Pressure-Induced Transformation of Graphite and Diamond to Onions

被引：26

作者：

Blank, Vladimir D. ^{[1
,2
,3
]}

Churkin, Valentin D. ^{[1
,3
]}

Kulnitskiy, Boris A. ^{[1
,3
]}

Perezhogin, Igor A. ^{[1
,3
,4
]}

Kirichenko, Alexey N. ^{[1
]}

Erohin, Sergey V. ^{[1
,3
]}

Sorokin, Pavel B. ^{[1
,2
,5
]}

Popov, Mikhail Yu ^{[1
,2
,3
]}

机构：

[1] Technol Inst Superhard & Novel Carbon Mat, Centralnaya Str 7a, Troitsk 108840, Russia

[2] Natl Univ Sci & Technol MISiS, Dept Mat Sci Semicond & Dielect, Leninskiy Prospekt 4, Moscow 119049, Russia

[3] Moscow Inst Phys & Technol, Dept Mol & Chem Phys, Inst Skiy Per 9, Dolgoprudnyi 141700, Moscow Region, Russia

[4] Moscow MV Lomonosov State Univ, Ctr Int Laser, Leninskie Gory 1, Moscow 119991, Russia

[5] Natl Univ Sci & Technol MISiS, Inorgan Nanomat Lab, Leninskiy Prospekt 4, Moscow 119049, Russia

来源：

CRYSTALS | 2018年 / 8卷 / 02期

关键词：

onions; carbon; high pressure; CARBON ONIONS; TRANSITION; NANOTUBES;

D O I：

10.3390/cryst8020068

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In this study, we present a number of experiments on the transformation of graphite, diamond, and multiwalled carbon nanotubes under high pressure conditions. The analysis of our results testifies to the instability of diamond in the 55-115 GPa pressure range, at which onion-like structures are formed. The formation of interlayer sp(3)-bonds in carbon nanostructures with a decrease in their volume has been studied theoretically. It has been found that depending on the structure, the bonds between the layers can be preserved or broken during unloading.

引用

页数：8

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