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

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 Tix 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 mod- ulate the spin chirality by the effect of spin dilution for Ti2+ on the structural and magnetic properties of delafos- site CuCrO2 having a S = 3/2 antiferromagnetic triangular lattice (ATL).
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https://hal.inria.fr/hal-00984216
Contributor : Pierre Strobel Connect in order to contact the contributor
Submitted on : Monday, April 28, 2014 - 8:56:56 AM
Last modification on : Monday, January 31, 2022 - 11:40:02 AM

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T. Elkhouni, M. Amami, Pierre Strobel, A. Ben Salah. Structural, Raman Spectroscopy, and Magnetic Ordering in New Delafossite-Type Oxide CuCr1−x Tix O2 (0 ≤ x ≤ 0.1). Journal of Superconductivity and Novel Magnetism, Springer Verlag, 2013, 26, pp.2795-2802. ⟨10.1007/s10948-013-2256-7⟩. ⟨hal-00984216⟩

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