CONTENTS

Pages

Production, Structure, Properties

Oganov A. R., Lyakhov A. O. Towards the theory of hardness of materials.

3

Gao F. , Gao L. H. Microscopic models of hardness. . . . . .

9

Mukhanov V. A., Kurakevych O. O., Solozhenko V. L. Thermodynamic model of hardness: Particular case of boron-rich solids. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

33

Tse J. S.Intrinsic hardness of crystalline solids

46

Li Q., Wang H., Ma Y. M. Predicting new superhard phases. . . . .

66

Shirai K.Electronic structures and mechanical properties of boron and boron-rich crystals (Part I)

82