Evolution with applied field of the magnetic structure of TbNiAl4

R. White; W. D. Hutchison; D. J. Goossens; A. J. Studer; K. Nishimura

doi:10.1007/s10751-014-1103-y

Evolution with applied field of the magnetic structure of TbNiAl₄

R. White^*, W. D. Hutchison, D. J. Goossens, A. J. Studer, K. Nishimura

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Neutron powder diffraction data of TbNiAl₄ has been re-examined using a representational analysis, allowing a new model of the magnetic structure to be deduced. The basis vectors obtained describe an ‘elliptical helix’ type structure in which the moments rotate in the ab-plane as one moves along the c-axis. This new model has been used to simulate the expected result of a Low Temperature Nuclear Orientation (LTNO) experiment involving 299 keV gamma-ray emission from the ¹⁶⁰Dy daughter of aligned ¹⁶⁰Tb nuclei. Results of the simulation along the a-axis appear to partly match currently existing experimental data, with good agreement in the magnitude of lost anisotropy.

Original language	English
Pages (from-to)	85-93
Number of pages	9
Journal	Hyperfine Interactions
Volume	231
Issue number	1-3
DOIs	https://doi.org/10.1007/s10751-014-1103-y
Publication status	Published - 1 Apr 2015

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title = "Evolution with applied field of the magnetic structure of TbNiAl4 ",

abstract = "Neutron powder diffraction data of TbNiAl4 has been re-examined using a representational analysis, allowing a new model of the magnetic structure to be deduced. The basis vectors obtained describe an {\textquoteleft}elliptical helix{\textquoteright} type structure in which the moments rotate in the ab-plane as one moves along the c-axis. This new model has been used to simulate the expected result of a Low Temperature Nuclear Orientation (LTNO) experiment involving 299 keV gamma-ray emission from the 160Dy daughter of aligned 160Tb nuclei. Results of the simulation along the a-axis appear to partly match currently existing experimental data, with good agreement in the magnitude of lost anisotropy.",

keywords = "LTNO, Neutron diffraction, Representations",

author = "R. White and Hutchison, {W. D.} and Goossens, {D. J.} and Studer, {A. J.} and K. Nishimura",

note = "Publisher Copyright: {\textcopyright} 2014, Springer International Publishing Switzerland.",

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doi = "10.1007/s10751-014-1103-y",

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T1 - Evolution with applied field of the magnetic structure of TbNiAl4

AU - White, R.

AU - Hutchison, W. D.

AU - Goossens, D. J.

AU - Studer, A. J.

AU - Nishimura, K.

PY - 2015/4/1

Y1 - 2015/4/1

N2 - Neutron powder diffraction data of TbNiAl4 has been re-examined using a representational analysis, allowing a new model of the magnetic structure to be deduced. The basis vectors obtained describe an ‘elliptical helix’ type structure in which the moments rotate in the ab-plane as one moves along the c-axis. This new model has been used to simulate the expected result of a Low Temperature Nuclear Orientation (LTNO) experiment involving 299 keV gamma-ray emission from the 160Dy daughter of aligned 160Tb nuclei. Results of the simulation along the a-axis appear to partly match currently existing experimental data, with good agreement in the magnitude of lost anisotropy.

AB - Neutron powder diffraction data of TbNiAl4 has been re-examined using a representational analysis, allowing a new model of the magnetic structure to be deduced. The basis vectors obtained describe an ‘elliptical helix’ type structure in which the moments rotate in the ab-plane as one moves along the c-axis. This new model has been used to simulate the expected result of a Low Temperature Nuclear Orientation (LTNO) experiment involving 299 keV gamma-ray emission from the 160Dy daughter of aligned 160Tb nuclei. Results of the simulation along the a-axis appear to partly match currently existing experimental data, with good agreement in the magnitude of lost anisotropy.

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KW - Neutron diffraction

KW - Representations

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VL - 231

SP - 85

EP - 93

JO - Hyperfine Interactions

JF - Hyperfine Interactions

IS - 1-3

ER -

Evolution with applied field of the magnetic structure of TbNiAl₄

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