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Article Dans Une Revue Journal of Alloys and Compounds Année : 2008

A new ternary nitride La2GaN3: Synthesis and crystal structure

Résumé

The ternary nitride La2GaN3 was synthesized from the elements and an excess of sodium and gallium at 900°C in a sealed niobium tube. La2GaN3 is yellow colored and crystallizes with the Ba2ZnO3 structure [monoclinic space group C2/c (No.15), a = 5.6709(5) Å, b = 10.945(1) Å, c = 11.986(1) Å, β = 93.591(5)°, V = 742.54(12) Å3, Z = 8] and is isostructural with the A2IIMVN3 nitrides, Sr(Ba)2TaN3, Sr(Ba)2NbN3, Ca(Sr)2VN3. The structure contains infinite chains of GaN4 tetrahedral anions, [GaN2N2/2]6-.

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Matériaux
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Dates et versions

hal-00864760 , version 1 (18-09-2015)

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François Cheviré, Francis J. Disalvo. A new ternary nitride La2GaN3: Synthesis and crystal structure. Journal of Alloys and Compounds, 2008, 457 (1-2), pp.372-375. ⟨10.1016/j.jallcom.2007.02.110⟩. ⟨hal-00864760⟩
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