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Influence of Non-Magnetic Substitution Atoms on Curie Temperature and Spontaneous Magnetisation of Ce_2Co_(17) Compounds

Hu She

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Abstract

Ce 2Co 17- x M x (M=Ga, Al and Si) compounds were prepared by arc melting. The influence of non magnetic substitution atoms, such as Ga, Al and Si, on Curie temperature and spontaneous magnetisation of these compounds were studied by means of X ray diffraction and magnetic measurements. The experimental results reveal that Si has a minimal solid solubility in Ce 2Co 17 , and makes a strongest reduce of Curie temperature and spontaneous magnetisation comparing with Ga and Si.

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Ce 2Co 17- x M x (M=Ga, Al and Si) compounds were prepared by arc melting. The influence of non magnetic substitution atoms, such as Ga, Al and Si, on Curie temperature and spontaneous magnetisation of these compounds were studied by means of X ray diffraction and magnetic measurements. The experimental results reveal that Si has a minimal solid solubility in Ce 2Co 17 , and makes a strongest reduce of Curie temperature and spontaneous magnetisation comparing with Ga and Si.

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Available abstract

Ce 2Co 17- x M x (M=Ga, Al and Si) compounds were prepared by arc melting. The influence of non magnetic substitution atoms, such as Ga, Al and Si, on Curie temperature and spontaneous magnetisation of these compounds were studied by means of X ray diffraction and magnetic measurements. The experimental results reveal that Si has a minimal solid solubility in Ce 2Co 17 , and makes a strongest reduce of Curie temperature and spontaneous magnetisation comparing with Ga and Si.

Key concepts: Curie temperature, Magnetization, Materials science, Arc melting, Curie, Spontaneous magnetization, Solid solubility, Diffraction

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