| Issue |
Europhys. Lett.
Volume 44, Number 3, November I 1998
|
|
|---|---|---|
| Page(s) | 374 - 378 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1998-00481-1 | |
| Published online | 01 September 2002 | |
A neutron diffraction study of the low-temperature magnetic phase of 
1
Laboratoire Louis Néel, CNRS, BP 166 - 38042 Grenoble Cédex 9, France
2
Department of Physics, Faculty of Science, Yamaguchi University, Yamaguchi 753, Japan
Received:
24
June
1998
Accepted:
14
September
1998
The low-field, low-temperature magnetic phase of the tetragonal compound
is studied by neutron diffraction on a single crystal. The analysis
of all the harmonics of the fundamental long-period commensurate propagation
vector is consistent with the (
) magnetic structure in which one ninth
of the moments of the magnetic unit cell vanish. The origin of such a non-usual
structure is discussed.
PACS: 75.25.+z – Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source X-ray scattering, etc.) / 75.30.Kz – Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
© EDP Sciences, 1998
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