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sic nanoarray

A nano-array, nano-array technology, applied in nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve problems such as restricting the growth direction of products, expensive carbon nanotubes, and self-consumption, etc. Ease of industrial production, efficient distribution density and size, low cost effect

Active Publication Date: 2016-08-24
NINGBO UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, it provides the required carbon source in the reaction and consumes itself; on the other hand, carbon nanotubes provide a nucleation site while limiting the growth direction of the product
However, carbon nanotubes are relatively expensive, so the cost of carbon nanotube template method is very high

Method used

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Effect test

Embodiment 1

[0042] In this embodiment, the SiC nano-array includes a substrate and a nano-array formed on the surface of the substrate,

[0043] The nanoarray is an arrangement of SiC nanowires, wherein the SiC crystal form in the SiC nanowires is C type, H type or R type; the SiC nanowires are needle-like structures with a thick bottom and a thin top (SiC nanowires can also be a linear structure)

[0044] The array density of nanowires in SiC nanoarrays is (5.0-6.0)×10 7 root / cm 2 (Preferably (5.2-5.7)×10 7 root / cm 2 ).

Embodiment 2

[0046] In this embodiment, the SiC nano-array includes a substrate and a nano-array formed on the surface of the substrate. The substrate is a SiC substrate, and the lattice structure of the SiC substrate includes 3C-SiC, 2H-SiC, 4H-SiC, 6H-SiC, 15R- Any of SiC;

[0047] The nanoarray is an arrangement of SiC nanowires, wherein the SiC crystal form in the SiC nanowires is C type, H type or R type; the SiC nanowires are needle-like structures with a thick bottom and a thin top (SiC nanowires can also be a linear structure)

[0048] The array density of nanowires in SiC nanoarrays is (5.0-6.0)×10 7 root / cm 2 .

Embodiment 3

[0050] In this embodiment, the SiC nano-array includes a substrate and a nano-array formed on the surface of the substrate. The substrate is a SiC substrate, and the lattice structure of the SiC substrate includes 3C-SiC, 2H-SiC, 4H-SiC, 6H-SiC, 15R- Any of SiC;

[0051] The nano-array is an arrangement of SiC nanowires, wherein the SiC crystal type in the SiC nanowires is C-type, H-type or R-type; the SiC nanowires have a needle-like structure with a thick bottom and a thin top (SiC nanowires can also be a linear structure), When SiC crystal form in SiC nanowire is C type, SiC is 3C-SiC; when SiC crystal form in SiC nanowire is H type, SiC is any of 2H-SiC, 4H-SiC, 6H-SiC; in SiC nanowire, SiC When the crystal form is R type, SiC is 15R-SiC;

[0052] The array density of nanowires in SiC nanoarrays is (5.0-6.0)×10 7 root / cm 2 .

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Abstract

The invention discloses a SiC nano array comprising a substrate and a nano array arranged on the surface thereof. The nano array is formed by SiC nano wires, wherein the crystal form of SiC in the SiC nano wires can be C type, H type or R type. Array density of the nano wires in the SiC nano array is (5.0-6.0)*10<7> / cm<2>. The SiC nano array is simple in process, is convenient to produce, is stable in product quality and is stable in performance.

Description

technical field [0001] The invention relates to an inorganic semiconductor material, especially a SiC nanometer array. Background technique [0002] Silicon carbide (SiC) is one of the core materials of third-generation semiconductors, and it has many advantages compared with elemental semiconductor materials (Si) and other compound semiconductor materials GaAs, GaP and InP. Silicon carbide not only has a large bandgap width (the bandgap widths of 3C, 4H, and 6H types of silicon carbide at room temperature are 2.23, 3.22, and 2.86eV, respectively), but also has a high critical breakdown electric field, high thermal conductivity, and high load. Drift speed and other characteristics of the carrier have great application prospects in high temperature, high frequency, high power, optoelectronics and radiation resistance. Replacing silicon with silicon carbide to prepare optoelectronic devices and integrated circuits can provide new devices for improving the performance of milit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C30B29/36C30B1/00H01J1/304C01B31/36B82Y30/00
Inventor 王霖陈善亮杨为佑
Owner NINGBO UNIVERSITY OF TECHNOLOGY
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