Dual metal SiC Schottky rectifiers with low power dissipation (Articolo in rivista)

Type
Label
  • Dual metal SiC Schottky rectifiers with low power dissipation (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Roccaforte F., La Via F., Di Franco S., Raineri V. (2003)
    Dual metal SiC Schottky rectifiers with low power dissipation
    in Microelectronic engineering
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Roccaforte F., La Via F., Di Franco S., Raineri V. (literal)
Pagina inizio
  • 524 (literal)
Pagina fine
  • 528 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 70 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Dual metal SiC Schottky rectifiers with low power dissipation (literal)
Abstract
  • Nickel and titanium are the most commonly used metals for Schottky barrier diodes on silicon carbide (SiC). Ti has a low Schottky barrier height (i.e. about 0.8 eV on 6H-SiC), whilst Ni has a higher barrier (i.e. about 1.25 eV). Therefore, the first metal allows to achieve a low forward voltage drop VF but leads to a high leakage current. On the other hand, the second one presents the advantage of a lower reverse leakage current but has also a high value of VF. In this work, dual-metal-planar (DMP) Schottky diodes on silicon carbide are reported. The rectifying barrier was formed by using an array of micrometric Ti and Ni2Si (nickel silicide) stripes. This low/ high Schottky barrier allowed to combine the advantages of the two metals, i.e. to fabricate diodes with a forward voltage drop close to that of a Ti diode and with a level of reverse current comparable to that of a Ni2Si diode. Under the application point of view, using this kind of barrier can lead to a reduction of the device power dissipation and an increase of the maximum operating temperature. (literal)
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