logic circuits
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2022 ◽  
Vol 2161 (1) ◽  
pp. 012050
Author(s):  
Imran Ahmed Khan

Abstract Due to physical, material, technological, power-thermal and economical difficulties, scaling of CMOS transistors will stop very soon. Due to efficiency of power and speed compared to CMOS transistors, Carbon Nano-tube transistors are best suitable element to design logic circuits. So, CNTFETS have been utilized in designing of proposed full adder (FA) and 4-bit ripple carry adder (RCA) in this paper. Proposed FA and RCA have been compared to rival designs on bases of power, speed and power-delay-product (PDP). FA and RCA circuits have been analysed with the variation of temperature from 0°C to 100°C while the variation of supply voltages is from 0.7V to 1.3V. For all temperatures and all supply voltages, proposed FA and proposed RCA have the least power consumption, shortest delay and lowest PDP. SPICE has been utilized for simulating FAs and RCAs in 32 nm process node. Even though the fabrication is complicated than CMOS counterparts but simulation results confirm usefulness of proposed FA and RCA for high speed and power efficient arithmetic applications.


The Analyst ◽  
2022 ◽  
Author(s):  
Dipankar Das ◽  
RABIUL ALAM ◽  
Mahammad Ali

A new rhodamine 6G based chemosensor (L3), has been synthesized and characterized by 1H, 13C, IR and Mass spectroscopy studies. It exhibits an excellent selective and sensitive CHEF based recognition...


Author(s):  
Hai Li ◽  
Dmitri E. Nikonov ◽  
Chia-Ching Lin ◽  
Kerem Camsari ◽  
Yu-Ching Liao ◽  
...  
Keyword(s):  

RSC Advances ◽  
2022 ◽  
Vol 12 (1) ◽  
pp. 338-345
Author(s):  
Cuicui Xing ◽  
Xuedong Zheng ◽  
Qiang Zhang

Preemptor blocks the strand displacement reaction by acting on DNA complex, not by directly hybridizing with the worker.


2021 ◽  
Vol 31 (16) ◽  
Author(s):  
Xiaoyuan Wang ◽  
Pu Li ◽  
Chenxi Jin ◽  
Zhekang Dong ◽  
Herbert H. C. Iu

This paper presents a general modeling method for threshold-type multivalued memristors. Through this memristor modeling method, it is very simple to establish threshold-type memristor behavior models with different numbers of memristance elements, and these models are verified by numerical MATLAB simulations. A corresponding circuit-level SPICE model of the ternary memristor behavior model is developed and simulated in LTspice, shown to be consistent with the MATLAB results. Finally, the SPICE model is used to design the AND gate, OR gate, and three NOT gates of ternary state-based logic, and the effectiveness of the circuit is proved by LTSpice simulation.


ACS Nano ◽  
2021 ◽  
Author(s):  
Xia Liu ◽  
Arnob Islam ◽  
Ning Yang ◽  
Bradley Odhner ◽  
Mary Anne Tupta ◽  
...  

2021 ◽  
Author(s):  
Jun Shiomi ◽  
Shuya Kotsugi ◽  
Boyu Dong ◽  
Hidetoshi Onodera ◽  
Akihiko Shinya ◽  
...  
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