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Journal of Sciences Islamic Republic of Iran، جلد ۲۳، شماره ۳، صفحات ۲۶۳-۲۶۷
عنوان فارسی Electric-Field-Induced Triplet to Singlet Transition in Size-۲ Trigonal Zigzag Graphene Nanoflake
چکیده فارسی مقاله Using Hartree-Fock Su-Sheriffer-Heeger (HF-SSH) model, we have studied the dependence of the energies of the ground (magnetic triplet state) and the first exited (nonmagnetic singlet state) states of the size-2 trigonal zigzag graphene nanoflake (size-2 NF) on the intensity of an external in plane static electric field at zero temperature. We identify a transition from the magnetic triplet state to a nonmagnetic singlet state in size-2 NF caused by the polarization energy induced by the in plane static electric field. This transition has a unique property of being accompanied by a sudden increase in the electric dipole moment of the size-2 NF.
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عنوان انگلیسی Electric-Field-Induced Triplet to Singlet Transition in Size-2 Trigonal Zigzag Graphene Nanoflake
چکیده انگلیسی مقاله Using Hartree-Fock Su-Sheriffer-Heeger (HF-SSH) model, we have studied the dependence of the energies of the ground (magnetic triplet state) and the first exited (nonmagnetic singlet state) states of the size-2 trigonal zigzag graphene nanoflake (size-2 NF) on the intensity of an external in plane static electric field at zero temperature. We identify a transition from the magnetic triplet state to a nonmagnetic singlet state in size-2 NF caused by the polarization energy induced by the in plane static electric field. This transition has a unique property of being accompanied by a sudden increase in the electric dipole moment of the size-2 NF.
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نویسندگان مقاله m غفاریان |
department of physics, faculty of science, university of shahid beheshti,
سازمان اصلی تایید شده: دانشگاه شهید بهشتی (Shahid beheshti university)

نشانی اینترنتی http://jsciences.ut.ac.ir/article_30537_f44537a80cf73251bc2b27e8baf7b845.pdf
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