GaAs1-xBix epilayers with bismuth concentrations up to x = 3.1% were grown on GaAs by molecular beam epitaxy. The Bi content in the films was measured by Rutherford backscattering spectroscopy. X-ray diffraction shows that GaAsBi is pseudomorphically strained to GaAs but that some structural disorder is present in the thick films. The extrapolation of the lattice constant of GaAsBi to the hypothetical zincblende GaBi alloy gives 6.33+/-0.06 Angstrom. Room-temperature photoluminescence of the GaAsBi epilayers is obtained and a significant redshift in the emission of GaAsBi of similar to84 meV per percent Bi is observed. (C) 2003 American Institute of Physics.
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Indian Inst Sci Educ & Res Thiruvananthapuram IIS, CET Campus, Thiruvananthapuram 695016, Kerala, IndiaIndian Inst Sci Educ & Res Thiruvananthapuram IIS, CET Campus, Thiruvananthapuram 695016, Kerala, India
Joshya, R. S.
Rajaji, V.
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JNCASR, Bangalore 560064, Karnataka, IndiaIndian Inst Sci Educ & Res Thiruvananthapuram IIS, CET Campus, Thiruvananthapuram 695016, Kerala, India
Rajaji, V.
Narayana, Chandrabhas
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JNCASR, Bangalore 560064, Karnataka, IndiaIndian Inst Sci Educ & Res Thiruvananthapuram IIS, CET Campus, Thiruvananthapuram 695016, Kerala, India
Narayana, Chandrabhas
Mascarenhas, A.
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NREL, 1617 Cole Blvd, Golden, CO 80401 USAIndian Inst Sci Educ & Res Thiruvananthapuram IIS, CET Campus, Thiruvananthapuram 695016, Kerala, India
Mascarenhas, A.
Kini, R. N.
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Indian Inst Sci Educ & Res Thiruvananthapuram IIS, CET Campus, Thiruvananthapuram 695016, Kerala, IndiaIndian Inst Sci Educ & Res Thiruvananthapuram IIS, CET Campus, Thiruvananthapuram 695016, Kerala, India
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Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Turku Univ Ctr Mat & Surfaces MatSurf, Turku, FinlandUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Punkkinen, M. P. J.
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Laukkanen, P.
Kuzmin, M.
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Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Turku Univ Ctr Mat & Surfaces MatSurf, Turku, Finland
Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 194021, RussiaUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Kuzmin, M.
Levamaki, H.
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Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Turku Univ Ctr Mat & Surfaces MatSurf, Turku, FinlandUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Levamaki, H.
Lang, J.
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Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Turku Univ Ctr Mat & Surfaces MatSurf, Turku, FinlandUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Lang, J.
Tuominen, M.
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Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Turku Univ Ctr Mat & Surfaces MatSurf, Turku, FinlandUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Tuominen, M.
Yasir, M.
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Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Turku Univ Ctr Mat & Surfaces MatSurf, Turku, FinlandUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Yasir, M.
Dahl, J.
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Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Turku Univ Ctr Mat & Surfaces MatSurf, Turku, FinlandUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Dahl, J.
Lu, S.
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Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, SwedenUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Lu, S.
Delczeg-Czirjak, E. K.
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Uppsala Univ, Dept Phys & Astron, Div Mat Theory, SE-75120 Uppsala, SwedenUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Delczeg-Czirjak, E. K.
Vitos, L.
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Royal Inst Technol, Dept Mat Sci & Engn, SE-10044 Stockholm, Sweden
Uppsala Univ, Dept Phys & Astron, Div Mat Theory, SE-75120 Uppsala, Sweden
Inst Solid State Phys & Opt, Wigner Res Ctr Phys, H-1525 Budapest, HungaryUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Vitos, L.
Kokko, K.
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Univ Turku, Dept Phys & Astron, FI-20014 Turku, Finland
Turku Univ Ctr Mat & Surfaces MatSurf, Turku, FinlandUniv Turku, Dept Phys & Astron, FI-20014 Turku, Finland