(Complete Item Description)
- Abstract:
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This class will study some of the changing ideas within modern physics, ranging from relativity theory and quantum mechanics to solid-state physics, nuclear and elementary particles, and cosmology. These ideas will be situated within shifting institutional, cultural, and political contexts. The overall aim is to understand the changing roles of physics and of physicists over the course of the twentieth century.
- Subject:
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Science and Technology,
Social Sciences
- Grade Level:
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Post-secondary
- Collection:
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MIT OpenCourseWare
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The Fermi-Dirac distribution, also called the "Fermi function," is a fundamental equation expressing the behavior of mobile charges in solid materials. This module explains the Fermi function and the Fermi energy level, and shows how they relate to the density of mobile carriers in solid-state semiconducting materials.
- Subject:
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Science and Technology
- Grade Level:
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Post-secondary
- Collection:
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Connexions
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(Complete Item Description)
- Abstract:
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In the electrical engineering, solid-state materials and the properties play an essential role. A thorough understanding of the physics of metals, insulators and semiconductor materials is essential for designing new electronic devices and circuits. After short introduction of the IC fabrication process, the course starts with the crystallography. This will be followed by the basic principle of the quantum mechanics, the sold-state physics, band-structure and the relation with electrical properties of the solid-state materials. When the material physics has been throughly understood, the physics of the semiconductor device follows quite naturally and can be understood quickly and efficiently. Study Goals: The student can 1) determine the crystal structure, the density of atoms and the Miller indices of a crystal, 2) apply Schrodinger's wave equation to various potential functions and derive a probability of finding electrons, 3) discuss the concept of energy band formation and difference of material properties in terms of the band, 4) derive the concentrations of electron and holes with a given temperature in terms of Fermi energy, and 5) can discuss drift, diffusion and scattering of carriers in a semiconductor under various temperature and impurity concentrations.
- Subject:
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Science and Technology
- Grade Level:
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Post-secondary
- Collection:
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Delft University OpenCourseWare
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