Structural and magnetic properties of the Fe0.7- xSi0.3Cox alloy system

I. A. Al-Omari; A. Rais

doi:10.1016/j.jmmm.2005.05.002

Structural and magnetic properties of the Fe0.7- xSi0.3Cox alloy system

I. A. Al-Omari^*, A. Rais

^*Corresponding author for this work

Physics

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

3 Citations (Scopus)

Abstract

In this paper we present magnetic and structural studies for the alloy system Fe_0.7-xSi_0.3Co_x, where 0≤x≤0.3. The structural characteristics of the alloys were evaluated using X-ray diffraction and the existence of the single cubic phase was confirmed from the diffraction patterns. The lattice constant was found to depend on the Co concentration with a slight decrease with increasing the concentration, x. The magnetic measurements were performed by using a vibrating sample magnetometer with a maximum field of 13.5 kOe, at temperatures between 77 and 1000 K. The results for all the samples show ferromagnetic behavior up to Curie temperature. The saturation magnetization at low temperatures was found to increase with increasing Co concentration, reaching a maximum at x=0.2 then decreases for x=0.3. The Curie temperature was found to increase from 690 K for x=0 to 972 K for x=0.3.

Original language	English
Pages (from-to)	430-434
Number of pages	5
Journal	Journal of Magnetism and Magnetic Materials
Volume	299
Issue number	2
DOIs	https://doi.org/10.1016/j.jmmm.2005.05.002
Publication status	Published - Apr 2006

Keywords

Curie temperature
Lattice constant
Magnetic moment
Saturation magnetization

ASJC Scopus subject areas

Condensed Matter Physics

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title = "Structural and magnetic properties of the Fe0.7- xSi0.3Cox alloy system",

abstract = "In this paper we present magnetic and structural studies for the alloy system Fe0.7-xSi0.3Cox, where 0≤x≤0.3. The structural characteristics of the alloys were evaluated using X-ray diffraction and the existence of the single cubic phase was confirmed from the diffraction patterns. The lattice constant was found to depend on the Co concentration with a slight decrease with increasing the concentration, x. The magnetic measurements were performed by using a vibrating sample magnetometer with a maximum field of 13.5 kOe, at temperatures between 77 and 1000 K. The results for all the samples show ferromagnetic behavior up to Curie temperature. The saturation magnetization at low temperatures was found to increase with increasing Co concentration, reaching a maximum at x=0.2 then decreases for x=0.3. The Curie temperature was found to increase from 690 K for x=0 to 972 K for x=0.3.",

keywords = "Curie temperature, Lattice constant, Magnetic moment, Saturation magnetization",

author = "Al-Omari, {I. A.} and A. Rais",

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T1 - Structural and magnetic properties of the Fe0.7- xSi0.3Cox alloy system

AU - Al-Omari, I. A.

AU - Rais, A.

PY - 2006/4

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N2 - In this paper we present magnetic and structural studies for the alloy system Fe0.7-xSi0.3Cox, where 0≤x≤0.3. The structural characteristics of the alloys were evaluated using X-ray diffraction and the existence of the single cubic phase was confirmed from the diffraction patterns. The lattice constant was found to depend on the Co concentration with a slight decrease with increasing the concentration, x. The magnetic measurements were performed by using a vibrating sample magnetometer with a maximum field of 13.5 kOe, at temperatures between 77 and 1000 K. The results for all the samples show ferromagnetic behavior up to Curie temperature. The saturation magnetization at low temperatures was found to increase with increasing Co concentration, reaching a maximum at x=0.2 then decreases for x=0.3. The Curie temperature was found to increase from 690 K for x=0 to 972 K for x=0.3.

AB - In this paper we present magnetic and structural studies for the alloy system Fe0.7-xSi0.3Cox, where 0≤x≤0.3. The structural characteristics of the alloys were evaluated using X-ray diffraction and the existence of the single cubic phase was confirmed from the diffraction patterns. The lattice constant was found to depend on the Co concentration with a slight decrease with increasing the concentration, x. The magnetic measurements were performed by using a vibrating sample magnetometer with a maximum field of 13.5 kOe, at temperatures between 77 and 1000 K. The results for all the samples show ferromagnetic behavior up to Curie temperature. The saturation magnetization at low temperatures was found to increase with increasing Co concentration, reaching a maximum at x=0.2 then decreases for x=0.3. The Curie temperature was found to increase from 690 K for x=0 to 972 K for x=0.3.

KW - Curie temperature

KW - Lattice constant

KW - Magnetic moment

KW - Saturation magnetization

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Structural and magnetic properties of the Fe0.7- xSi0.3Cox alloy system

Abstract

Keywords

ASJC Scopus subject areas

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