Carbon nanotubes investigated by N@C60 and N@C70 spin probes

被引：0
|
作者：
Corzilius, B [1 ]
Gembus, A [1 ]
Dinse, KP [1 ]
Simon, F [1 ]
Kuzmany, H [1 ]
机构：
[1] Tech Univ Darmstadt, Chem Dept, D-64287 Darmstadt, Germany
来源：
Electronic Properties of Novel Nanostructures | 2005年 / 786卷
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nitrogen atoms encapsulated in C-60 can be used to detect small deviations from spherical symmetry via deformation-induced non-vanishing Zero-Field-Splitting (ZFS). In this context, experiments were performed by using these electronic quartet spin probes to investigate single wall carbon nanotubes. Time-fluctuating ZFS interaction would be indicative for rotational and/or translational degrees of freedom. Using pulsed EPR techniques, spin relaxation rates of N@C-60 and also of N@C-70 molecules with inherent static ZFS were measured. The analysis of their temperature dependence gave information about the dynamics of N@C-60 and N@C-70 molecules confined to the inside of the tubes.
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页码：291 / 295
页数：5
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