Magnetic-field dependence of antiferromagnetic structure in CeRh 1-xCoxIn5

M. Yokoyama; Y. Ikeda; I. Kawasaki; D. Nishikawa; K. Tenya; K. Kuwahara; H. Amitsuka

doi:10.1088/1742-6596/200/1/012239

Magnetic-field dependence of antiferromagnetic structure in CeRh _1-xCo_xIn₅

M. Yokoyama, Y. Ikeda, I. Kawasaki, D. Nishikawa, K. Tenya, K. Kuwahara, H. Amitsuka

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

Abstract

We investigated effects of magnetic field H on antiferromagnetic (AF) structures in CeRh_1-xCo_xIn₅ by performing the elastic neutron scattering measurements. By applying H along the [10] direction, the incommensurate AF state with the propagation vector of q_h ₁ = (1/2, 1/2,0.297) observed at H = 0 is replaced by the commensurate AF state with the q_c2 = (1/2, 1/2,1/4) modulation above 2 T for x = 0.23, while the AF states with the q _c1 = (1/2,1/2, 1/2) and q_h2 = (1/2,1/2,0.42) modulations seen at H = 0 change into a single q_c ₁-AF state above ∼ 1.6 T for x = 0.7. These results suggest the different types of AF correlation for Co concentrations of 0.23 and 0.7 in an applied magnetic field H.

Original language	English
Article number	012239
Journal	Journal of Physics: Conference Series
Volume	200
Issue number	SECTION 1
DOIs	https://doi.org/10.1088/1742-6596/200/1/012239
Publication status	Published - 2010
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Magnetic-field dependence of antiferromagnetic structure in CeRh 1-xCoxIn5",

abstract = "We investigated effects of magnetic field H on antiferromagnetic (AF) structures in CeRh1-xCoxIn5 by performing the elastic neutron scattering measurements. By applying H along the [10] direction, the incommensurate AF state with the propagation vector of qh 1 = (1/2, 1/2,0.297) observed at H = 0 is replaced by the commensurate AF state with the qc2 = (1/2, 1/2,1/4) modulation above 2 T for x = 0.23, while the AF states with the q c1 = (1/2,1/2, 1/2) and qh2 = (1/2,1/2,0.42) modulations seen at H = 0 change into a single qc 1-AF state above ∼ 1.6 T for x = 0.7. These results suggest the different types of AF correlation for Co concentrations of 0.23 and 0.7 in an applied magnetic field H.",

author = "M. Yokoyama and Y. Ikeda and I. Kawasaki and D. Nishikawa and K. Tenya and K. Kuwahara and H. Amitsuka",

year = "2010",

doi = "10.1088/1742-6596/200/1/012239",

language = "English",

volume = "200",

journal = "Journal of Physics: Conference Series",

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TY - JOUR

T1 - Magnetic-field dependence of antiferromagnetic structure in CeRh 1-xCoxIn5

AU - Yokoyama, M.

AU - Ikeda, Y.

AU - Kawasaki, I.

AU - Nishikawa, D.

AU - Tenya, K.

AU - Kuwahara, K.

AU - Amitsuka, H.

PY - 2010

Y1 - 2010

N2 - We investigated effects of magnetic field H on antiferromagnetic (AF) structures in CeRh1-xCoxIn5 by performing the elastic neutron scattering measurements. By applying H along the [10] direction, the incommensurate AF state with the propagation vector of qh 1 = (1/2, 1/2,0.297) observed at H = 0 is replaced by the commensurate AF state with the qc2 = (1/2, 1/2,1/4) modulation above 2 T for x = 0.23, while the AF states with the q c1 = (1/2,1/2, 1/2) and qh2 = (1/2,1/2,0.42) modulations seen at H = 0 change into a single qc 1-AF state above ∼ 1.6 T for x = 0.7. These results suggest the different types of AF correlation for Co concentrations of 0.23 and 0.7 in an applied magnetic field H.

AB - We investigated effects of magnetic field H on antiferromagnetic (AF) structures in CeRh1-xCoxIn5 by performing the elastic neutron scattering measurements. By applying H along the [10] direction, the incommensurate AF state with the propagation vector of qh 1 = (1/2, 1/2,0.297) observed at H = 0 is replaced by the commensurate AF state with the qc2 = (1/2, 1/2,1/4) modulation above 2 T for x = 0.23, while the AF states with the q c1 = (1/2,1/2, 1/2) and qh2 = (1/2,1/2,0.42) modulations seen at H = 0 change into a single qc 1-AF state above ∼ 1.6 T for x = 0.7. These results suggest the different types of AF correlation for Co concentrations of 0.23 and 0.7 in an applied magnetic field H.

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DO - 10.1088/1742-6596/200/1/012239

M3 - Conference article

AN - SCOPUS:77957047957

VL - 200

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

SN - 1742-6588

IS - SECTION 1

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Magnetic-field dependence of antiferromagnetic structure in CeRh _1-xCo_xIn₅

Abstract

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