Quantum-dot cellular automata

被引：21

作者：

Snider, GL ^{[1
]}

Orlov, AO ^{[1
]}

Amlani, I ^{[1
]}

Zuo, X ^{[1
]}

Bernstein, GH ^{[1
]}

Lent, CS ^{[1
]}

Merz, JL ^{[1
]}

Porod, W ^{[1
]}

机构：

[1] Univ Notre Dame, Dept Elect Engn, Notre Dame, IN 46556 USA

来源：

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A | 1999年 / 17卷 / 04期

关键词：

D O I：

10.1116/1.581826

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

An introduction to the operation of quantum-dot cellular automata (QCA) is presented, along with recent experimental results. QCA is a transistorless computation paradigm that addresses the issues of device density and interconnection. The basic building blocks of the QCA architecture,:such as AND, OR, and NOT are presented. The experimental device is a four-dot QCA-cell with two electrometers. The dots are metal islands, which are coupled by capacitors and tunnel junctions. An improved design of the cell is presented in which all four dots of the cell are coupled by tunnel junctions. A noninvasive electrometer is presented which improves the sensitivity and linearity of dot potential measurements. The operation of this basic cell is confirmed by an externally controlled polarization change of the cell. (C) 1999 American Vacuum Society. [S0734-2101(99)07104-3].

引用

页码：1394 / 1398

页数：5

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