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Introduction to Nanowires

This chapter describes nanowires (NWs), their types, characteristic features, and their use in sensor and transistor applications as well. Introductory part in general explains briefly about nanowires (NWs), their characteristics features, types, as well as their most significant properties. The types of nanowires (NWs) can be of conducting materials such as Ni, Pt, Au; semiconducting materials like Si, InP, GaN; as well as insulating materials like that of SiO2, TiO2, etc. The property of nanowires includes mechanical, electrical, chemical, optical, and thermal properties. Also, a small description of nanowires (NWs) and sensors are explained with their performance parameters. Furthermore, nanowires (NWs)-based transistors are discussed in addition with their characteristics and applications. Finally, this chapter concludes with the significance of nanowires (NWs) in contemporary era.