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http://hdl.handle.net/10397/88735
Title: | Spin-lattice dynamics simulation of external field effect on magnetic order of ferromagnetic iron | Authors: | Chui, CP Zhou, Y |
Issue Date: | Mar-2014 | Source: | AIP advances, Mar. 2014, v. 4, no. 3, 37110, p. 037110-1-037110-13 | Abstract: | Modeling of field-induced magnetization in ferromagnetic materials has been an active topic in the last dozen years, yet a dynamic treatment of distance-dependent exchange integral has been lacking. In view of that, we employ spin-lattice dynamics (SLD) simulations to study the external field effect on magnetic order of ferromagnetic iron. Our results show that an external field can increase the inflection point of the temperature. Also the model provides a better description of the effect of spin correlation in response to an external field than the mean-field theory. An external field has a more prominent effect on the long range magnetic order than on the short range counterpart. Furthermore, an external field allows the magnon dispersion curves and the uniform precession modes to exhibit magnetic order variation from their temperature dependence.(C) 2014 Author(s). | Publisher: | American Institute of Physics | Journal: | AIP advances | EISSN: | 2158-3226 | DOI: | 10.1063/1.4869023 | Rights: | © 2014 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License (https://creativecommons.org/licenses/by/3.0/). The following publication Chui, C. P., & Zhou, Y. (2014). Spin-lattice dynamics simulation of external field effect on magnetic order of ferromagnetic iron. AIP Advances, 4(3), 37110, 037110-1-037110-13 is available at https://dx.doi.org/10.1063/1.4869023 |
Appears in Collections: | Journal/Magazine Article |
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Chui_Spin-Lattice_External_Field.pdf | 1.21 MB | Adobe PDF | View/Open |
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