Crystallographic and magnetic properties of UFe5.8Al6.2 single crystals
Reference:
Goncalves, A. P., Estrela, P., Waerenborgh, J. C., Paixao, J. A., Bonnet, M., Spirlet, J. C., Godinho, M. and Almeida, M., 1998. Crystallographic and magnetic properties of UFe5.8Al6.2 single crystals. Journal of Magnetism and Magnetic Materials, 189 (3), pp. 283-292.
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Abstract
Single crystals of UFe5.8Al6.2 were characterised by X-ray and neutron diffraction, Fe-57 Mossbauer spectroscopy and magnetisation. The structure refinement by X-ray and neutron diffraction shows a ThMn12-type structure, the Fe atoms fully occupying the 8f and partially occupying the 8j positions. Mossbauer spectra confirm these occupations and further indicate a magnetic ordering below 293 K. Magnetisation measurements show a ferromagnetic behaviour below 300 K, with a and b as easy directions and a spontaneous magnetisation of 10.4 mu(B)/f.u. at 5 K, due to the Fe occupation of 8j position. These single crystal results significantly differ from those previously obtained in UFe6Al6 polycrystalline samples obtained by melting and annealing.
Details
| Item Type | Articles |
| Creators | Goncalves, A. P., Estrela, P., Waerenborgh, J. C., Paixao, J. A., Bonnet, M., Spirlet, J. C., Godinho, M. and Almeida, M. |
| Departments | Faculty of Engineering & Design > Electronic & Electrical Engineering |
| Refereed | Yes |
| Status | Published |
| ID Code | 12141 |
| Additional Information | ID number: 000076637600003 |
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