Glancing angle deposition of Fe triangular nanoprisms consisting of vertically-layered nanoplates

Jianghao LI, Liangliang LI*, Lingwei MA, Zhengjun ZHANG

*Corresponding author for this work

Research output: Journal PublicationsJournal Article (refereed)peer-review

2 Citations (Scopus)

Abstract

Fe triangular nanoprisms consisting of vertically-layered nanoplates were synthesized on Si substrate by glancing angle deposition (GLAD) with an electron beam evaporation system. It was found that Fe nanoplates with a crystallographic plane index of BCC (110) were stacked vertically to form triangular nanoprisms and the axial direction of the nanoprisms, BCC 〈001〉, was normal to the substrate. The effects of experimental parameters of GLAD on the growth and morphology of Fe nanoprisms were systematically studied. The deposition rate played an important role in the morphology of Fe nanoprisms at the same length, the deposition angle just affected the areal density of nanoprisms, and the rotation speed of substrate had little influence within the parameter range we investigated. In addition, the crystal growth mechanism of Fe nanoprisms was explained with kinetically-controlled growth mechanism and zone model theory. The driving force of crystal growth was critical to the morphology and microstructure of Fe nanoprisms deposited by GLAD. Our work introduced an oriented crystal structure into the nanomaterials deposited by GLAD, which provided a new approach to manipulate the properties and functions of nanomaterials.
Original languageEnglish
Pages (from-to)113-119
Number of pages7
JournalJournal of Crystal Growth
Volume451
Early online date19 Jul 2016
DOIs
Publication statusPublished - 1 Oct 2016
Externally publishedYes

Funding

The authors are very grateful to the financial support by the National Basic Research Program of China (973 program, Grant no. 2013CB934301 ), the Beijing Natural Science Foundation (Grant no. 2132022 ), the National Natural Science Foundation of China (Grant nos. 51531006 and 51572148 ), the Research Project of Chinese Ministry of Education (Grant no. 113007A ), and the Tsinghua University Initiative Scientific Research Program.

Keywords

  • A1. Growth Models
  • A1. Nanostructures
  • A3. Physical vapor deposition process
  • B1. Nanomaterials

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