A detailed investigation of the nonstationary photocurrent in crystals with a sillenite structure grown in an oxygen-free (argon) atmosphere is performed. Basic parameters of the photoinduced charge carriers in the crystals investigated, such as the mean carrier lifetime and mobility, the mean photoconductivity, the carrier diffusion length, and the Debye screening length, are determined. (C) 1999 American Institute of Physics. [S1063-7850(99)01205-7].
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RAS, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, RussiaBulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, Bulgaria
Egorysheva, A. V.
Milenov, T. I.
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Bulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, BulgariaBulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, Bulgaria
Milenov, T. I.
Rafailov, P. M.
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Bulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, BulgariaBulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, Bulgaria
Rafailov, P. M.
Thomsen, C.
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Tech Univ Berlin, Inst Festkorperphys, D-10623 Berlin, GermanyBulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, Bulgaria
Thomsen, C.
Petrova, R.
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Bulgarian Acad Sci, Cent Lab Mineral & Crystallog, BU-1113 Sofia, BulgariaBulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, Bulgaria
Petrova, R.
Skorikov, V. M.
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RAS, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, RussiaBulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, Bulgaria
Skorikov, V. M.
Gospodinov, M. M.
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Bulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, BulgariaBulgarian Acad Sci, G Nadzakov Inst Solid State Phys, BU-1784 Sofia, Bulgaria