Using AFM Related Techniques for the Nanoscale Electrical Characterization of Irradiated Ultrathin Gate Oxides

We used different atomic force microscopy (AFM) related techniques to analyze the electrical properties of ultrathin gate oxides irradiated with heavy ions, gathering information on the size, position, electrical properties, and number of conductive spots generated by the impinging particles. In par...

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Veröffentlicht in:IEEE transactions on nuclear science 2007-12, Vol.54 (6), p.1891-1897
Hauptverfasser: Porti, M., Gerardin, S., Nafria, M., Aymerich, X., Cester, A., Paccagnella, A.
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container_end_page 1897
container_issue 6
container_start_page 1891
container_title IEEE transactions on nuclear science
container_volume 54
creator Porti, M.
Gerardin, S.
Nafria, M.
Aymerich, X.
Cester, A.
Paccagnella, A.
description We used different atomic force microscopy (AFM) related techniques to analyze the electrical properties of ultrathin gate oxides irradiated with heavy ions, gathering information on the size, position, electrical properties, and number of conductive spots generated by the impinging particles. In particular, conductive-AFM (C-AFM), scanning capacitance microscopy (SCM), and Kelvin probe force microscopy (KPFM) have been used to measure at the nanoscale level the electrical conduction, capacitance, and contact potential, respectively, of fresh, irradiated, and electrically stressed MOS capacitors. The electrical properties of the different samples have been compared and the impact of the irradiation analyzed.
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subjects AFM
Atomic force microscopy
C-AFM
Capacitance
Capacitance measurement
Conductivity measurement
Electric variables measurement
Electrical properties
Force measurement
Gates
Information analysis
Irradiation
Kelvin
KPFM
Microscopy
Nanomaterials
Nanostructure
Particle measurements
Probes
radiation effects
SCM
Stress measurement
title Using AFM Related Techniques for the Nanoscale Electrical Characterization of Irradiated Ultrathin Gate Oxides
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