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| 001 | 186711 | ||
| 005 | 20210129214938.0 | ||
| 024 | 7 | _ | |a 10.1038/srep05760 |2 doi |
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| 037 | _ | _ | |a FZJ-2015-00783 |
| 082 | _ | _ | |a 000 |
| 100 | 1 | _ | |0 P:(DE-HGF)0 |a Schmitz, D. |b 0 |e Corresponding Author |
| 245 | _ | _ | |a The dipole moment of the spin density as a local indicator for phase transitions |
| 260 | _ | _ | |a London |b Nature Publishing Group |c 2014 |
| 336 | 7 | _ | |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |a Journal Article |b journal |m journal |s 1424852031_18037 |
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| 520 | _ | _ | |a The intra-atomic magnetic dipole moment - frequently called ÆTzæ term - plays an important role in thedetermination of spin magnetic moments by x-ray absorption spectroscopy for systems with nonsphericalspin density distributions. In this work, we present the dipole moment as a sensitive monitor to changes inthe electronic structure in the vicinity of a phase transiton. In particular, we studied the dipole moment atthe Fe21 and Fe31 sites of magnetite as an indicator for the Verwey transition by a combination of x-raymagnetic circular dichroism and density functional theory. Our experimental results prove that there existsa local change in the electronic structure at temperatures above the Verwey transition correlated to theknown spin reorientation. Furthermore, it is shown that measurement of the dipole moment is a powerfultool to observe this transition in small magnetite nanoparticles for which it is usually screened by blockingeffects in classical magnetometry. |
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| 700 | 1 | _ | |0 P:(DE-Juel1)162347 |a Schmitz-Antoniak, C. |b 1 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Warland, A. |b 2 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Darbandi, M. |b 3 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Haldar, S. |b 4 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Bhandary, S. |b 5 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Eriksson, O. |b 6 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Sanyal, B. |b 7 |
| 700 | 1 | _ | |0 P:(DE-HGF)0 |a Wende, H. |b 8 |
| 773 | _ | _ | |0 PERI:(DE-600)2615211-3 |a 10.1038/srep05760 |g Vol. 4 |p 5760 |t Scientific reports |v 4 |x 2045-2322 |y 2014 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/186711/files/FZJ-2015-00783.pdf |y OpenAccess |
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