AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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STUDIA PHYSICA - Issue no. 1 / 2003 | |||||||
Article: |
SPIN GLASS IN GD RICH U1-XGDXAL4 SYSTEM. Authors: ILEANA LUPSA. |
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Abstract: The magnetic and structural study of U1-xGdxAl4 (x=0. 8 and 0. 6) system was performed. The magnetic properties investigated in the 4-600 K temperature range and fields up to 90 kOe showed the magnetic order presence. The magnetic behaviour evidenced a transition from the ferromagnetic one (x=0) to the spin glass (x0. 8). The change in the magnetic properties is correlated to the substitutional disorder which manifests in the Gd clusters having easy axis randomly aligned superposed on the spin fluctuations due to uranium atoms. | |||||||