THE RELATIONSHIP BETWEEN BOND PARAMETERS AND HARDNESS IN CRYSTAL ANB8-N

Chinese Journal of Applied Chemistry ›› 1992, Vol. 0 ›› Issue (2): 69-72.

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THE RELATIONSHIP BETWEEN BOND PARAMETERS AND HARDNESS IN CRYSTAL A^NB^8-N

Gao Faming, Zhang Siyuan

Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received:1990-12-25 Revised:1991-03-23 Published:1992-04-10 Online:1992-04-10

Abstract

Abstract: An empirical correlation between the bond parameters and the hardness of binary crystal A^N B^8-N was derived: Hv=AN·Z/d⁶ exp(-0.6f_i), Hm=0.675 Hv, where Hv-Vikers hardness, Hm-Mohs hardnss,Z-valence,d-bond length (10^-10m), N-coordination number, f_i-Phillips ionicity,A-constant,8467.5.This empirical correlation was used to calculate the hardness of 66 kinds of compounds. The calculated values of 36 kinds of them are in agreement with the experimental values.

Key words: crystal A^NB^8-N, hardness, chemical bond parameters

Gao Faming, Zhang Siyuan. THE RELATIONSHIP BETWEEN BOND PARAMETERS AND HARDNESS IN CRYSTAL A^NB^8-N[J]. Chinese Journal of Applied Chemistry, 1992, 0(2): 69-72.

THE RELATIONSHIP BETWEEN BOND PARAMETERS AND HARDNESS IN CRYSTAL A^NB^8-N

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