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The Radial Distribution Function of a Tb21Fe79 Amorphous Film

Kazuo Fukuda, Shinya Katayama, Toshikazu KATAYAMA, Akihiko Nukui, Akio Makisima

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Abstract

The inter-atomic distances and the coordination number of a Tb21Fe79 amorphous film were obtained by a X-ray radial distribution function analysis. The nearest-neighbor distances are close to the sum of the metallic radii. The local structure is nearly the same as that of Gd18Co82 in spite of the differences in constitutional elements; also, the Fe-Fe coordination number depends upon the composition. These observations support the binary Dense Random Packing of Hard-Spheres model.

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What this paper is about

The inter-atomic distances and the coordination number of a Tb21Fe79 amorphous film were obtained by a X-ray radial distribution function analysis. The nearest-neighbor distances are close to the sum of the metallic radii. The local structure is nearly the same as that of Gd18Co82 in spite of the differences in constitutional elements; also, the Fe-Fe coordination number depends upon the composition. These observations support the binary Dense Random Packing of Hard-Spheres model.

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Available abstract

The inter-atomic distances and the coordination number of a Tb21Fe79 amorphous film were obtained by a X-ray radial distribution function analysis. The nearest-neighbor distances are close to the sum of the metallic radii. The local structure is nearly the same as that of Gd18Co82 in spite of the differences in constitutional elements; also, the Fe-Fe coordination number depends upon the composition. These observations support the binary Dense Random Packing of Hard-Spheres model.

Key concepts: Coordination number, Amorphous solid, Radial distribution function, k-nearest neighbors algorithm, Binary number, Pair distribution function, Amorphous metal, SPHERES

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