| Autor: |
Herak, Mirta, Berger, Helmuth, Prester, Mladen, Miljak, Marko, Živković, Ivica, Milat, Ognjen, Drobac, Đuro, Popović, Stanko, Zaharko, Oksana |
| Jazyk: |
angličtina |
| Rok vydání: |
2005 |
| Předmět: |
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| Popis: |
We report on magnetic properties of an insulating cubic compound Cu3TeO6 studied by ac and dc susceptibility, torque magnetometry and neutron powder diffraction. A novel three dimensional magnetic lattice composed of almost planar regular hexagons of Cu2+ S=1/2 spins is present in Cu3TeO6. The magnetic susceptibility in the paramagnetic state obeys Curie-Weiss law in the 200-330 K regime with CW = − 148 K and at TN = 61 K system undergoes an antiferromagnetic phase transition. Above TN susceptibility is isotropic. Below TN a large anisotropy develops in fields H ≥ 500 Oe. Torque measurements reveal the presence of antiferromagnetic domains below TN. In a rather low magnetic field ( space diagonals of the cubic unit cell, but it is not possible to resolve whether the structure is collinear or canted. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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