A spintronics full adder for magnetic CPU

Hao Meng, Jianguo Wang, Jian Ping Wang

Research output: Contribution to journalArticlepeer-review

78 Scopus citations


Spintronics devices are based on the up or down spin of the electrons rather than on electrons or holes as in the traditional semiconductor electronics devices. Magnetic processors using spintronics devices in principle are much faster and with the potential features of nonvolatile, lower power consumption and higher integration density compared with transistor-based microprocessor. Full adder is one of the most important basic units of the arithmetic/logic unit for any processors. The design of the full adder determines the speed and chip-density of a processor. In this paper, a novel spintronics full adder is proposed based on novel programmable spintronics logic devices. Only seven magnetic tunnel junction elements are needed for this full adder design.

Original languageEnglish (US)
Pages (from-to)360-362
Number of pages3
JournalIEEE Electron Device Letters
Issue number6
StatePublished - Jun 2005


  • Full adder
  • Magnetic CPU
  • Magnetic random access memory (MRAM)
  • Magnetic tunnel junction
  • Magnetoresistance
  • Programmable
  • Spintronics logic device


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