Journal
CHINESE PHYSICS LETTERS
Volume 25, Issue 5, Pages 1898-1901Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0256-307X/25/5/103
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Zirconium nitride powders with rock salt structure (gamma-ZrNx) are prepared by mechanical milling of a mixture of Zirconium and hexagonal boron nitride (h-BN) powders. The products are analysed by x-ray diffraction (XRD), scanning electron microscopy (SEM), and Raman spectroscopy (RS). The formation mechanism of gamma-ZrNx by ball milling technique is investigated in detail. N atoms diffuse from amorphous BN (alpha-BN) into Zr to form Zr(N) solid solution alloy, then the Zr(N) solid solution alloy decomposes into gamma-ZrNx. No ZrB2 is observed in the as-milled samples or the samples annealed at 105 degrees C for 2 h.
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