Magnetic properties and magnetic entropy change of amorphous and crystalline GdNiAl ribbons

L. Si; J. Ding; Y. Li; B. Yao; H. Tan

doi:10.1007/s003390101034

Magnetic properties and magnetic entropy change of amorphous and crystalline GdNiAl ribbons

L. Si^*
, J. Ding
, Y. Li
, B. Yao
, H. Tan

^*此作品的通讯作者

National University of Singapore
McMaster University

科研成果: 期刊稿件 › 文章 › 同行评审

45 引用（Scopus）

摘要

The structure and magnetic properties of amorphous melt-spun and subsequently crystallized GdNiAl ribbons were investigated. An amorphous phase was formed after the quenching process by melt spinning with a copper wheel having a surface speed of 30 m/s. A hexagonal phase with lattice parameters a = 7.023 Å and c = 3.916 Å was formed in the GdNiAl ribbon after annealing above its crystallization temperature. Magnetic entropy change was calculated directly from isothermal magnetic measurements. The results show that both the amorphous and annealed samples have a high magnetocaloric effect, indicating that these alloys can be considered as candidates for magnetic refrigeration applications.

源语言	英语
页（从-至）	535-539
页数	5
期刊	Applied Physics A: Materials Science and Processing
卷	75
期	4
DOI	https://doi.org/10.1007/s003390101034
出版状态	已出版 - 10月 2002
已对外发布	是

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abstract = "The structure and magnetic properties of amorphous melt-spun and subsequently crystallized GdNiAl ribbons were investigated. An amorphous phase was formed after the quenching process by melt spinning with a copper wheel having a surface speed of 30 m/s. A hexagonal phase with lattice parameters a = 7.023 {\AA} and c = 3.916 {\AA} was formed in the GdNiAl ribbon after annealing above its crystallization temperature. Magnetic entropy change was calculated directly from isothermal magnetic measurements. The results show that both the amorphous and annealed samples have a high magnetocaloric effect, indicating that these alloys can be considered as candidates for magnetic refrigeration applications.",

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AU - Si, L.

AU - Ding, J.

AU - Li, Y.

AU - Yao, B.

AU - Tan, H.

PY - 2002/10

Y1 - 2002/10

N2 - The structure and magnetic properties of amorphous melt-spun and subsequently crystallized GdNiAl ribbons were investigated. An amorphous phase was formed after the quenching process by melt spinning with a copper wheel having a surface speed of 30 m/s. A hexagonal phase with lattice parameters a = 7.023 Å and c = 3.916 Å was formed in the GdNiAl ribbon after annealing above its crystallization temperature. Magnetic entropy change was calculated directly from isothermal magnetic measurements. The results show that both the amorphous and annealed samples have a high magnetocaloric effect, indicating that these alloys can be considered as candidates for magnetic refrigeration applications.

AB - The structure and magnetic properties of amorphous melt-spun and subsequently crystallized GdNiAl ribbons were investigated. An amorphous phase was formed after the quenching process by melt spinning with a copper wheel having a surface speed of 30 m/s. A hexagonal phase with lattice parameters a = 7.023 Å and c = 3.916 Å was formed in the GdNiAl ribbon after annealing above its crystallization temperature. Magnetic entropy change was calculated directly from isothermal magnetic measurements. The results show that both the amorphous and annealed samples have a high magnetocaloric effect, indicating that these alloys can be considered as candidates for magnetic refrigeration applications.

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JO - Applied Physics A: Materials Science and Processing

JF - Applied Physics A: Materials Science and Processing

IS - 4

ER -

Magnetic properties and magnetic entropy change of amorphous and crystalline GdNiAl ribbons

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