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- Title
Atomic-vacancy ordering and magnetic susceptibility of nonstoichiometric hafnium carbide.
- Authors
Gusev, A. I.; Zyryanova, A. N.
- Abstract
Experimental data on the magnetic susceptibility of nonstoichiometric hafnium carbide HfC[sub y](0.6<y<1.0) are presented. Anomalies are found in the temperature dependences of the magnetic susceptibility of the carbides HfC[sub 0.71],HfC[sub 0.78], and HfC[sub 0.83] in the temperature range 870–930 K. These anomalies are due to the formation of a superstructural short-range order in their nonmetallic sublattice. It is shown that the short-range order in the carbides HfC[sub 0.71] and HfC[sub 0.78] corresponds to the ordered phase Hf[sub 3]C[sub 2], while in the carbide HfC[sub 0.83] it corresponds to the ordered phase Hf[sub 6]C[sub 5]. It is found that the magnetic susceptibility of the carbide HfC[sub 0.78] in the temperature interval 910–980 K is zero. © 1999 American Institute of Physics.
- Subjects
MAGNETISM; HAFNIUM compounds; CARBIDES
- Publication
JETP Letters, 1999, Vol 69, Issue 4, p324
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.568031