DocumentCode
1921323
Title
Si/SiGe Modulation Doped Structures by Gas Source Molecular Beam Epitaxy using Arsenic as a Donor
Author
Matsumura, A. ; Prasad, R.S. ; Thornton, T.J. ; Fernández, J.M. ; Xie, M.H. ; Zhang, X. ; Zhang, J. ; Joyce, B.A.
Author_Institution
Electrical Engineering Department, Imperial College, London SW7, UK; Interdisciplinary Research Centre for Semiconductor Materials, Imperial College, London SW7, UK; Nippon Steel Corp., 5-10-1 Fuchinobe, Sagamihara-shi, Kanagawa 229, Japan
fYear
1994
fDate
11-15 Sept. 1994
Firstpage
741
Lastpage
744
Abstract
We have grown Si/SiGe modulation doped quantum wells by gas source molecular beam epitaxy using, for the first time, arsenic as an n-type dopant. The layers are characterised by magnetotransport measurements and SIMS analysis. The latter shows an arsenic concentration in excess of 1019 cm¿3 along with strong surface segregation.
Keywords
Buffer layers; Electrical resistance measurement; Electron mobility; Epitaxial layers; Germanium silicon alloys; Magnetic field measurement; Molecular beam epitaxial growth; Silicon germanium; Substrates; Temperature;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid State Device Research Conference, 1994. ESSDERC '94. 24th European
Conference_Location
Edinburgh, Scotland
Print_ISBN
0863321579
Type
conf
Filename
5435821
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