A new ternary nitride La<sub>2</sub>GaN<sub>3</sub>: Synthesis and crystal structure

Chevire, Francois; DiSalvo, Francis J.

doi:10.1016/j.jallcom.2007.02.110

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A new ternary nitride La₂GaN₃: Synthesis and crystal structure

Chevire, Francois; DiSalvo, Francis J.2008

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AbstractAbstract

[en] The ternary nitride La₂GaN₃ was synthesized at 900 deg. C from the elements with an excess of sodium and gallium 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) A, b = 10.945(1) A, c 11.986(1) A, β = 93.591(5)^o, V = 742.54(12) A³, Z = 8] and is isostructural with the A₂^IIM^VN₃ nitrides, Sr(Ba)₂TaN₃, Sr(Ba)₂NbN₃, Ca(Sr)₂VN₃. The structure contains infinite chains of GaN₄ tetrahedral anions, ¹_∞[GaN₂N_2/2]^6-

Primary Subject

MATERIALS SCIENCE (S36)

Source

S0925-8388(07)00542-7; Available from http://dx.doi.org/10.1016/j.jallcom.2007.02.110; Copyright (c) 2007 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA)

Record Type

Journal Article

Journal

Journal of Alloys and Compounds; ISSN 0925-8388;

; CODEN JALCEU; v. 457(1-2); p. 372-375

Country of publication

Netherlands

Descriptors (DEI)

CRYSTAL GROWTH, GALLIUM NITRIDES, LANTHANUM NITRIDES, MONOCLINIC LATTICES, NIOBIUM, SPACE GROUPS, SYNTHESIS, TEMPERATURE RANGE 1000-4000 K, X-RAY DIFFRACTION

Descriptors (DEC)

COHERENT SCATTERING, CRYSTAL LATTICES, CRYSTAL STRUCTURE, DIFFRACTION, ELEMENTS, GALLIUM COMPOUNDS, LANTHANUM COMPOUNDS, METALS, NITRIDES, NITROGEN COMPOUNDS, PNICTIDES, RARE EARTH COMPOUNDS, REFRACTORY METALS, SCATTERING, SYMMETRY GROUPS, TEMPERATURE RANGE, TRANSITION ELEMENTS

LanguageLanguage

English

Reference NumberReference Number

40011784

INIS VolumeINIS Volume

INIS IssueINIS Issue

External URLExternal URL

http://dx.doi.org/10.1016/j.jallcom.2007.02.110

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