Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4239
Title: Spin configuration and magnetostrictive properties of Laves compounds TbₓDy₀.₇₋ ₓPr₀.₃(Fe₀.₉B₀.₁)₁.₉₃ (0.10≤x ≤ 0.28)
Authors: Liu, J. J.
Ren, W. J.
Zhang, Z. D.
Li, D.
Li, J.
Zhao, X. G.
Liu, Wei
Or, Derek Siu-wing
Subjects: Terbium alloys
Dysprosium alloys
Praseodymium alloys
Iron alloys
Boron alloys
Magnetostriction
Curie temperature
Spin dynamics
Magnetic anisotropy
Issue Date: 15-Jul-2006
Publisher: American Institute of Physics
Source: Journal of applied physics, 15 July 2006, v. 100, no. 2, 023904, p. 1-4.
Abstract: The spin configuration and magnetostrictive properties of TbₓDy₀.₇₋ ₓPr₀.₃(Fe₀.₉B₀.₁)₁.₉₃ (0.10≤x ≤ 0.28) Laves compounds are investigated. The spin phase diagram for the compounds is constructed to illustrate both the composition dependence of the Curie point T[sub c] and spin reorientation temperature T[sub SR] and the arrangement for the easy magnetization direction (EMD) . It is found that when x is increased from 0.16 to 0.28, T[sub c] increases from 617 to 623 K, while T[sub SR] decreases from 375 to 160 K at which the EMD reorients from <100> to <111> axis. The magnetization and magnetostriction of the compounds are measured as a function of applied field. The magnetocrystalline anisotropy constant K₁ and the ratio λα/K₁ reach a minimum and a maximum value at x=0.22, respectively. The single phase Tb₀.₂₂Dy₀.₄₈Pr₀.₃(Fe₀.₉B₀.₁) ₁.₉₃ compound has the lowest magnetocrystalline anisotropy, the highest magnetostriction to anisotropy ratio, and a large spontaneous magnetostriction λ₁₁₁of ~ 1500 ppm at room temperature. In view of these properties, the compound is a promising magnetostrictive material.
Rights: © 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in J. J. Liu et al., J. Appl. Phys. 100, 023904 (2006) and may be found at http://link.aip.org/link/?jap/100/023904.
Type: Journal/Magazine Article
URI: http://hdl.handle.net/10397/4239
DOI: 10.1063/1.2219344
ISSN: 0021-8979 (print)
1089-7550 (online)
Appears in Collections:AP Journal/Magazine Articles

Files in This Item:
File Description SizeFormat 
Liu_Spin_configuration_magnetostrictive.pdf366.83 kBAdobe PDFView/Open


All items in the PolyU Institutional Repository are protected by copyright, with all rights reserved, unless otherwise indicated. No item in the PolyU IR may be reproduced for commercial or resale purposes.