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The quantum-dot cellular automaton (QCA), a processing platform based on interacting quantum dots, was introduced by Lent in the mid-1990s. What followed was an exhilarating period with the development of the line, the functionally complete set of logic functions, as well as more complex processing structures, however all in the realm of binary logic.(More)
Quantum-dot cellular automata (QCA) are one of the most promising alternative platforms of the future. Recent years have witnessed the development of basic logic structures as well as more complex processing structures, however most in the realm of binary logic. On the grounds that future platforms should not disregard the advantages of multi-valued logic,(More)
The quantum-dot cellular automata (QCA) are one of the few alternative computing platforms that meet most of the criteria desired for computing platforms of the future. One of the basic concepts that has popularized the QCA platform to computer designers is adiabatic pipelining, which implicitly assures the correct data flow and in this view simplifies(More)
This paper treats the problems involved in the design of logic circuits based on novel processing platform. It begins with description of the ternary quantum-dot cell, an extended classic binary cell. These cells are basic building blocks of quantum-dot cellular automata. They are used to construct simple structures with inputs and output which implement(More)
: Quantum-dot cellular automata are an interesting nanoscale computing paradigm. The introduction of the ternary quantum-dot cell enabled ternary computing, and with the recent development of a ternary functionally complete set of elementary logic primitives and the ternary memorizing cell design of complex processing structures is becoming feasible. The(More)
The ternary Quantum-dot Cellular Automata (tQCA) were demonstrated to be a possible candidate for the implementation of a future multi-valued processing platform. Recent papers show that the application of the adiabatic pipelining can be used to solve the issues of the tQCA logic primitives. The architectures of the resulting tQCAs become similar to their(More)
Recent studies show quantum-dot cellular automata (QCA) as one of the promising alternatives to CMOS technology. Optimization plays an important role in circuit design despite the used technology. One possibility is the minimization of the number of basic building blocks usually resulting in less energy consumption and fewer delays in processing. The(More)
The recent years have witnessed a dramatic reduction in size coupled with the increase of speed in computing devices. Following this trend the current approaches will inevitably reach their limits, what calls for studies of alternative processing platforms. Presently the most promising one is the Quantum-dot Cellular Automaton (QCA), a processing platform(More)
The CMOS transistor has reached the molecular level due to the continuous miniaturization. With devices that small, problems in manufacturing and functionality appear. Since quantum effects become prevalent, technology that would take advantage of them is desirable. One of the proposed novel technologies is the quantum-dot cellular automaton (QCA) [1, 2].(More)