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ELECTRON SPIN RELAXATION OF A@C₆₀

X. H. ZENG

College of Physics Science and technology & Complexity Science enter, Yangzhou University, Yangzhou, 225002, China

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P. X. ZHOU

College of Physics Science and technology & Complexity Science enter, Yangzhou University, Yangzhou, 225002, China

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B. GU

College of Physics Science and technology & Complexity Science enter, Yangzhou University, Yangzhou, 225002, China

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H. E. RUDA

Centre for Advanced Nanotechnology, University of Toronto, Canada M5S 3E4, Canada

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, and

BI QIAO

Centre for Advanced Nanotechnology, University of Toronto, Canada M5S 3E4, Canada

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https://doi.org/10.1142/S0217979205031894Cited by:0 (Source: Crossref)

Abstract

The electron spin decoherence in endohedral fullerene A@C₆₀ is studied at low temperature using master equation under the Markov approximation. At lower magnetic field the polarization decay occurs with form e^-(t/T₁)² consitent with previous reports having decays of the order of ℏ/A, and the relationship is satisfied. For the case of A@C₆₀ (A =N,P) endohedral fullerenes, the decay times on the order of tens of ns are calculated. For a strong external magnetic field, polarization strongly depends on the external magnetic field, the decay time is suppressed.

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