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A New Nano Design for Implementation of a Digital Comparator Based on Quantum-Dot Cellular Automata
Gao, Mingming1,2; Wang, Jinling1; Fang, Shaojun2; Nan, Jingchang1; Daming, Li3
2021-07-01
Source PublicationInternational Journal of Theoretical Physics
ISSN0020-7748
Volume60Issue:7Pages:2358-2367
Abstract

Quantum-dot is the result of elastic relaxation which has a straight relationship with the optical and electronic aspects of the quantum-dot-based devices. In nanotechnologies, Quantum-dot Cellular Automata (QCA) is a perfect transistor-less computation method where it tries to create general computation at the nanoscale with better switching frequency and enhanced scale integration to overcome the scaling shortfalls of CMOS technology. In this technology, binary information is represented based on the distribution of electron configuration in chemical molecules. Also, the comparator is the essential component in digital circuits, which takes two binary numbers as input and implements their resemblance. In this paper, a 1-bit comparator architecture in an optimized and efficient manner is suggested to bring a new phase of comparator circuit based on QCA, and then a novel 2-bit comparator structure is offered. The simulation and functionality of proposed comparators have been examined by the QCAdesigner tool, and comparison with formerly designs shows a high degree of compactness and consistent performance of proposed designs. Proposed 1-bit and 2-bit QCA comparators exhibit a delay of 0.75 and 2.75 clock cycle, occupy an active area of 0.04 and 0.19 μm and use 31 and 125 QCA cells, respectively.

KeywordComparator Coulombic Interaction Molecules Nanoscale Nanotechnology Quantum-dot Cellular Automata (Qca)
DOI10.1007/s10773-020-04499-w
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000535704700001
PublisherSPRINGER/PLENUM PUBLISHERS, 233 SPRING ST, NEW YORK, NY 10013
Scopus ID2-s2.0-85085280967
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Citation statistics
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorGao, Mingming
Affiliation1.School of Electronic and Information Engineering, Liaoning Technical University, Huludao, 125105, China
2.School of Information Science and Technology, Dalian Maritime University, Dalian, 116026, China
3.Macau University, Macao
Recommended Citation
GB/T 7714
Gao, Mingming,Wang, Jinling,Fang, Shaojun,et al. A New Nano Design for Implementation of a Digital Comparator Based on Quantum-Dot Cellular Automata[J]. International Journal of Theoretical Physics, 2021, 60(7), 2358-2367.
APA Gao, Mingming., Wang, Jinling., Fang, Shaojun., Nan, Jingchang., & Daming, Li (2021). A New Nano Design for Implementation of a Digital Comparator Based on Quantum-Dot Cellular Automata. International Journal of Theoretical Physics, 60(7), 2358-2367.
MLA Gao, Mingming,et al."A New Nano Design for Implementation of a Digital Comparator Based on Quantum-Dot Cellular Automata".International Journal of Theoretical Physics 60.7(2021):2358-2367.
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