Melting of Finite-Sized Systems

Authored by: Dilip Govind Kanhere , Sajeev Chacko

1 Handbook of Nanophysics

Print publication date:  September  2010
Online publication date:  September  2010

Print ISBN: 9781420075403
eBook ISBN: 9781420075410
Adobe ISBN:

10.1201/9781420075410-22

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Abstract

The world we live in consists of objects that are “macroscopic,” i.e., objects having large sizes. Typically, we talk about length scales in centimeters, meters, and even larger. The world at the other end of the length scale, i.e., the microscopic world, can be very fascinating. In fact, it is well known that the properties of objects such as surfaces, thin films, wires etc., having reduced dimensionality, can be very diff erent as compared to those of the familiar three-dimensional extended solids. The reduced dimensionality of such systems can be two, one, or even zero. By zero-dimension, we mean finite-sized systems that are restricted in all the three dimensions to a few tens of nanometers. Atomic clusters and quantum dots are well-known examples of zero-dimensional systems. Materials having sizes larger than this, i.e., with length scales of up to few hundreds of nanometers, are termed as nanomaterials.

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