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Positron annihilation in hydrogen-doped alkali-metal fullerides
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H. Murakami
Veröffentlicht/Copyright:
25. September 2009
Hydrogen-doped alkali-metal fullerides were studied by means of mass-analyzed thermal desorption and positron annihilation. The hydrogen desorption spectra reveal the inclusion of hydrogen in the fullerides as two types of components; one weakly adsorbed and the other strongly bound, probably as hydride ion. The positron lifetime spectra demonstrate that hydrogen-doping to alkali-metal fullerides increases a concentration of higher-order vacancy-type defects, through which more than 50% injected positrons decay with a lifetime of 0.42–0.71 ns.
Published Online: 2009-9-25
Published in Print: 2001-1-1
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- Neptunium redox speciation
- Distribution coefficients of UO2(NO3)2 · 2TBP in supercritical fluid CO2 as determined by on-line time resolved laser induced fluorescence
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Artikel in diesem Heft
- Solubility and hydrolysis of tetravalent actinides
- Neptunium redox speciation
- Distribution coefficients of UO2(NO3)2 · 2TBP in supercritical fluid CO2 as determined by on-line time resolved laser induced fluorescence
- Interactions of Np(V) and U(VI) with dipicolinic acid
- Reactivity of 99mTc(V) ''3+1''mixed-ligand complexes towards glutathione
- Positron annihilation in hydrogen-doped alkali-metal fullerides
- The "age" of plutonium particles
- Catalytic reduction of pertechnetate (99TcO4-) in simulated alkaline nuclear wastes
