Distribution of Forward Voltage of SiC Schottky Barrier Diode Using Ti Sintering Process

The forward current density-voltage (JF-VF) characteristics of SiC Schottky barrier diodes (SBDs) with an epilayer thickness between 9.6 and 10 μm and donor concentration (ND) ranging from 4.0x1015 to 5.7x1015 cm-3 was evaluated. It was found that the Schottky barrier height (Φb) can be stabilized b...

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Hauptverfasser: Shikama, Shozo, Matsuno, Yoshinori, Sumitani, Hiroaki, Kuroda, Kenichi, Yutani, Naoki, Ohtsuka, Kenichi
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Matsuno, Yoshinori
Sumitani, Hiroaki
Kuroda, Kenichi
Yutani, Naoki
Ohtsuka, Kenichi
description The forward current density-voltage (JF-VF) characteristics of SiC Schottky barrier diodes (SBDs) with an epilayer thickness between 9.6 and 10 μm and donor concentration (ND) ranging from 4.0x1015 to 5.7x1015 cm-3 was evaluated. It was found that the Schottky barrier height (Φb) can be stabilized by Ti sintering process and the forward current (IF) abruptly rises at the same knee voltage for all samples. On the other hand, the on-resistance (Ron) and VF were dispersed. The instability corresponds to the values calculated by the dispersion of ND, substrate resistivity and substrate thickness.
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It was found that the Schottky barrier height (Φb) can be stabilized by Ti sintering process and the forward current (IF) abruptly rises at the same knee voltage for all samples. On the other hand, the on-resistance (Ron) and VF were dispersed. 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title Distribution of Forward Voltage of SiC Schottky Barrier Diode Using Ti Sintering Process
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