Presentation 1993/11/19
Mechanism of Kink Effect in AlGaAs/InGaAs Heterojunction FETs
Yasuko Hori, Masaaki Kuzuhara,
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Abstract(in English) We have investigated the kink effect in AlGaAs, InGaAs HJFET in terms of optical wavelength,temperature and gate voltage.The drain current value measured at the drain voltage lower than the kink voltage was found to increase by irradiating white light onto the device,indicating the disappearance of kink by electron-hole generation.The degree of kink disappearance exhibited a significant optical wavelength dependence.We also found that the kink disappears with increasing temperature.In addition,the degree of the kink effect decreases with increasing gate bias in the region of Vg>0V.These results suggest that the appearance of kink is related to the holes captured by hole traps in AlGaAs donor layer,as well as to electron-hole pair generation in the InGaAs channel layer caused by impact ionization.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) HJFET / kink effect / impact ionization / hole trap / AlGaAs donor layer
Paper # ED93-132,CPM93-103
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Committee ED
Conference Date 1993/11/19(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Mechanism of Kink Effect in AlGaAs/InGaAs Heterojunction FETs
Sub Title (in English)
Keyword(1) HJFET
Keyword(2) kink effect
Keyword(3) impact ionization
Keyword(4) hole trap
Keyword(5) AlGaAs donor layer
1st Author's Name Yasuko Hori
1st Author's Affiliation Kansai Electronics Research Laboratory,NEC Corporation()
2nd Author's Name Masaaki Kuzuhara
2nd Author's Affiliation Kansai Electronics Research Laboratory,NEC Corporation
Date 1993/11/19
Paper # ED93-132,CPM93-103
Volume (vol) vol.93
Number (no) 326
Page pp.pp.-
#Pages 6
Date of Issue