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[文献書誌] M.Doyama: "Positron Trapping Model in n-Type Semieonductors with Vacancies" Materials Science Forum. 105〜110. 985-988 (1992)
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[文献書誌] S.Ishibashi,R.Yamamoto,M.Doyama,T.MatSumoto: "Temperature Variation of Positron Lifetime in YBa_2(Cu_<1-x>M_x)_3O_<7-y>(M:Fe,Ni,Zn)" Materials Science Forum. 105-110. 1081-1084 (1992)
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[文献書誌] T.M.Wang,B.y.Wang,S.H.Zhang,M.Doyama: "Study of the Crystal Defects in Fe Cr Nc Alloy" Materials Science Forum. 105-110. 1321-1324 (1992)
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[文献書誌] M.Doyama,Y.Suzuki M.Shimotomai: "Positron Annihilation in Silicon Single Crystals" Nuclear Instruments and Methods in Physics Research. B63. 163-169 (1992)