Fundamentals Of Solid–State Physics

What you'll learn
Unit Cells
Diffraction in crystals
Diffraction Mechanism
Lattice Dynamics
Requirements
Basics Mathematics
Description
Welcome to Fundamentals of Solid State Physics! In this course, we will cover key concepts and theories related to the atomic and microscopic structure of solid materials. Understanding the fundamentals of how atoms arrange themselves into orderly crystals and the interactions between the atomic components of solids is crucial for explaining the physical properties of materials.The course will begin with an examination of unit cells, the basic repeating units of the crystal lattice that determine the symmetry and structure of crystalline solids. We will study the geometry of simple cubic, body-centered cubic, face-centered cubic, and hexagonal close-packed unit cells. A grasp of unit cells lays the groundwork for understanding more complex crystal structures.Next, we will explore the mechanism of x-ray diffraction in crystals. When x-rays interact with the orderly arrangement of atoms in a crystal, a definite diffraction pattern is produced. Analysis of these interference patterns allows us to determine the crystal structure. Diffraction provides an invaluable tool for probing materials at the atomic level.Finally, the course will cover specific heat capacity and how it varies with temperature in crystalline solids. The way that heat is stored in solids depends directly on the quantized vibrations of the crystal lattice called phonons. Specific heat provides deep insights into the quantum nature of solids.Through this survey of fundamentals of crystal structures, diffraction, and specific heat, students will gain an appreciation for how the microscopic atomic world defines the behavior of solids at the macroscopic scale. The knowledge gained serves as a robust platform for advanced studies in solid state physics and materials science.
Overview
Section 1: Introduction
Lecture 1 Lattice Dynamics
Lecture 2 Understanding Simple Crystals and Unit Cells
Lecture 3 Wigner-Seitz Cell, Complex Crystal, Lattice Translation and Defects in Crystals
Lecture 4 Point Symmetries, Classification of Crystal, Binding Energy and Polarization Ve
Lecture 5 Observable and Residual Symmetries
Section 2: Understanding Reciprocal Lattice
Lecture 6 Introduction to Reciprocal Lattice
Lecture 7 Properties of Reciprocal Lattice
Section 3: Diffraction in Crystals
Lecture 8 Diffraction Mechanism Part 1
Lecture 9 Diffraction Mechanism Part 2
Lecture 10 Diffraction Mechanism Part 3
Lecture 11 Diffraction Mechanism Part 4
Section 4: Specific Heat in a crystal
Lecture 12 Dulong-Petit Model of Specific Heat in a Crystal
Lecture 13 Einstein Model of Specific Heat in a Crystal
Lecture 14 Adiabatic Approximation
Beginner in Solid-State Physics

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