Search for perovskite-type new borides in the Sc-TM-B (TM = Ti, V, Cr, Mn, Fe, Co, and Ni) systems

A search for perovskite-type new borides in the Sc-TM-B (TM = Ti, V, Cr, Mn, Fe, Co, and Ni) system has been carried out by the arc-melting synthetic method. As a result, the chemical formula of the compound ScNi3B0.5 was obtained. This compound has the cubic perovskite-type structure (space group:...

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Bibliographic Details
Published in:Journal of alloys and compounds 2004-11, Vol.383 (1-2), p.294-297
Main Authors: Shishido, T., Kudou, K., Sasaki, T., Okada, S., Ye, J., Iizumi, K., Nomura, A., Sugawara, T., Obara, K., Tanaka, M., Kohiki, S., Kawazoe, Y., Nakajima, K., Oku, M.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Diamagnetism, paramagnetism and superparamagnetism
Electric property
Exact sciences and technology
Hardness
Magnetic properties and materials
Magnetic property
Mechanical and acoustical properties of condensed matter
Mechanical properties of solids
Oxidation resistivity
Perovskite-type boride
Physics
Superconductivity
Tribology and hardness
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Summary:A search for perovskite-type new borides in the Sc-TM-B (TM = Ti, V, Cr, Mn, Fe, Co, and Ni) system has been carried out by the arc-melting synthetic method. As a result, the chemical formula of the compound ScNi3B0.5 was obtained. This compound has the cubic perovskite-type structure (space group: Pm3m) with the lattice parameter a = 0.37760(7)nm. ScNi3B0.5 exhibits metallic behavior down to 4.2K. The magnetic susceptibility of ScNi3B0.5 shows Pauli paramagnetism. No superconductivity appears down to the lowest temperature by the electric and magnetic measurements. The micro-Vickers hardness and oxidation resistivity in air are also reported for ScNi3B0.5.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2004.04.060