CONTENTS

Pages

Production, Structure, Properties

Kurio A., Tanaka Y., Sumiya H., Irifune T., Shinmei T., Ohfuji H., Kagi H. Wear resistance of nano-polycrystalline diamond with various hexagonal diamond contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3

Boulfelfel S. E., Zhu Q., Oganov A. R. Novel sp3 forms of carbon predicted by evolutionary metadynamics and analysis of their synthesizability using transition path sampling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12

Wang Y., Lee K. K. M. From soft to superhard: fifty years of experiments on cold-compressed graphite. . . . . . . . . .

25

Zhao Z. S., Zhou X.-F., Hu M., Yu D. L., He J., Wang H.-T., Tian Y. J., Xu B. High-pressure behaviors of carbon nanotubes. . . .

40

He Ch., Sun L. Z., Zhong J. Prediction of superhard carbon allotropes from the segment combination method.

58

Brazhkin V. V., Lyapin A. G. Hard and superhard carbon phases synthesised from fullerites under pressure. . . .

75

Index of papers published in the Sverkhtverdye Materialy Journal in 2012. . . . . . . . .

106