Mechanical properties and thermal stability of ultrathin tungsten nanowires

The most stable structures of three ultrathin tungsten nanowires were predicted by the simulated annealing basin-hopping method (SABH) with the penalty algorithm. The predicted structures of tungsten nanowires indicate the tungsten nanowires at this small scale do not possess the B.C.C. configuratio...

Full description

Saved in:
Bibliographic Details
Published inRSC advances Vol. 4; no. 14; pp. 6985 - 6990
Main Authors Lin, Ken-Huang, Li, Jia-Yun, Lin, Jenn-Sen, Ju, Shin-Pon, Lu, Jian-Ming, Hsieh, Jin-Yuan
Format Journal Article
LanguageEnglish
Published 2014
Subjects
Mechanical properties
Online AccessGet full text

Cover

More Information
Summary:The most stable structures of three ultrathin tungsten nanowires were predicted by the simulated annealing basin-hopping method (SABH) with the penalty algorithm. The predicted structures of tungsten nanowires indicate the tungsten nanowires at this small scale do not possess the B.C.C. configuration in bulk tungsten material. By molecular dynamics (MD) simulation, the mechanical properties including the Young's modulus, yielding stress, and strength of these wires were determined by the tensile test after the analysis of the stress-strain profiles. Besides, in order to understand the feasibility of application of tungsten nanowire on nanodevices, the thermal stability of these ultrathin tungsten nanowires was also investigated at room temperature (300 K) by molecular dynamics (MD).
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:2046-2069
2046-2069
DOI:10.1039/c3ra46215c