"This book begins by discussing low-power micro and nano-electronic devices, optimizing power in circuits and systems. It then focuses on advanced nano devices such as tunnel field-effect transistors, negative capacitance field-effect transistors, resonant gate field-effect transistors, and graphene devices. The text explores emerging applications and challenges in low-power device designs in flexible and stretchable electronics. It will serve as an ideal reference text for graduate students, academic researchers, and professionals in fields including electrical engineering, electronics and communication engineering, nanoscience, nanotechnology, and computer engineering"--.