From zeolite nets to sp3 carbon allotropes: a topology-based multiscale theoretical study

被引：45

作者：

Baburin, Igor A. ^{[1
]}

Proserpio, Davide M. ^{[2
,3
]}

Saleev, Vladimir A. ^{[3
]}

Shipilova, Alexandra V. ^{[3
]}

机构：

[1] Tech Univ Dresden, Inst Chem Phys, D-01062 Dresden, Germany

[2] Univ Milan, Dipartimento Chim, I-20133 Milan, Italy

[3] Samara State Univ, SCTMS, Samara 443011, Russia

来源：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2015年 / 17卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

CRYSTAL-STRUCTURE PREDICTION; PHASES;

D O I：

10.1039/c4cp04569f

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We present a comprehensive computational study of sp(3)-carbon allotropes based on the topologies proposed for zeolites. From approximate to 600000 zeolite nets we identified six new allotropes, lying by at most 0.12 eV per atom above diamond. The analysis of cages in the allotropes has revealed close structural relations to diamond and lonsdaleite phases. Besides the energetic and mechanical stability of new allotropes, three of them show band gaps by ca. 1 eV larger than that of diamond, and therefore represent an interesting technological target as hard and transparent materials. A structural relation of new allotropes to continuous random networks is pointed out and possible engineering from diamond thin films and graphene is suggested.

引用

页码：1332 / 1338

页数：7

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