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Lee, H. S.*; Yamaguchi, Masafumi*; Ekins-Daukes, N. J.*; Khan, A.*; Takamoto, Tatsuya*; Imaizumi, Mitsuru*; Oshima, Takeshi; Ito, Hisayoshi
Physica B; Condensed Matter, 376-377, p.564 - 567, 2006/04
Times Cited Count:2 Percentile:12.56(Physics, Condensed Matter)no abstracts in English
Dharmarasu, N.*; Yamaguchi, Masafumi*; Bourgoin, J. C.*; Takamoto, Tatsuya*; Oshima, Takeshi; Ito, Hisayoshi; Imaizumi, Mitsuru*; Matsuda, Sumio*
Applied Physics Letters, 81(1), p.64 - 66, 2002/07
Times Cited Count:17 Percentile:55.81(Physics, Applied)We studied the properties of observed defects in n/p-InGaP solar cells created by irradiation of protons with different energies.Three majority (hole) and a minority-carrier traps, labeled respectively as HP1 (E+0.900.05eV), HP2 (E+0.730.05eV), H2 (E +0.55eV),and EP1 (E 0.54eV),were identified using deep level transient spectroscopy. All majority-carrier traps were found to act as recombination centers. While the H2 traps present in the proton-irradiated p-InGaP was found to anneal out by minority-carrier injection, the other traps were not.