Synthesis and crystal structure of a new alkaline earth nickel phosphide phase: BaNi9P5
1990; Elsevier BV; Volume: 87; Issue: 1 Linguagem: Inglês
10.1016/0022-4596(90)90058-6
ISSN1095-726X
AutoresJohn V. Badding, Angelica M. Stacy,
Tópico(s)Iron-based superconductors research
ResumoA new barium nickel phosphide BaNi{sub 9}P{sub 5} was synthesized in a tin flux. Single crystal x-ray methods revealed that the material has hexagonal Laue symmetry with unit cell dimensions a = 6.5359(9){angstrom} and c = 10.854(3) {angstrom}. The structure was refined in the space group P6{sub 3}/mmc to an R value of 2.3%. The structure is best described as hexagonal layers of Ba atoms with each Ba atom surrounded by Ni{sub 18}P{sub 12} cages. The crystals have a silvery luster, and grow in an equidimensional, faceted habit. Magnetic measurements show temperature-independent Pauli paramagnetism, suggesting that BaNi{sub 9}P{sub 5} is a metal.
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