Pressure-induced transformation and superhard phase in fullerenes: The effect of solvent intercalation

被引：29

作者：

Yao, Mingguang ^{[1
]}

Cui, Wen ^{[1
]}

Xiao, Junping ^{[1
]}

Chen, Shuanglong ^{[1
]}

Cui, Jinxing ^{[1
]}

Liu, Ran ^{[1
]}

Cui, Tian ^{[1
]}

Zou, Bo ^{[1
]}

Liu, Bingbing ^{[1
]}

Sundqvist, Bertil ^{[2
]}

机构：

[1] Jilin Univ, State Key Lab Superhard Mat, Changchun 130012, Peoples R China

[2] Umea Univ, Dept Phys, S-90187 Umea, Sweden

来源：

APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 07期

基金：

瑞典研究理事会;

关键词：

GROWTH-MECHANISM; C-60; CARBON; GRAPHITE;

D O I：

10.1063/1.4818909

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We studied the behavior of solvated and desolvated C-60 crystals under pressure by in situ Raman spectroscopy. The pressure-induced bonding change and structural transformation of C60s are similar in the two samples, both undergoing deformation and amorphization. Nevertheless, the high pressure phases of solvated C-60 can indent diamond anvils while that of desolvated C(60)s cannot. Further experiments suggest that the solvents in the solvated C-60 act as both spacers and bridges by forming covalent bonds with neighbors in 3D network at high pressure, and thus, a fraction of fullerenes may preserve the periodic arrangement in spite of their amorphization. (C) 2013 AIP Publishing LLC.

引用

页数：4

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