%0 Journal Article %1 WOS:000176154000004 %A Chianca, CV %A Costa, RN %C PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS %D 2002 %I ELSEVIER SCIENCE BV %J JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS %K band; bulk exchange films; interactions; modes} spin surface waves; {rare-earth %N 1-2 %P 16-21 %R 10.1016/S0304-8853(01)01374-9 %T Spin waves theory in rare-earth films %V 246 %X A microscopic theory is presented for surface and bulk spin waves in films of rare-earth magnetic materials. The spin-wave spectrum has been calculated in the framework of the Heisenberg model including axial and hexagonal anisotropy. The spin-wave dispersion relations are obtained for several film thicknesses and different values of the ratio J(2)/J(1). The dependence of the bulk band edges on the anisotropy and exchange parameters are also discussed. Numerical results are applied to Dysprosium below the temperature transition from the ferromagnetic phase to spiral spin arrangement. (C) 2002 Elsevier Science B.V. All rights reserved.

@article{WOS:000176154000004, abstract = {A microscopic theory is presented for surface and bulk spin waves in films of rare-earth magnetic materials. The spin-wave spectrum has been calculated in the framework of the Heisenberg model including axial and hexagonal anisotropy. The spin-wave dispersion relations are obtained for several film thicknesses and different values of the ratio J(2)/J(1). The dependence of the bulk band edges on the anisotropy and exchange parameters are also discussed. Numerical results are applied to Dysprosium below the temperature transition from the ferromagnetic phase to spiral spin arrangement. (C) 2002 Elsevier Science B.V. All rights reserved.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}, author = {Chianca, CV and Costa, RN}, biburl = {https://www.bibsonomy.org/bibtex/202d77757d9a553f415ddfc8a5198e329/ppgfis_ufc_br}, doi = {10.1016/S0304-8853(01)01374-9}, interhash = {177943a66c64c79895cb7d904f4bc03c}, intrahash = {02d77757d9a553f415ddfc8a5198e329}, issn = {0304-8853}, journal = {JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS}, keywords = {band; bulk exchange films; interactions; modes} spin surface waves; {rare-earth}, number = {1-2}, pages = {16-21}, publisher = {ELSEVIER SCIENCE BV}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Spin waves theory in rare-earth films}, tppubtype = {article}, volume = 246, year = 2002 }