DocumentCode
2341367
Title
Photoluminescent investigation of the effect of ultrasonic treatment upon defect states in M/n-n+ GaAs (M=Pt,W,Cr)
Author
Ermolovich, I.B. ; Konakova, R.V. ; Milenin, V.V. ; Prokopenko, I.B. ; Gromashevskii, V.L.
Author_Institution
Inst. of Semicond. Phys., Acad. of Sci., Kiev, Ukraine
fYear
1998
fDate
5-7 Oct 1998
Firstpage
223
Lastpage
226
Abstract
The effect of ultrasonic treatment on the physico-chemical, structural, and electrical properties of Pt,Cr,W/n-n+-GaAs structures has been studied. It is shown that ultrasonic treatment produces spatial and chemical ordering of the contact region of GaAs. This decreases the reverse currents in diode structures with a Schottky barrier. A possible mechanism of the effect of ultrasonic treatment on the structural and chemical reorganization in an M/n-n+-GaAs contact is discussed
Keywords
III-V semiconductors; Schottky barriers; chromium; defect states; gallium arsenide; photoluminescence; platinum; semiconductor-metal boundaries; tungsten; ultrasonic effects; Cr-GaAs; Pt-GaAs; Schottky barrier diode; W-GaAs; defect states; metal/n-n+-GaAs contact; photoluminescence; ultrasonic treatment; Chemicals; Chromium; Contacts; Gallium arsenide; Metallization; Physics; Pulse measurements; Spectroscopy; Substrates; Surface treatment;
fLanguage
English
Publisher
ieee
Conference_Titel
Advanced Semiconductor Devices and Microsystems, 1998. ASDAM '98. Second International Conference on
Conference_Location
Smolenice Castle
Print_ISBN
0-7803-4909-1
Type
conf
DOI
10.1109/ASDAM.1998.730204
Filename
730204
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