A method based on magnetic moment measurement to identify the structural transition of quenched Fe1 -xGax (x = 0.15–0.30) alloys

doi:10.1088/1674-1056/20/7/077501

Abstract A method based on the measurement of Fe average atomic magnetic moment to identify the structural transition caused by the increase of Ga content in quenched Fe_{1 - x}Ga_x alloys (0.15 ≤ x ≤ 0.30) is proposed. The quenched Fe_{1 - x}Ga_x alloys show a change of the Fe average atomic magnetic moment from 2.25 μ_B to 1.78 μ_B and then to 1.58 μ_B, which corresponds to the structural transition from A2 to D0₃ and then to B2. The relationship between the structure and the magnetostriction is clarified, and the maximum magnetostriction appears in the A2 phase. The variation tendency of the magnetostriction is well characterized, which also reflects the structural transition.

Keywords: magnetic moment structure magnetostrictions Fe–Ga alloy

Received: 18 November 2010
Revised: 28 March 2011
Accepted manuscript online:

PACS:	75.30.Cr	(Saturation moments and magnetic susceptibilities)
	75.50.Bb	(Fe and its alloys)

Cite this article:

Zhu Xiao-Xi(朱小溪), Liu Jing-Hua(刘敬华), Xu Xiang(徐翔), and Jiang Cheng-Bao(蒋成保) A method based on magnetic moment measurement to identify the structural transition of quenched Fe_{1 -x}Ga_x (x = 0.15–0.30) alloys 2011 Chin. Phys. B 20 077501

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A method based on magnetic moment measurement to identify the structural transition of quenched Fe1 -xGax (x = 0.15–0.30) alloys

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A method based on magnetic moment measurement to identify the structural transition of quenched Fe_{1 -x}Ga_x (x = 0.15–0.30) alloys