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| 001 | 189442 | ||
| 005 | 20240610121207.0 | ||
| 024 | 7 | _ | |a 10.1002/2013GC005047 |2 doi |
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| 041 | _ | _ | |a English |
| 082 | _ | _ | |a 550 |
| 100 | 1 | _ | |a Almeida, Trevor P. |0 P:(DE-HGF)0 |b 0 |e Corresponding Author |
| 245 | _ | _ | |a Magnetic characterization of synthetic titanomagnetites: Quantifying the recording fidelity of ideal synthetic analogs |
| 260 | _ | _ | |a Hoboken, NJ |c 2014 |b Wiley |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1429074995_26845 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 520 | _ | _ | |a A series of four synthetic basalts comprising titanomagnetite (Fe3-xTixO4) grains of varied size and titanium content have been produced by a glass-ceramic method. Complementary characterization techniques of X-ray diffractometry, secondary electron microscopy, and transmission electron microscopy (TEM) demonstrate the reaction product composition consisted of mainly Fe3-xTixO4, pyroxene hedenbergite, fayalite, and SiO2. The samples exhibit bimodal distributions of larger (<2 µm) and smaller Fe3-xTixO4 particles (<50 nm in diameter), the latter found inside pyroxene crystals, as well as the sporadic occurance of dendritic Fe3-xTixO4 structures. Magnetic measurements show their bulk characteristics fall into two groups: Ti-rich titanomagnetite samples with varying Ti content; and near-stoichiometric magnetite. The TEM technique of off-axis electron holography allowed for visualization of the magnetic behavior of the synthetic Fe3-xTixO4 grains. Energy dispersive X-ray analysis and off-axis electron holography confirmed the small Fe3-xTixO4 grains (<50 nm) confined within glassy pyroxene regions to be Fe-rich and single domain, carrying strong magnetic signals, compared to the relatively magnetically weak larger Fe3-xTixO4 grains (x ∼ 0.6). The large grains in the pure magnetite sample are shown to be pseudo-single domain in nature. The quenching process involved in synthesis is considered similar to that of pillow basalts found at mid-ocean ridges and hence the reaction products are thought ideal in terms of characterization and understanding, for the purpose of studying natural systems. |
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| 700 | 1 | _ | |a Muxworthy, Adrian R. |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Williams, Wyn |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Kasama, Takeshi |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Dunin-Borkowski, Rafal |0 P:(DE-Juel1)144121 |b 4 |u fzj |
| 773 | _ | _ | |a 10.1002/2013GC005047 |g Vol. 15, no. 1, p. 161 - 175 |0 PERI:(DE-600)2027201-7 |n 1 |p 161 - 175 |t Geochemistry, geophysics, geosystems |v 15 |y 2014 |x 1525-2027 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/189442/files/ggge20332.pdf |y Restricted |
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