ABSTRACT
Heat transfers are governed by numerous fundamental laws that have been long identified and established. The study of phenomena at the nanometric scale has identified new behaviors. This article firstly reviews the laws that commonly allow for the description of characteristic scales such as conduction, convection and radiation. Phenomena identified during the modeling of heat transfers at the nanometric scale are then presented. A few applications, such as heat-assisted lithography or information storage illustrate these points.
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INTRODUCTION
The fundamental laws governing heat transfer taught to engineers have been known since the nineteenth century. In recent years, the ability to measure phenomena at the submicron scale has revealed new behaviors that do not follow these laws. In this dossier, we present the limits of the laws usually used to describe conduction, convection and radiation, describe the phenomena observed at nanometric scales and present some of the applications.
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Heat transfers at the nanometric scale