The Peierls-Nabarro barrier is defined as the stress required to enable a dislocation to glide through a perfect crystal lattice. This concept is crucial in materials science, particularly in understanding dislocation behavior in crystalline materials. For a comprehensive introduction, "Introduction to Dislocations" by Hull and Bacon is recommended as a foundational text that elucidates this topic effectively.
PREREQUISITESMaterials scientists, mechanical engineers, and students studying crystallography and dislocation theory will benefit from this discussion.