High-k dielectric | Wikipedia audio article
Channel: wikipedia tts
Date: 28/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/High-%CE%BA_dielectric


00:00:34 1 Need for high-κ materials
00:01:15 1.1 First principles
00:02:22 1.2 Gate capacitance impact on drive current
00:04:07 2 Materials and considerations
00:05:19 3 Use in industry
00:06:50 4 See also



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SUMMARY
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The term high-κ dielectric refers to a material with a high dielectric constant κ (as compared to silicon dioxide).  High-κ dielectrics are used in semiconductor manufacturing processes where they are usually used to replace a silicon dioxide gate dielectric or another dielectric layer of a device.  The implementation of high-κ gate dielectrics is one of several strategies developed to allow further miniaturization of microelectronic components, colloquially referred to as extending Moore's Law.
Sometimes these materials are called "high-k" instead of "high-κ" (high kappa).