electroceramic materials. in Processing and Application of Ceramics. 2010;4(3):183-191. doi:10.2298/PAC1003183S .
Senna, Mamoru, Ando, Chie, Vijatović Petrović, Mirjana, Bobić, Jelena, Stojanović, Biljana D, "Organic crystals – More than simple additives toward better electroceramic materials" in Processing and Application of Ceramics, 4, no. 3 (2010):183-191, https://doi.org/10.2298/PAC1003183S . .