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| Home > Publications database > Single Crystals of C12A7 $\mathrm{(Ca_{12}Al_{14}O_{33})}$ Substituted with 1 mol % Iron > print |
| Home > Publications database > Single Crystals of C12A7 $\mathrm{(Ca_{12}Al_{14}O_{33})}$ Substituted with 1 mol % Iron > print |
| 001 | 168894 | ||
| 005 | 20250730143951.0 | ||
| 024 | 7 | _ | |a 10.1021/cg401823k |2 doi |
| 024 | 7 | _ | |a 1528-7505 |2 ISSN |
| 024 | 7 | _ | |a 1528-7483 |2 ISSN |
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| 037 | _ | _ | |a DESY-2014-02712 |
| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 540 |
| 100 | 1 | _ | |a Ebbinghaus, Stefan G. |0 P:(DE-HGF)0 |b 0 |e Corresponding Author |
| 245 | _ | _ | |a Single Crystals of C12A7 $\mathrm{(Ca_{12}Al_{14}O_{33})}$ Substituted with 1 mol % Iron |
| 260 | _ | _ | |a Washington, DC |c 2014 |b ACS Publ. |
| 336 | 7 | _ | |a article |2 DRIVER |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1519635934_15470 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Single crystals of Ca12Al14O33 (C12A7, mayenite) substituted with 1 mol % Fe were grown by the floating zone technique in an atmosphere of 2% O2/98% N2. The iron substitution leads to an increase of the unit cell parameter by roughly 0.002 Å. Optical spectroscopy reveals an additional broad absorption band at 310 nm for the iron-substituted sample reflecting the yellow color of the crystals. XANES measurements at the Fe–K absorption edge prove the incorporation of Fe3+ on the aluminum sites. Measurements of the magnetic susceptibility resulted in a value of 5.8 μB per iron ion as expected for high-spin Fe3+. C12A7 is known to be a very good oxygen ion conductor at high temperatures. In pure oxygen, the iron substitution leads to a slightly reduced conductivity between approximately 500 and 800 °C, while at higher temperatures, the conductivity is very similar to the pristine material. Under reducing conditions, the slope of log(σ) vs log(p(O2)) of the iron-substituted sample was found to be steeper than that for pure C12A7. |
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| 700 | 1 | _ | |a Krause, Holger |0 P:(DE-H253)PIP1011819 |b 1 |
| 700 | 1 | _ | |a Lee, Doh-Kwon |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Janek, Jürgen |0 P:(DE-HGF)0 |b 3 |
| 773 | _ | _ | |a 10.1021/cg401823k |g Vol. 14, no. 5, p. 2240 - 2245 |0 PERI:(DE-600)2048329-6 |n 5 |p 2240 - 2245 |t Crystal growth & design |v 14 |y 2014 |x 1528-7505 |
| 856 | 4 | _ | |u https://bib-pubdb1.desy.de/record/168894/files/DESY-2014-02712.pdf |y OpenAccess |
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| 913 | 1 | _ | |b Struktur der Materie |1 G:(DE-HGF)POF2-540 |0 G:(DE-HGF)POF2-54G13 |2 G:(DE-HGF)POF2-500 |v DORIS III |9 G:(DE-H253)POF2-A1-20130405 |x 0 |a DE-H253 |4 G:(DE-HGF)POF |3 G:(DE-HGF)POF2 |l Forschung mit Photonen, Neutronen, Ionen |
| 914 | 1 | _ | |y 2014 |
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