Oxides in semiconductor technology.

In summary, the difference between a "good" and a "bad" oxide depends on the application and the material, as well as whether it is a native or deliberately deposited oxide. A "bad" oxide can be harmful to the efficiency or lifetime of a device, while a "good" oxide can provide beneficial effects such as protection from contamination or acting as a dielectric. However, the evaluation of an oxide as "good" or "bad" can also depend on its specific use, such as alumina, which is technically an aluminum oxide and is considered one of the most useful substances. It is important to consider the purpose and function of an oxide in determining its quality.
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izzor
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What is the difference between a "good" and a "bad" oxide?
 
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izzor said:
What is the difference between a "good" and a "bad" oxide?
It depends on the application and the material and whether you mean the native oxide or deliberately depositied oxides. A 'bad' oxide would be something harmful to the efficiency or lifetime etc. of the device. A good oxide would provide some beneficial effect, such as protecting the device from atmospheric contamination or acting as a dielectric,
 
  • #3
izzor said:
What is the difference between a "good" and a "bad" oxide?

This is rather vague without proper context. You also shouldn't be lazy in writing a bit more than just this terse sentence.

Take a look at an "aluminum oxide". Do you think it is bad? What if I say that Al2O3 (also called alumina, which is technically an aluminum oxide) is one of the most useful substance around. Or what about a metal oxide layer that is used as an insulating barrier, especially in tunnel junctions?

But an oxide can also corrode, reduced conduction and electrical contacts, etc...

In other words, pay attention to what you want to do and what things are being used for.

Zz.
 
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FAQ: Oxides in semiconductor technology.

What are oxides in semiconductor technology?

Oxides in semiconductor technology refer to the use of oxide materials, such as silicon dioxide, in the manufacturing of semiconductors. These oxides act as insulators and are used to create a barrier between different layers of a semiconductor device.

What is the role of oxides in semiconductor devices?

Oxides play a crucial role in semiconductor devices by providing insulation and allowing for the creation of different layers within the device. They also help to prevent the diffusion of impurities and enhance the performance of the device.

How are oxides applied in semiconductor technology?

Oxides are typically applied in semiconductor technology through a process called thermal oxidation. This involves heating the semiconductor material in the presence of oxygen, which causes the formation of a thin layer of oxide on the surface.

What are the advantages of using oxides in semiconductor technology?

There are several advantages to using oxides in semiconductor technology. These include their ability to act as insulators, their compatibility with other semiconductor materials, and their ability to improve the performance and reliability of semiconductor devices.

Are there any limitations to the use of oxides in semiconductor technology?

While oxides offer many benefits in semiconductor technology, they also have some limitations. One limitation is their tendency to trap charges, which can affect the performance of the device. Additionally, the thickness and uniformity of the oxide layer can be difficult to control, leading to variations in device performance.

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