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Article Dans Une Revue Solid State Communications Année : 2018

Thermal expansion of boron subnitrides

Résumé

The lattice parameters of two boron subnitrides, B13N2 and B50N2, have been measured as a function of temperature between 298 and 1273 K, and the corresponding thermal expansion coefficients have been determined. Thermal expansion of both boron subnitrides was found to be quasi-linear, and the volume thermal expansion coefficients of B50N2 (15.7(2)×10-6 K-1) and B13N2 (21.3(2)×10-6 K-1) are of the same order of magnitude as those of boron-rich compounds with structure related to α-rhombohedral boron. For both boron subnitrides no temperature-induced phase transitions have been observed in the temperature range under study.
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Dates et versions

hal-02332788 , version 1 (25-10-2019)

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Kirill Cherednichenko, Lara Gigli, Vladimir Solozhenko. Thermal expansion of boron subnitrides. Solid State Communications, 2018, 275, pp.21-24. ⟨10.1016/j.ssc.2018.03.007⟩. ⟨hal-02332788⟩
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