Research method of controlling draw ratio of Ag2Ga nano-needle based on phase field model

A nanoneedle and aspect ratio technology, applied in the field of nanomaterials research, can solve problems such as computational difficulties that cannot be overcome

Active Publication Date: 2016-10-26
嘉兴华吉环保科技有限公司
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Problems solved by technology

This method needs to explicitly track the position of the interface. In a one-dimensional system, this method is feasible, but it becomes impractical when

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  • Research method of controlling draw ratio of Ag2Ga nano-needle based on phase field model
  • Research method of controlling draw ratio of Ag2Ga nano-needle based on phase field model
  • Research method of controlling draw ratio of Ag2Ga nano-needle based on phase field model

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Embodiment Construction

[0051] The present invention will be described in further detail below in conjunction with the accompanying drawings. These figures are all simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, so only the structures related to the present invention are shown.

[0052] This embodiment controls Ag based on the phase field model 2 The research method of Ga nanoneedle aspect ratio is carried out according to the following steps:

[0053] Build Ag 2 3D Computational Model of Ga Nanoneedles

[0054] like figure 1 As shown, multiple energetics and multiple mechanics are included in the three-dimensional computational model of Ag and Ga particles.

[0055] The three-dimensional computational model of Ag and Ga particles contains four constituent phases, such as figure 2 As shown, define Ag particles as c 1 (x,y,z,t),Ag 2 Ga nanoneedles are c 2 (x,y,z,t), Ga particle is c 3 (x,y,z,t), the air phase is not consi...

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Abstract

The invention discloses a research method of controlling draw ratio of an Ag2Ga nano-needle based on a phase field model. The method comprises following steps: firstly, constructing a three-dimensional calculation model of the Ag2Ga nano-needle; secondly, changing an experiment reaction condition and simulation time to shed light upon the changing rule of the draw ratio of the Ag2Ga nano-needle; diffusion between Ag particles and liquid Ga particles occurs at indoor temperature to generate Ag2Ga particles and form the Ag2Ga nano-needle by applying force to one end and pulling out; during the process, the condition of experiment reaction and simulation time are key factors in influencing the draw ratio of the Ag2Ga nano-needle; carrying out following operations: first operation: exploring influence of different particle concentrations on changes of draw ratio of the Ag2Ga nano-needle; second operation: exploring influence of different simulation time on changes of draw ratio of the Ag2Ga nano-needle; third operation: exploring influence of different pulling speed on changes of draw ratio of the Ag2Ga nano-needle.

Description

technical field [0001] The invention belongs to the technical field of nanomaterial research, in particular to a method for controlling Ag based on a phase field model 2 A study method of Ga nanoneedle aspect ratio. Background technique [0002] As one-dimensional nanomaterials, nanoneedles have unique mechanical properties, thermal stability, electron transport and photon transport, optical properties, photoconductivity and field emission effects. Therefore, they have great application prospects. For example, the application of nanoneedles in force and mass sensors and in nanolithography. Another example is that nano-needles also have great application prospects in medicine, such as nano-needles play a role in medical cosmetology, using puncture function to inject drugs into cells, etc. In the past ten years, a large number of researches on the preparation of nanoneedles have been reported at home and abroad. However, these reports use some traditional nanoneedle prepara...

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Application Information

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IPC IPC(8): G06F19/00G06F17/50G06T17/00
CPCG06T17/00G16C20/10G06F30/20
Inventor 张俐楠郑伟陈超吴立群王洪成
Owner 嘉兴华吉环保科技有限公司
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