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Gap-modulated doping effects on indirect exchange interaction between magnetic impurities in graphene
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10.1063/1.4795624
/content/aip/journal/jap/113/12/10.1063/1.4795624
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/12/10.1063/1.4795624
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Exchange interaction energies , and (left panel), as well as the changes of them , and (right panel), in undoped graphene as functions of the half-gap Eg for fixed . Here, we measure the distance in units of for .

Image of FIG. 2.
FIG. 2.

Exchange interaction energies (top panel), (middle panel), and (bottom panel) on the left column, as well as the changes of them (top panel), (middle panel), and (bottom panel) on the right column, in undoped graphene as functions of the distance between two magnetic impurities. Curves correspond to gap energy parameter  eV, respectively. Here, we measure distance in units of for .

Image of FIG. 3.
FIG. 3.

Exchange interaction energies , and (left panel), as well as the changes of them , and (right panel), in doped graphene as functions of the half-gap Eg for fixed and  eV. Here, we measure the distance in units of for .

Image of FIG. 4.
FIG. 4.

Exchange interaction energies (top panel), (middle panel), and (bottom panel) on the left column, as well as the changes of them (top panel), (middle panel), and (bottom panel) on the right column, in doped graphene as functions of the Fermi energy for fixed . Curves correspond to the gap energy parameter  eV respectively. Here, we measure the distance in units of for .

Image of FIG. 5.
FIG. 5.

Exchange interaction energies (top), (middle), and (bottom) on the left column, as well as the changes of them (top), (middle), and (bottom) on the right column, in doped graphene at as functions of the distance between two magnetic impurities. Curves correspond to gap energy parameter , respectively. Here, we measure distance in units of for .

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/content/aip/journal/jap/113/12/10.1063/1.4795624
2013-03-22
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Gap-modulated doping effects on indirect exchange interaction between magnetic impurities in graphene
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/12/10.1063/1.4795624
10.1063/1.4795624
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