Product List
ELECTRON GRADE ZINC OXIDE

NANO-ZINC OXIDE FOR MAGNETIC MATERIALS

Magnetic materials is the development of electronic information industry base, the characteristics of nano-magnetic materials is different from conventional magnetic materials, the reason is associated with the magnetic characteristics of the relevant physics at the nanometer length scale exactly. Such as magnetic single domain size, super-paramagnetic critical size, the length of exchange and electronic mean free distance, etc. are in general order of 1-100nm, when the magnetic body size with the physical characteristics of a considerable length of time, there will be a magnetic anomaly nature.
       Nano-materials for soft magnetic material has very excellent properties, such as high permeability, low loss, high saturation magnetization and so on, has been applied to switching power supplies, transformers, sensors, etc., can realize the miniaturization of devices, light, and as well as high-frequency multi-function, and developed rapidly in recent years.
       Such as the widely used industry MnZn ferrite is a kind of soft magnetic materials, magnetic properties are very good. The manufacturing process of the magnetic materials are complex, the need to under 1300 ℃ sintering, if the nano-Zinc oxide as raw materials, not only can simplify the manufacturing process, but also can enhance the uniformity and the permeability to reduce the products in the firing the course of the breakdown of the losses, lower sintering temperature, so that significantly improve the quality of products.
Item 
Quality
NKS143
NKS144
NKS145
ZnO/% ≥
99
97
95
XRD /nm   ≤
20
52
100
Grain size （um）
20
57
100
Surface proportion (㎡/g)≥
62
65
75
Join index≤
50
60
100
Lead oxide( Pb )/%≤
0.0005
0.0005
0.0005
Manganese Oxide /% ≤
0.0001
0.0001
0.0001
Cupric oxide(Cu)/%≤
0.0001
0.0001
0.0001
Cd/%≤
0.0002
-
-
Hg/%≤
0.0001
-
-
As/%≤
0.0001
-
-
color
Yellowish
Yellowish
white