Energetic Evolution of Single-Crystalline ZnO Nanowires and Nanotubes

被引：3

作者：

Li Li-Juan ^{[2
]}

Zhao Ming-Wen ^{[1
]}

Ji Yan-Ju ^{[3
]}

Li Feng ^{[4
]}

Liu Xiang-Dong ^{[1
]}

机构：

[1] Shandong Univ, Sch Phys, Jinan 250100, Peoples R China

[2] Shandong Inst Commerce & Technol, Sch Engn, Jinan 250103, Peoples R China

[3] Shandong Jianzhu Univ, Sch Sci, Jinan 250101, Peoples R China

[4] Taishan Univ, Sch Phys & Elect Engn, Tai An 271021, Shandong, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2010年 / 27卷 / 08期

基金：

中国国家自然科学基金;

关键词：

SIMULATION; NANOSTRUCTURES; NANORINGS; STABILITY; GROWTH;

D O I：

10.1088/0256-307X/27/8/086105

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the formation energies of wurtzite zinc oxide (w-ZnO) nanowires (NWs) and nanotubes (NTs) with faceted morphologies, and show that hexagonal NWs (h-NWs) are energetically advantageous over the NWs with rhombic (r-), squared (s-), and triangular (t-) cross sections. The formation energies of h-NWs are proportional to the inverse of wire radius, whereas those of single-crystalline NTs are proportional to the inverse of wall thickness, irrespectively to tube radius. A simple model is presented to interpret these features.

引用

页数：4

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