Lifetime Spectra of Positrons in (Ba_<1-1.5x>Gd_x□_<0.5x>)TiO_3

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概要

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• Positron lifetime spectra were measured at 20'C in Gd-doped Basic. whichcontained a large amount of Ba" vacancies. It was found that the intensity oflong-lived (r.) component was proportional to the nominal vacancy concentratuonand the averaged annihilation rate decreased as the concentration increased. Toexplain the o bserved results a model is proposed in which most of Ba" vacanciesform pairs with Gd" and these pairs attract, but do not trap positrons, andisolated Ba" vacancies trap positrons giving o. component.

• 社団法人日本物理学会の論文
• 1978-03-15

著者

• AKAHANE Takashi

  National Institute for Materials Science

• Akahane Takashi

  National Institute For Researches In Inorganic Materials

• Akahane Takashi

  National Institute For Researches In Inorgnic Materials

• SHIRASAKI Shinichi

  National Institute for Research in Inorganic Materials

• Shirasaki S

  National Inst. Research In Inorganic Materials Ibaraki

• CHIBA Toshinobu

  National Institute for Researches in Inorganic Materials

• Chiba Toshinobu

  National Institute For Researches In Inorgnic Materials

• Chiba Toshinobu

  National Institute For Research In Inorganic Materials

• Shirasaki Shinichi

  National Institute For Researches In Inorganic Materials

• Tsuda Nobuo

  National Institute For Researches In Inorgnic Materials

• Tsuda Nobuo

  National Institute For Research In Inorganic Materials

• TROEV Troio

  National Institute for Researches in Inorganic Materials

• Troev Troio

  National Institute For Researches In Inorganic Materials:on Leave From Institute Of Nuclear Research

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