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Brillouin scattering and ultrasonic propagation in the nearly cubic antiferromagnet KNiF3
| Content Provider | Scilit |
|---|---|
| Author | Ganot, Francois Dugautier, C. Moch, P. Nouet, J. |
| Copyright Year | 1982 |
| Description | Journal: Journal of Physics C: Solid State Physics Spin waves, elastic waves and their magnetostrictive coupling in $KNiF_{3}$ are studied as functions of temperature and of applied magnetic field by Brillouin scattering and ultrasonic measurements. The light scattering data provide the magnetic and elastic coefficients; in addition, they enable magnetostrictive coefficients to be evaluated, in the framework of the usual magnetoelastic description and, more fruitfully, of a Landau model describing the antiferromagnetic-paramagnetic phase transition. Various features concerning the size of the magnetic domains and their repartition in the crystals are derived from the authors' experiments. The existing differences between ultrasonic and Brillouin scattering results in the magnetically ordered phase are discussed. |
| Related Links | http://iopscience.iop.org/article/10.1088/0022-3719/15/4/026/pdf |
| Ending Page | 823 |
| Page Count | 23 |
| Starting Page | 801 |
| ISSN | 00223719 |
| DOI | 10.1088/0022-3719/15/4/026 |
| Journal | Journal of Physics C: Solid State Physics |
| Issue Number | 4 |
| Volume Number | 15 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 1982-02-10 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics C: Solid State Physics Applied Physics Spin Wave Magnetic Domains Brillouin Scattering Phase Transition Light Scattering Magnetic Field |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy Condensed Matter Physics Engineering |
