Dose effect in neutron-irradiated C60: a positron lifetime spectroscopy and DSC study
✍ Scribed by Tibor Braun; Ilona Konkoly Thege; Henrik Rausch; Károly Süvegh; Attila Vértes
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 302 KB
- Volume
- 238
- Category
- Article
- ISSN
- 0009-2614
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✦ Synopsis
Polycrystalline C6o samples irradiated with five doses of nuclear reactor neutrons stretching from 2.44 × 1014 to 1.03 × 1018 n/cm 2 were investigated by positron annihilation spectroscopy and DSC. The measurements indicated that the crystal structure of buckminsterfullerene is unaffected up to a dose of about 7.56 × 1016 n/cm 2. Above that dose the crystal lattice begins to collapse and at a dose of 1.03 × 1018 n/cm 2 the structure becomes totally disordered.
📜 SIMILAR VOLUMES
The lifetimes of the highly mobile positive ions formed on ionization of cyclohexane and transdecalin solvents are extremely sensitive to radiation dose due to build up of reactive products. In cyclohexane a radiation dose of 2 x 10' J m-3 reduces the halflife to less than 50 ns mainly due to build-