Wiley-VCH Verlag, ChemInform, 41(36), 2005
Royal Society of Chemistry, Chemical Communications, 26, p. 3352
DOI: 10.1039/b504289e
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Anew phase has been observed during the sodiumintercalation of hafnium nitride chloride as intermediate between the host β-HfNCl and the already reported Na 0.29 HfNCl with Tc of 24 K; the new intermediate shows interlayer spacings ranging from 9.48 to 9.67 A°, corresponds to a second stage intercalate of HfNCl and is superconducting with a critical temperature of 20 K. ; Beltran Porter, Daniel, Daniel.Beltran@uv.es