Magnetostrictive and piezomagnetic properties of Tb(1-x)Dy(x)Zn at low temperatures

Marilyn Wun-Fogle; James B. Restorff; Arthur E. Clark; James B. Cullen; Thomas A. Lograsso

doi:10.1117/12.432752

11 July 2001 Magnetostrictive and piezomagnetic properties of Tb_1-xDy_xZn at low temperatures

Marilyn Wun-Fogle, James B. Restorff, Arthur E. Clark, James B. Cullen, Thomas A. Lograsso

Proceedings Volume 4333, Smart Structures and Materials 2001: Active Materials: Behavior and Mechanics; (2001) https://doi.org/10.1117/12.432752
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

Abstract

Tb_1-xDy_xZn(01-xDy_x alloys exist in the hexagonal phase, with the c-axis extremely hard, whereas for Tb_1-xDy_xFe₂, a cubic Laves phase alloy, very hard <111> axes can be changed to very hard <100> axes by increasing x from 0 to 1. (In fact, the existence of a near zero magnetic anisotropy by the proper choice of x is the origin of the well-known Terfenol-D alloys, Tb_1-xDy_xFe₂). The Tb$1-x)Dy_xZn system discussed here is particularly attractive because of the simplicity of its crystal structure (CsCl), its relatively high Curie temperatures (for rare earth alloys), and the existence of a large (uv0) phase for T < 50K. A summary of some of the important properties of these three alloy systems is given in Table I. In all these systems, at least one of the magnetostriction constraints is very large.

Citation Download Citation

Marilyn Wun-Fogle, James B. Restorff, Arthur E. Clark, James B. Cullen, and Thomas A. Lograsso "Magnetostrictive and piezomagnetic properties of Tb_1-xDy_xZn at low temperatures", Proc. SPIE 4333, Smart Structures and Materials 2001: Active Materials: Behavior and Mechanics, (11 July 2001); https://doi.org/10.1117/12.432752

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