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Journal of Superconductivity and Novel Magnetism

, Volume 26, Issue 9, pp 2795–2802 | Cite as

Structural, Raman Spectroscopy, and Magnetic Ordering in New Delafossite-Type Oxide CuCr1−x Ti x O2 (0≤x≤0.1)

  • T. Elkhouni
  • M. Amami
  • P. Strobel
  • A. Ben Salah
Review Paper

Abstract

We investigated in this paper a new mixture +3/+2 B cations delafossites by the doping at Cr3+ sites in CuCrO2 by nonmagnetic cation Ti2+. Ceramics of CuCr1−x Ti x O2 (0≤x≤0.1) were prepared via solid state synthesis techniques in a controlled atmosphere of O2. The compound crystallized into the 3R delafossite phase with hexagonal structure. The slightly different size in B cations induced a slightly variation in unit cell parameters. We modulate the spin chirality by the effect of spin dilution for Ti2+ on the structural and magnetic properties of delafossite CuCrO2 having a S=3/2 antiferromagnetic triangular lattice (ATL).

Keywords

p-Type transparent semiconductor Delafossite XRD Raman spectroscopy Magnetic properties 

Notes

Acknowledgement

This work was financially supported by Université Joseph Fourier (UJF Chimie), Grenoble, France.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • T. Elkhouni
    • 1
  • M. Amami
    • 1
    • 3
  • P. Strobel
    • 2
  • A. Ben Salah
    • 1
  1. 1.Laboratoire des Sciences de Matériaux et d’EnvironnementFaculté des Sciences de SfaxSfaxTunisia
  2. 2.Institut NéelCNRS et Université Joseph FourierGrenoble Cedex 9France
  3. 3.Unité de Recherche de Chimie des Matériaux, ISSBATUniversité Tunis ElManarTunisTunisia

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