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A photothermal microscopy investigation of carrier transport in ion implanted silicon thin films under the action of external electric field

M. NESTOROS1,* , M. MOUROUTI2, N. C. PAPANICOLAOU3, C. CHRISTOFIDES2

Affiliation

  1. Department of Electrical and Computer Engineering, University of Nicosia, 1700 Nicosia, Cyprus
  2. Department of Physics University of Cyprus, 1678 Nicosia, Cyprus
  3. Department of Computer Science, University of Nicosia, 1700 Nicosia, Cyprus

Abstract

A series of ion implanted Si thin film pseudo-devices with various dimensions in the micrometer region was investigated for different values and orientations of an applied external electric field, utilizing photothermal microscopy. The important features of the photothermal signal namely its linearity as a function of the applied electric field as well as the saturation effect are discussed and an one dimensional model is used for a qualitative interpretation of the results. Photothermal microscopy is proved to be a sensitive technique for carrier transport monitoring in microelectronic circuit elements..

Keywords

Photothermal microscopy, Carrier transport, Implanted silicon thin films.

Citation

M. NESTOROS, M. MOUROUTI, N. C. PAPANICOLAOU, C. CHRISTOFIDES, A photothermal microscopy investigation of carrier transport in ion implanted silicon thin films under the action of external electric field, Optoelectronics and Advanced Materials - Rapid Communications, 5, 5, May 2011, pp.505-509 (2011).

Submitted at: April 11, 2011

Accepted at: May 31, 2011