Comparison of the structural and magnetic properties of the two ternary silicides Nd6Ni1.67Si3 and Nd6Co1.67Si3
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | GAUDIN, Etienne | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | TENCÉ, Sophie | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | CHEVALIER, Bernard | |
| dc.date.issued | 2008 | |
| dc.identifier.issn | 1293-2558 | |
| dc.description.abstractEn | Single phases of Nd6Ni1.67Si3 and Nd6Co1.67Si3 were prepared by arc melting of a stoichiometric mixture of the elements followed by annealing at 1073 K. The structure of Nd6Co1.67Si3 was determined from single-crystal X-ray data with the space group P63/m and the lattice parameters a = 11.950(4) Å and c = 4.232(2) Å. Its structure derives from the structure of the aristotype compound Ce6Ni1.67Si3. A strong disorder of cobalt atoms in the chains of face-shared octahedra of neodymium is observed. Magnetization measurements reveal the existence of two ferro(ferri)magnetic transitions at 84(1) K and 38(1) K for Nd6Ni1.67Si3. For Nd6Co1.67Si3 it has been previously shown that also two ferro(ferri)magnetic transitions occur at 84 K and 35 K. The comparison between the magnetic properties of Nd6Ni1.67Si3 and Nd6Co1.67Si3 shows a significant difference of the behaviour of the magnetization M versus temperature and field μ0H below 84 K. The curves M = f(T) obtained by field-cooled (FC) process and under μ0H = 0.1 T show an increase of M below 35 K for Nd6Co1.67Si3 and on the contrary, a decrease of M below 38 K for Nd6Ni1.67Si3. This difference suggests the occurrence at low temperature of different magnetic structures for these two ternary silicides. | |
| dc.language.iso | en | |
| dc.publisher | Elsevier | |
| dc.subject.en | Nd6Co1.67Si3 | |
| dc.subject.en | Nd6Ni1.67Si3 | |
| dc.subject.en | Intermetallic compounds | |
| dc.subject.en | Magnetic properties | |
| dc.subject.en | Rare-earth compounds | |
| dc.subject.en | Crystal structure | |
| dc.subject.en | Disordered structure | |
| dc.title.en | Comparison of the structural and magnetic properties of the two ternary silicides Nd6Ni1.67Si3 and Nd6Co1.67Si3 | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1016/j.solidstatesciences.2008.01.014 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Solid State Sciences | |
| bordeaux.page | 481-485 | |
| bordeaux.volume | 10 | |
| bordeaux.issue | 4 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00278670 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00278670v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Solid%20State%20Sciences&rft.date=2008&rft.volume=10&rft.issue=4&rft.spage=481-485&rft.epage=481-485&rft.eissn=1293-2558&rft.issn=1293-2558&rft.au=GAUDIN,%20Etienne&TENC%C3%89,%20Sophie&CHEVALIER,%20Bernard&rft.genre=article |
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