This Special issue was edited by Prof. Artem R. Oganov

ЗМІСТ

Титульная страница и содержание

Дуб С.Н., Бражкин В.В., Белоус В.А., Толмачева Г.Н., Коневский П.В.
Cравнительное наноиндентирование монокристаллов твердых и сверхтвердых оксидов

Al-Khatatbeh Y., Lee K.K.M.
From superhard to hard: a review of transition metal dioxides TiO₂, ZrO₂, and HfO₂ hardness

Zhu Q., Feya O.D., Boulfelfel S.E., Oganov A.R.
Metastable host–guest structure of carbon

Hu M., He J., Wang Q., Huang Q., Yu D., Tian Y., Xu B.
Covalent-bonded graphyne polymers with high hardness

Kurakevych O.O., Solozhenko V.L.
Thermoelastic equation of state of boron suboxide B₆O up to 6 GPa and 2700 K: simplified anderson-grüneisen model and thermodynamic consistency

Wang S., Yu X., Zhang J., Zhang Y., Wang L., Leinenweber K., Xu H., Popov D., Park Ch., Yang W., He D., Zhao Y.
Crystal structures, elastic properties, and hardness of high-pressure synthesized CrB₂ and CrB₄

Zhao Z.L., Bao K., Duan D.F., Jin X.L., Tian F.B., Li D., Liu B.B., Cui T.
Ideal stoichiometric technetium nitrides under pressure: a first-principles study