Substitution effect on the magnetic state of delafossite CuCrO2 having a Spin-3/2 antiferromagnetic triangular sublattice

T. Okuda; S. Oozono; T. Hokazono; K. Uto; Y. Fujii; Y. Beppu; S. Seki; Y. Onose; Y. Tokura; R. Kajimoto; M. Matsuda

doi:10.1088/1742-6596/400/3/032072

Substitution effect on the magnetic state of delafossite CuCrO₂ having a Spin-3/2 antiferromagnetic triangular sublattice

T. Okuda, S. Oozono, T. Hokazono, K. Uto, Y. Fujii, Y. Beppu, S. Seki, Y. Onose, Y. Tokura, R. Kajimoto, M. Matsuda

IMR - Materials Design Division

Research output: Contribution to journal › Conference article › peer-review

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Abstract

We have investigated substitution effects on transport, magnetic, and thermal properties of delafossite CuCrO₂ having a spin-3/2 antiferromagnetic triangular sublattice by measurements of resistivity, magnetization, specific heat, and neutron scattering. In the proceeding, we show unique effects of hole-doping by a substitution of nonmagnetic Mg²⁺ ions for magnetic Cr³⁺ ions (S = 3/2), randomness introduced between CrO₂ layers by a substitution of Ag⁺ ions for Cu ⁺ ions, and spin-defect introduced into CrO₂ layers by a substitution of nonmagnetic Al³⁺ ions for Cr³⁺ ions upon the magnetic state in CuCrO₂.

Original language	English
Article number	032072
Journal	Journal of Physics: Conference Series
Volume	400
Issue number	PART 3
DOIs	https://doi.org/10.1088/1742-6596/400/3/032072
Publication status	Published - 2012
Event	26th International Conference on Low Temperature Physics, LT 2011 - Beijing, China Duration: 2011 Aug 10 → 2011 Aug 17

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Okuda, T., Oozono, S., Hokazono, T., Uto, K., Fujii, Y., Beppu, Y., Seki, S., Onose, Y., Tokura, Y., Kajimoto, R., & Matsuda, M. (2012). Substitution effect on the magnetic state of delafossite CuCrO₂ having a Spin-3/2 antiferromagnetic triangular sublattice. Journal of Physics: Conference Series, 400(PART 3), Article 032072. https://doi.org/10.1088/1742-6596/400/3/032072

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title = "Substitution effect on the magnetic state of delafossite CuCrO2 having a Spin-3/2 antiferromagnetic triangular sublattice",

abstract = "We have investigated substitution effects on transport, magnetic, and thermal properties of delafossite CuCrO2 having a spin-3/2 antiferromagnetic triangular sublattice by measurements of resistivity, magnetization, specific heat, and neutron scattering. In the proceeding, we show unique effects of hole-doping by a substitution of nonmagnetic Mg2+ ions for magnetic Cr3+ ions (S = 3/2), randomness introduced between CrO2 layers by a substitution of Ag+ ions for Cu + ions, and spin-defect introduced into CrO2 layers by a substitution of nonmagnetic Al3+ ions for Cr3+ ions upon the magnetic state in CuCrO2.",

author = "T. Okuda and S. Oozono and T. Hokazono and K. Uto and Y. Fujii and Y. Beppu and S. Seki and Y. Onose and Y. Tokura and R. Kajimoto and M. Matsuda",

year = "2012",

doi = "10.1088/1742-6596/400/3/032072",

language = "English",

volume = "400",

journal = "Journal of Physics: Conference Series",

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note = "26th International Conference on Low Temperature Physics, LT 2011 ; Conference date: 10-08-2011 Through 17-08-2011",

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TY - JOUR

T1 - Substitution effect on the magnetic state of delafossite CuCrO2 having a Spin-3/2 antiferromagnetic triangular sublattice

AU - Okuda, T.

AU - Oozono, S.

AU - Hokazono, T.

AU - Uto, K.

AU - Fujii, Y.

AU - Beppu, Y.

AU - Seki, S.

AU - Onose, Y.

AU - Tokura, Y.

AU - Kajimoto, R.

AU - Matsuda, M.

PY - 2012

Y1 - 2012

N2 - We have investigated substitution effects on transport, magnetic, and thermal properties of delafossite CuCrO2 having a spin-3/2 antiferromagnetic triangular sublattice by measurements of resistivity, magnetization, specific heat, and neutron scattering. In the proceeding, we show unique effects of hole-doping by a substitution of nonmagnetic Mg2+ ions for magnetic Cr3+ ions (S = 3/2), randomness introduced between CrO2 layers by a substitution of Ag+ ions for Cu + ions, and spin-defect introduced into CrO2 layers by a substitution of nonmagnetic Al3+ ions for Cr3+ ions upon the magnetic state in CuCrO2.

AB - We have investigated substitution effects on transport, magnetic, and thermal properties of delafossite CuCrO2 having a spin-3/2 antiferromagnetic triangular sublattice by measurements of resistivity, magnetization, specific heat, and neutron scattering. In the proceeding, we show unique effects of hole-doping by a substitution of nonmagnetic Mg2+ ions for magnetic Cr3+ ions (S = 3/2), randomness introduced between CrO2 layers by a substitution of Ag+ ions for Cu + ions, and spin-defect introduced into CrO2 layers by a substitution of nonmagnetic Al3+ ions for Cr3+ ions upon the magnetic state in CuCrO2.

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SN - 1742-6588

VL - 400

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

IS - PART 3

M1 - 032072

T2 - 26th International Conference on Low Temperature Physics, LT 2011

Y2 - 10 August 2011 through 17 August 2011

ER -

Substitution effect on the magnetic state of delafossite CuCrO₂ having a Spin-3/2 antiferromagnetic triangular sublattice

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