Faster access cost-efficient design of RAM cell using multilayer crossover in QCA Vaibhav Jain, Devendra Kumar Sharma and Hari Mohan Gaur Eur. Phys. J. Plus, 138 3 (2023) 190 Published online: 02 March 2023 DOI: 10.1140/epjp/s13360-023-03800-0