Majority Logical Function Using a pi'npin a-SiC: H Structure

V. Silva, M. Barata, P. Louro, Maria Manuela de Almeida Carvalho Vieira, Manuela Vieira

Research output: Contribution to journalArticlepeer-review


The majority logic function has a true output value whenever more than half of the inputs have a true value. Majority logic, also known as majority voting, is used in many systems, for fault-tolerant design, in bioelectronics, and quantum dot cellular automata. The pi'npin heterostructure p-i'(a-SiC:H)-n/p-i(a-Si:H)-n can be illuminated from both back and front surfaces. Steady state illumination, optical bias, controls the light-to-dark sensitivity in the visible range. Several input data channels, each with a different wavelength, illuminate the front surface. Results show that a majority function of 3 and 5 inputs (MAJ-3, MAJ-5) is built with the pi'npin device projecting the way for a MAJ-n function.

Original languageEnglish
Pages (from-to)772-779
Number of pages8
JournalMaterials Today: Proceedings
Issue number3
Publication statusPublished - 2016


  • A-Si:C
  • Amorphous silicon
  • Digital light signal
  • Logical functions
  • Maj-n
  • Majority function
  • Optoelectronics
  • Photosensor
  • Pin


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