International
Tables for
Crystallography
Volume D
Physical Properties of Crystals
Edited by A. Authier

International Tables for Crystallography (2013). Vol. D, ch. 1.8, p. 223

Section 1.8.1. Introduction

G. D. Mahana*

aDepartment of Physics, 104 Davey Laboratory, Pennsylvania State University, University Park, Pennsylvania, USA
Correspondence e-mail: gmahan@psu.edu

1.8.1. Introduction

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The flow of either electricity or heat is regarded as `transport'. These flows are an extremely important characteristic of crystals. Some materials conduct heat or electricity well, while others conduct them poorly. Such properties are important for the use of materials in manufactured products, as some applications require good conductors, while others require poor conductors.

In this chapter, we review the transport properties of crystals. The primary concern is the flow of either electricity or of heat. The topic is restricted to steady-state flows and we do not treat a.c. currents. We also limit our discussion to linear response, which is defined precisely below. In general, it means that the flows of electricity and heat are small.








































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