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Electron conduction through nano particles in electrically conductive adhesives

Ying Fu (Institutionen för mikroteknologi och nanovetenskap, Fotonik) ; Johan Liu (Institutionen för mikroteknologi och nanovetenskap, Fotonik)
Micromaterials and Nanomaterials Vol. 3 (2004), p. 104.
[Artikel, övrig vetenskaplig]

We have studied the electron transmission of an electrically conductive adhesive (ECA) composed of micro-size and nano-size metal fillers. By quantum mechanics, it has been shown that due to the quantization of electron states in the nano particle, energy barriers are formed at interconnects between the microfillers and nano particles. The energy barriers effectively reduce the electron transmission through the nano particles. For an ECA consisting of 50-nm-diameter nano particles, the electron conduction is reduced by a factor of 2, and the time for the electron to transmit through the nano particle is about 100 ps.



Denna post skapades 2006-08-29.
CPL Pubid: 1605

 

Institutioner (Chalmers)

Institutionen för mikroteknologi och nanovetenskap, Fotonik

Ämnesområden

Elektroteknik och elektronik

Chalmers infrastruktur