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| 001 | 8899 | ||
| 005 | 20240619091643.0 | ||
| 024 | 7 | _ | |2 DOI |a 10.1209/0295-5075/89/37006 |
| 024 | 7 | _ | |2 WOS |a WOS:000274848600020 |
| 024 | 7 | _ | |2 ISSN |a 0295-5075 |
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| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 530 |
| 084 | _ | _ | |2 WoS |a Physics, Multidisciplinary |
| 100 | 1 | _ | |0 P:(DE-HGF)0 |a Tegel, M. |b 0 |
| 245 | _ | _ | |a Non-stoichometry and the magnetic structure of Sr2CrO3FeAs |
| 260 | _ | _ | |a Les Ulis |b EDP Sciences |c 2010 |
| 300 | _ | _ | |a 37006 |
| 336 | 7 | _ | |a Journal Article |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a article |2 DRIVER |
| 440 | _ | 0 | |0 18761 |a EPL : a Letters Journal Exploring the Frontiers of Physics |v 89 |x 0302-072X |
| 500 | _ | _ | |a This work was financially supported by the German Research Foundation (DFG). MT would like to thank Dr K. ROMER for financial support. |
| 520 | _ | _ | |a The iron arsenide Sr2CrO3FeAs with the tetragonal Sr2GaO3CuS-type structure was synthesized and its crystal structure re-determined by neutron powder diffraction. In contrast to previous X-ray crystallographic studies, a mixed occupancy of chromium and iron was found within the FeAs4/4 layer (93 +/- 1%Fe : 7 +/- 1%Cr). We suggest that the partial Cr-doping at the Fe site is the reason for the absence of a spin-density-wave anomaly and superconductivity in this compound. Additional experiments via neutron polarization analysis revealed short-range spin correlations below similar to 100 K and long-range antiferromagnetic ordering below T-N = 36 K with a magnetic propagation vector of q = (1/2, 1/2, 0). The Cr3+ -ions form a collinear magnetic structure of the C-type in the magnetic space group C(P)mma' (a' = a-b, b' = a+b, c' = c), where Cr3+-ions occupy the 4g (0, 1/4, z) Wyckoff position. The magnetic moments are aligned along the orthorhombic a'-axis. At 3.5 K, an ordered magnetic moment of 2.75 +/- 0.05 mu B for the Cr3+ -sublattice was refined. |
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| 773 | _ | _ | |0 PERI:(DE-600)1465366-7 |a 10.1209/0295-5075/89/37006 |g Vol. 89, p. 37006 |p 37006 |q 89<37006 |t epl |v 89 |x 0302-072X |y 2010 |
| 856 | 7 | _ | |u http://dx.doi.org/10.1209/0295-5075/89/37006 |
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