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| | This paper presents an ESR spectroscopy studied on free radicals and free electrons trapped in γ-irradiated NTP crystal.(1)The spectra of γ-irra-diated NTP polycrystal and singlecrystal were obtained and their simulated (model) spectra are suggested.It is preliminarily proposed that 18 hyperfine are caused by radicals trapped in γ-irradiated NTP crystal and that the "S" shaped symmetric spectrum is caused by free electros trapped in γ-irradiated NTP lattice dafect. (2)The decaycurves of the signal intensity... | | 本文对氮川丙酰胺(NTP)经~(63)Coγ射线辐照生成的自由基和陷落电子的电子自旋共振(ESR)波谱进行了研究。(1)提出了γ辐照NTP多晶、单晶的ESR谱及模拟谱。初步认为,分裂的18条谱线是γ辐照NTP自由基所引起,对称的“S”形谱线是γ辐照生成的陷落电子所引起。(2)给出了γ辐照NTP谱线强度的升温和恒温衰减曲线。发现NTP自由基在100℃以下温度稳定存在,自由电子在150℃以下温度稳定存在,当温度接近NTP熔点(186℃)时,ESR谱线强度快速衰减到零。(3)认为该谱是由NTP自由基和晶格缺陷中的陷落电子两部分谱线迭加而成。 | | 文摘来源 | |   |
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