• 文献标题:   Heat Transport in Graphene Ferromagnet-Insulator-Superconductor Junctions
  • 文献类型:   Article
  • 作  者:   LI XW
  • 作者关键词:  
  • 出版物名称:   CHINESE PHYSICS LETTERS
  • ISSN:   0256-307X
  • 通讯作者地址:   Huaiyin Normal Univ
  • 被引频次:   1
  • DOI:   10.1088/0256-307X/28/4/047401
  • 出版年:   2011

▎ 摘  要

We study heat transport in a graphene ferromagnet-insulator-superconducting junction. It is found that the thermal conductance of the graphene ferromagnet-insulator-superconductor (FIS) junction is an oscillatory function of the barrier strength chi in the thin-barrier limit. The gate potential U-0 decreases the amplitude of thermal conductance oscillation. Both the amplitude and phase of the thermal conductance oscillation varies with the exchange energy E-h. The thermal conductance of a graphene FIS junction displays the usual exponential dependence on temperature, reflecting the s-wave symmetry of superconducting graphene.