Profiling of traps in SiO2/Al2O3 gate stack by the charge pumping technique

Isodiana Crupi, David P. Brunco, Jan Van Houdt, Robin Degraeve, Philippe Roussel, Bogdan Govoreanu

Risultato della ricerca: Article

Abstract

In this paper, we present our results on the distribution and generation of traps in a SiO2/Al2O3 transistor. The investigation has been carried out by using charge pumping measurements, both variable voltage and frequency techniques, and constant voltage stress. By increasing the amplitude of the gate pulse we observe an increase of the charge recombined per cycle closely related to the contribution of shallow traps near the SiO2/Al2O3 interface. By reducing the pulse frequency we measure an increase in the charge pumping current due to traps located deeper in the Al2O3. By combining charge pumping and constant voltage stress measurements, we found that the traps are mostly generated near the Si/SiO2 interface. © 2006.
Lingua originaleEnglish
pagine (da-a)889-891
Numero di pagine3
RivistaMaterials Science in Semiconductor Processing
Volume9
Stato di pubblicazionePublished - 2006

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pumping
traps
Stress measurement
Voltage measurement
Electric potential
Transistors
electric potential
stress measurement
pulses
transistors
cycles

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanical Engineering
  • Mechanics of Materials
  • Condensed Matter Physics

Cita questo

Crupi, I., Brunco, D. P., Van Houdt, J., Degraeve, R., Roussel, P., & Govoreanu, B. (2006). Profiling of traps in SiO2/Al2O3 gate stack by the charge pumping technique. Materials Science in Semiconductor Processing, 9, 889-891.

Profiling of traps in SiO2/Al2O3 gate stack by the charge pumping technique. / Crupi, Isodiana; Brunco, David P.; Van Houdt, Jan; Degraeve, Robin; Roussel, Philippe; Govoreanu, Bogdan.

In: Materials Science in Semiconductor Processing, Vol. 9, 2006, pag. 889-891.

Risultato della ricerca: Article

Crupi, I, Brunco, DP, Van Houdt, J, Degraeve, R, Roussel, P & Govoreanu, B 2006, 'Profiling of traps in SiO2/Al2O3 gate stack by the charge pumping technique', Materials Science in Semiconductor Processing, vol. 9, pagg. 889-891.
Crupi, Isodiana ; Brunco, David P. ; Van Houdt, Jan ; Degraeve, Robin ; Roussel, Philippe ; Govoreanu, Bogdan. / Profiling of traps in SiO2/Al2O3 gate stack by the charge pumping technique. In: Materials Science in Semiconductor Processing. 2006 ; Vol. 9. pagg. 889-891.
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AU - Roussel, Philippe

AU - Govoreanu, Bogdan

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AB - In this paper, we present our results on the distribution and generation of traps in a SiO2/Al2O3 transistor. The investigation has been carried out by using charge pumping measurements, both variable voltage and frequency techniques, and constant voltage stress. By increasing the amplitude of the gate pulse we observe an increase of the charge recombined per cycle closely related to the contribution of shallow traps near the SiO2/Al2O3 interface. By reducing the pulse frequency we measure an increase in the charge pumping current due to traps located deeper in the Al2O3. By combining charge pumping and constant voltage stress measurements, we found that the traps are mostly generated near the Si/SiO2 interface. © 2006.

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