• Hassan RazaEmail author
Part of the NanoScience and Technology book series (NANO)


In this chapter, we discuss device fabrication at the nanoscale. There are two approaches to nanofabrication, namely the conventional top down approach and the more novel bottom up approach. It is the bottom up approach that is most fascinating due to its emphasis on the use of atoms and molecules as the building blocks during the synthesis and fabrication, whereas in the top down approach, one follows the conventional approach of device scaling. We discuss both approaches with their pros and cons in this chapter.

Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Centre for Fundamental ResearchIslamabadPakistan

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