Measuring the effect of demagnetization in stacks of gadolinium plates using the magnetocaloric effect

KW Lipso..[et al.]; KK Nielsen; DV Christensen; CRH Bahl

doi:10.1016/j.jmmm.2011.06.052

Measuring the effect of demagnetization in stacks of gadolinium plates using the magnetocaloric effect

KW Lipso..[et al.], KK Nielsen, DV Christensen, CRH Bahl

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Abstract

The effect of demagnetization in a stack of gadolinium plates is determined experimentally by using spatially resolved measurements of the adiabatic temperature change due to the magnetocaloric effect. The number of plates in the stack, the spacing between them and the position of the plate on which the temperature is measured are varied. The orientation of the magnetic field is also varied. The measurements are compared to a magnetostatic model previously described. The results show that the magnetocaloric effect, due to the change in the internal field, is sensitive to the stack configuration and the orientation of the applied field. This may have significant implications for the construction of a magnetic cooling device.

Original language	English
Journal	Journal of Magnetism and Magnetic Materials
Volume	323
Issue number	23
Pages (from-to)	3027-3032
ISSN	0304-8853
DOIs	https://doi.org/10.1016/j.jmmm.2011.06.052
Publication status	Published - Dec 2011

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10.1016/j.jmmm.2011.06.052

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title = "Measuring the effect of demagnetization in stacks of gadolinium plates using the magnetocaloric effect",

abstract = "The effect of demagnetization in a stack of gadolinium plates is determined experimentally by using spatially resolved measurements of the adiabatic temperature change due to the magnetocaloric effect. The number of plates in the stack, the spacing between them and the position of the plate on which the temperature is measured are varied. The orientation of the magnetic field is also varied. The measurements are compared to a magnetostatic model previously described. The results show that the magnetocaloric effect, due to the change in the internal field, is sensitive to the stack configuration and the orientation of the applied field. This may have significant implications for the construction of a magnetic cooling device.",

author = "{Lipso..[et al.]}, KW and KK Nielsen and DV Christensen and CRH Bahl",

year = "2011",

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T1 - Measuring the effect of demagnetization in stacks of gadolinium plates using the magnetocaloric effect

AU - Lipso..[et al.], KW

AU - Nielsen, KK

AU - Christensen, DV

AU - Bahl, CRH

PY - 2011/12

Y1 - 2011/12

N2 - The effect of demagnetization in a stack of gadolinium plates is determined experimentally by using spatially resolved measurements of the adiabatic temperature change due to the magnetocaloric effect. The number of plates in the stack, the spacing between them and the position of the plate on which the temperature is measured are varied. The orientation of the magnetic field is also varied. The measurements are compared to a magnetostatic model previously described. The results show that the magnetocaloric effect, due to the change in the internal field, is sensitive to the stack configuration and the orientation of the applied field. This may have significant implications for the construction of a magnetic cooling device.

AB - The effect of demagnetization in a stack of gadolinium plates is determined experimentally by using spatially resolved measurements of the adiabatic temperature change due to the magnetocaloric effect. The number of plates in the stack, the spacing between them and the position of the plate on which the temperature is measured are varied. The orientation of the magnetic field is also varied. The measurements are compared to a magnetostatic model previously described. The results show that the magnetocaloric effect, due to the change in the internal field, is sensitive to the stack configuration and the orientation of the applied field. This may have significant implications for the construction of a magnetic cooling device.

U2 - 10.1016/j.jmmm.2011.06.052

DO - 10.1016/j.jmmm.2011.06.052

M3 - Journal article

SN - 0304-8853

VL - 323

SP - 3027

EP - 3032

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

IS - 23

ER -

Measuring the effect of demagnetization in stacks of gadolinium plates using the magnetocaloric effect

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