Quasi two-dimensional character of the magnetic transition order - disorder in the YMn6Sn6

A.A. Bykov, Y. O. Chetverikov, A. N. Pirogov, S. V. Grigoriev

Результат исследований: Научные публикации в периодических изданияхстатья

Выдержка

The magnetic structure of YMn6Sn6 helimagnet has been studied by smallangle neutron scattering in the temperature range from 25 to 360 K. Two peaks with centers at 1.7 and 0 nm–1 have been observed in the dependences of the intensity of neutron scattering on the momentum transfer. An increase in the temperature is accompanied by a decrease in the intensity of the first peak and an increase in the intensity of the second peak. In addition, the shape of the peak with the center at 1.7 nm–1 changes from Gaussian to Lorentzian. This change can be explained by the fact of the magnetic order–disorder transition from the helimagnet to the state with spatial ferromagnetic fluctuations occurs in YMn6Sn6 in the interval of 250–360 K. The anisotropy of the shape along the momentum transfer is observed for the peak with the center at 1.7 nm–1. This, as well as the compatible variation of the FWHM and intensity of the peak with the center at 1.7 nm–1 with the temperature, indicates the quasi two dimensional character of t
Язык оригиналане определен
ЖурналJETP Letters
СостояниеОпубликовано - 2015

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@article{124c21b48dbe46f3a9e67efbdd5c6d5a,
title = "Quasi two-dimensional character of the magnetic transition order - disorder in the YMn6Sn6",
abstract = "The magnetic structure of YMn6Sn6 helimagnet has been studied by smallangle neutron scattering in the temperature range from 25 to 360 K. Two peaks with centers at 1.7 and 0 nm–1 have been observed in the dependences of the intensity of neutron scattering on the momentum transfer. An increase in the temperature is accompanied by a decrease in the intensity of the first peak and an increase in the intensity of the second peak. In addition, the shape of the peak with the center at 1.7 nm–1 changes from Gaussian to Lorentzian. This change can be explained by the fact of the magnetic order–disorder transition from the helimagnet to the state with spatial ferromagnetic fluctuations occurs in YMn6Sn6 in the interval of 250–360 K. The anisotropy of the shape along the momentum transfer is observed for the peak with the center at 1.7 nm–1. This, as well as the compatible variation of the FWHM and intensity of the peak with the center at 1.7 nm–1 with the temperature, indicates the quasi two dimensional character of t",
author = "A.A. Bykov and Chetverikov, {Y. O.} and Pirogov, {A. N.} and Grigoriev, {S. V.}",
year = "2015",
language = "не определен",
journal = "JETP Letters",
issn = "0021-3640",
publisher = "МАИК {"}Наука/Интерпериодика{"}",

}

Quasi two-dimensional character of the magnetic transition order - disorder in the YMn6Sn6. / Bykov, A.A.; Chetverikov, Y. O.; Pirogov, A. N.; Grigoriev, S. V.

В: JETP Letters, 2015.

Результат исследований: Научные публикации в периодических изданияхстатья

TY - JOUR

T1 - Quasi two-dimensional character of the magnetic transition order - disorder in the YMn6Sn6

AU - Bykov, A.A.

AU - Chetverikov, Y. O.

AU - Pirogov, A. N.

AU - Grigoriev, S. V.

PY - 2015

Y1 - 2015

N2 - The magnetic structure of YMn6Sn6 helimagnet has been studied by smallangle neutron scattering in the temperature range from 25 to 360 K. Two peaks with centers at 1.7 and 0 nm–1 have been observed in the dependences of the intensity of neutron scattering on the momentum transfer. An increase in the temperature is accompanied by a decrease in the intensity of the first peak and an increase in the intensity of the second peak. In addition, the shape of the peak with the center at 1.7 nm–1 changes from Gaussian to Lorentzian. This change can be explained by the fact of the magnetic order–disorder transition from the helimagnet to the state with spatial ferromagnetic fluctuations occurs in YMn6Sn6 in the interval of 250–360 K. The anisotropy of the shape along the momentum transfer is observed for the peak with the center at 1.7 nm–1. This, as well as the compatible variation of the FWHM and intensity of the peak with the center at 1.7 nm–1 with the temperature, indicates the quasi two dimensional character of t

AB - The magnetic structure of YMn6Sn6 helimagnet has been studied by smallangle neutron scattering in the temperature range from 25 to 360 K. Two peaks with centers at 1.7 and 0 nm–1 have been observed in the dependences of the intensity of neutron scattering on the momentum transfer. An increase in the temperature is accompanied by a decrease in the intensity of the first peak and an increase in the intensity of the second peak. In addition, the shape of the peak with the center at 1.7 nm–1 changes from Gaussian to Lorentzian. This change can be explained by the fact of the magnetic order–disorder transition from the helimagnet to the state with spatial ferromagnetic fluctuations occurs in YMn6Sn6 in the interval of 250–360 K. The anisotropy of the shape along the momentum transfer is observed for the peak with the center at 1.7 nm–1. This, as well as the compatible variation of the FWHM and intensity of the peak with the center at 1.7 nm–1 with the temperature, indicates the quasi two dimensional character of t

M3 - статья

JO - JETP Letters

JF - JETP Letters

SN - 0021-3640

ER -