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The mystery of nano cobalt

2018-12-14
Nanomaterials are defined as materials or structures that have at least one dimension of structural elements within a three-dimensional space within the range of nanometer scale (1-100 nm) or in accordance with certain rules.
 
Cobalt is a kind of amphoteric metal with good ferromagnetism. Its properties in hardness, tensile strength, mechanical processing performance, thermodynamic properties and electrochemical behavior are similar to those of iron and nickel, especially in magnetism.
 
Nano-cobalt classification
Zero vinamethyco material
The zero-dimensional nano-co materials are nano-materials within the range of nanometer at every dimension in the three-dimensional space, and the typical representative is nano-cobalt powder.With the development of nano research, nano cobalt powder is widely used in hard alloys, catalysts, battery industry, special tools and magnetic materials.For example, the strong magnetic nano-sized Co-Fe alloy has the fluidity of liquid and the magnetism of magnetic body, so it can be made into magnetic ticket, magnetic credit card, and also can be used in the fields of rotating seal, lubrication, damping device and even industrial waste water treatment
 
One-dimensional nano Co materials
The so-called one-dimensional nanomaterials, that is, there are two dimensions in the three-dimensional space which belong to the range of nanometer dimensions, and the other dimension is macroscopic scale inch.One-dimensional nano-co materials have nano-cobalt crystal,  nano-cobalt rod and other types.By using microwave dielectric heating method, hexagon compact platelet Co nanocrystals with a diameter of about 20 nm and a length of about 100 nm can be obtained.

Two-dimensional nano-co materials
2D nanomaterials are nanoscale structures in one dimension, and their types include nanometer thin films, nanometer coatings, two-dimensional nanotubes, etc.Cobalt metal and other materials can be made into two-dimensional nanomaterials to prepare coating materials.