Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 39: Problem 2919

The emission of electrons from the host atoms due to the high electric field is known as (A) avalanche field emission (B) Breakdown field emission (C) zener field emission (D) internal field emission

Short Answer

Expert verified
The correct term for the phenomenon of emitting electrons from host atoms due to a high electric field is (B) Breakdown Field Emission. It leads to a rapid breakdown of the material's insulating properties and increased electrical conductivity.

Step by step solution

01

Understanding Avalanche Field Emission

Avalanche field emission occurs when there is a high electric field in a material that causes free electrons to gain enough energy to produce more free electrons through collisions with host atoms. This creates an exponential increase or "avalanche" in the number of free electrons, leading to a sudden and often catastrophic breakdown of the insulating properties of the material.
02

Understanding Breakdown Field Emission

Breakdown field emission refers to the phenomenon where the electric field in a material becomes sufficiently high to cause a rapid breakdown of the insulating properties of the material, leading to the release of electrons from host atoms and a sudden increase in electrical conductivity.
03

Understanding Zener Field Emission

Zener field emission, also known as Zener breakdown, is a process that can occur in semiconductors under the influence of a high electric field. Similar to avalanche field emission, electrons are accelerated through collisions with host atoms, resulting in the generation of more free electrons. However, in Zener breakdown, the energy gained by the electrons comes from the strong electric field, rather than from thermal energy.
04

Understanding Internal Field Emission

Internal field emission, or internal photoemission, is the process by which electrons overcome the energy barriers existing between different materials or layers of a device, such as a metal-semiconductor or insulator-semiconductor interface, due to the presence of electric fields.
05

Identifying the Correct Term

From the provided options, it is clear that the correct term for the emission of electrons from the host atoms due to the high electric field is (B) Breakdown Field Emission. This process causes a rapid breakdown of the insulating properties of the material, leading to the release of electrons from host atoms and increased electrical conductivity.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

To get a constant dc voltage from the dc unregulated output of a rectifier. We use (A) Oscillator (B) amplifier (C) zener diode (D) pacifier

For the same density of impurity atoms, Zener voltage is (A) same for both Ge and Si (B) higher for Ge than for \(\mathrm{Si}\) (C) higher for silicon than for germanium (D) none of the above

The zener voltage of a zener diode is kept at a desired value by (A) adjustment the input voltage (B) adjustment the input current (C) by connecting an appropriate resistance in series (D) changing the level of doping

When p-n junction is reverse biased (A) no current flows (B) majority carriers move towards the junction (C) minority carriers move towards the junction (D) both majority and minority carriers move away from the junction

Avalanche breakdown in a semiconductor diode happens when (A) forward bias exceeds a certain value (B) forward current exceeds a certain value (C) reverse bias exceed a certain value (D) the potential barrier is reduced to zero
See all solutions

Recommended explanations on English Textbooks

English Language Study

Read Explanation

Language and Social Groups

Read Explanation

Rhetoric

Read Explanation

Text Comparison

Read Explanation

Summary Text

Read Explanation

Multiple Choice Questions

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free