Terbium sputtering targets are made of Terbium metal, and it is used in many fields such as tool coatings, optical coatings, and solar coatings. Let’s take a closer look at the properties, production, and applications of these targets.
Terbium sputtering targets have similar properties to terbium metal.
Table 1 Terbium Sputtering Targets Specifications
|Color/Appearance||Silvery White, Metallic|
|Melting Point (°C)||1356|
|Boiling Point (°C)||2800|
|Coefficient of Thermal Expansion||10.3 x 10-6/K|
|Available Sizes||Dia.: 1.0″, 2.0″, 3.0″, 4.0″ Thick: 0.125″, 0.250″|
Terbium is fairly abundant in the earth’s crust, but it does not occur naturally as a free element. Terbium is mined from minerals such as calcite, gadolinite, monazite, and euxenite. We need to separate metals from their rare earth relatives.
Ion exchange and valence change are two techniques commonly used to obtain pure lanthanides. The former method is preferred for terbium. Then you can get a terbium sputtering target using the easy methods:
The casting process can be divided into three steps: melting, casting, and machining.
Figure 2 shows the manufacturing process of titanium sputtering targets.
Powder metallurgy is an option when casting does not achieve the expected target dimensions.
Figure 3 shows the general process of powder metallurgy.
Terbium sputtering materials are used for decoration, functional coatings, flat panel displays, and so on.
In short, terbium sputtering target made through casting and powder metallurgy is commonly available for the coatings industry. We hope that this article has given you a better understanding of terbium sputtering targets.
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