Controllable growth of metallic nano-helices at room temperature conditions

被引：23
作者：
Caridad, Jose M. [1 ,2 ]
McCloskey, David [1 ,2 ]
Donegan, John F. [1 ,2 ]
Krstic, Vojislav [1 ,2 ,3 ]
机构：
[1] Univ Dublin Trinity Coll, Sch Phys, CRANN, Coll Green, Dublin 2, Ireland
[2] Univ Dublin Trinity Coll, AMBER, Coll Green, Dublin 2, Ireland
[3] Univ Erlangen Nurnberg, Chair Appl Phys, Dept Phys, D-91058 Erlangen, Germany
来源：
APPLIED PHYSICS LETTERS | 2014年 / 105卷 / 23期
基金：
爱尔兰科学基金会;
关键词：
GLANCING ANGLE DEPOSITION; SCULPTURED THIN-FILMS; PLASMONIC NANOSTRUCTURES;
D O I：
10.1063/1.4904091
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on a method to produce multiple-pitch, regularly shaped, aligned, and freestanding metallic nano-helices at room temperature. This method overcomes the limitations of the standard glancing angle deposition approach through a heat-management technique devoid of active substrate cooling and is even applicable for metals with low melting point, that is, high surface adatom diffusion. The structural quality and optical activity response of these metal nano-helices are comparable to state of the art helices produced by employing substrates cooled down to cryogenic temperatures. (C) 2014 AIP Publishing LLC.
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页数：4
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