Paper Title:
Spin Reorientation Transition and Exotic Magnetism in Dilute Gd1-xYx Single Crystals (x < 0.1) Revealed by A.C. Magnetoresistance Studies
  Abstract

We measured dilute Gd1-xYx single crystals (x < 0.1) samples using an a.c. magnetoresistance technique. This technique consists in applying a constant current to the sample and measuring the temperature dependent a.c. voltage under a time modulated external magnetic field (f = 333 Hz). The a.c. voltage signal is decomposed in real and imaginary components or, alternatively, in amplitude and phase signals relative to the a.c. magnetic field. This technique proved to be extremely sensitive and effective to display all the magnetic phase transitions revealed by the previous d.c. transport measurements, plus an additional spectrum of other critical features.

  Info
Periodical
Materials Science Forum (Volumes 514-516)
Edited by
Paula Maria Vilarinho
Pages
309-313
DOI
10.4028/www.scientific.net/MSF.514-516.309
Citation
J. A.M. Santos, J. B. Sousa, J. P. Araújo, F. Correia, J.F. Collingwood, S.B. Palmer, "Spin Reorientation Transition and Exotic Magnetism in Dilute Gd1-xYx Single Crystals (x < 0.1) Revealed by A.C. Magnetoresistance Studies", Materials Science Forum, Vols. 514-516, pp. 309-313, 2006
Online since
May 2006
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