On the sol-gel fabrication and characterization of undoped and cerium-doped Sr sub(4)Al sub(14)O sub(25 )
An aqueous sol-gel synthesis route has been used for the preparation of undoped and cerium-doped strontium aluminate phase Sr sub(4)Al sub(14)O sub(25 ). This study revealed required conditions for obtaining single phase compound, which are 1300 [degrees]C annealing temperature and addition of 2.5%...
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| Veröffentlicht in: | Journal of alloys and compounds 2014-11, Vol.614, p.44-48 |
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| container_title | Journal of alloys and compounds |
| container_volume | 614 |
| creator | Misevicius, Martynas Kilmanas, Martynas Culunlu, Serdar Sakirzanovas, Simas Morkan, Ayse Uztetik Beganskiene, Aldona Kareiva, Aivaras |
| description | An aqueous sol-gel synthesis route has been used for the preparation of undoped and cerium-doped strontium aluminate phase Sr sub(4)Al sub(14)O sub(25 ). This study revealed required conditions for obtaining single phase compound, which are 1300 [degrees]C annealing temperature and addition of 2.5% of boric acid as a fluxing agent. The fact that boric acid is involved in the process of formation of strontium aluminate was confirmed by thermogravimetric measurements. A series of cerium-doped samples has been prepared and their excitation and emission spectra has been measured, which showed peaks at 330 nm and 385 nm, respectively. |
| doi_str_mv | 10.1016/j.jallcom.2014.06.037 |
| format | Article |
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| identifier | ISSN: 0925-8388 |
| ispartof | Journal of alloys and compounds, 2014-11, Vol.614, p.44-48 |
| issn | 0925-8388 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Alloys Aluminates Annealing Boric acids Reagents Sol gel process Strontium Synthesis |
| title | On the sol-gel fabrication and characterization of undoped and cerium-doped Sr sub(4)Al sub(14)O sub(25 ) |
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