Morphotropic phase boundary and magnetoelastic behaviour in ferromagnetic Tb1-xGdxFe2 system

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Author(s)

  • Murtaza Adil
  • Sen Yang
  • Meng Mi
  • Chao Zhou
  • Jieqiong Wang
  • Rui Zhang
  • Xiaoqi Liao
  • Yu Wang
  • Xiaobing Ren
  • Xiaoping Song

Detail(s)

Original languageEnglish
Article number132403
Journal / PublicationApplied Physics Letters
Volume106
Issue number13
Publication statusPublished - 30 Mar 2015
Externally publishedYes

Abstract

Morphotropic phase boundary (MPB), separating two ferroic phases of different crystal symmetries, has been studied extensively for its extraordinary enhancement of piezoelectricity in ferroelectrics. Based on the same mechanism, we have designed a magnetic MPB in the pseudobinary ferromagnetic system of Tb1-xGdxFe2 and the corresponding crystal structure, magnetic properties, and magnetostriction are explored. With the synchrotron x-ray diffractometry, the structure symmetry of TbFe2-rich compositions is detected to be rhombohedral (R) and that of GdFe2-rich compositions is tetragonal (T) below Tc. With the change of concentration, the value of magnetostriction of the samples changes monotonously, while the MPB composition Tb0.1Gd0.9Fe2, which corresponds to the coexistence of R and T phases, exhibits the maximum magnetization among all available compositions and superposition of magnetostriction behaviour of R and T phases. Our result of MPB phenomena in ferromagnets may provide an effective route to design functional magnetic materials with exotic properties.

Bibliographic Note

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Citation Format(s)

Morphotropic phase boundary and magnetoelastic behaviour in ferromagnetic Tb1-xGdxFe2 system. / Adil, Murtaza; Yang, Sen; Mi, Meng et al.
In: Applied Physics Letters, Vol. 106, No. 13, 132403, 30.03.2015.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review