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Structures and magnetic properties of transition metal(TM) Fe or Ni monoatomic chains(MACs) encapsulated by a Au(5,5) nanotube(Fe@Au and Ni@Au) are investigated using the density functional theory(DFT).The calculated results show that both Fe@Au and Ni@Au prefer to adopt ferromagnetic(FM) orders as ground states.In particular,the Fe@Au keeps the magnetic properties of free-standing Fe MAC,indicating that this system may be viewed as a new candidate in electromagnetic devices.
Structures and magnetic properties of transition metal (TM) Fe or Ni monoatomic chains (MACs) encapsulated by a Au (5,5) nanotube (Fe @ Au and Ni @ Au) are investigated using the density functional theory (DFT) results show that both Fe @ Au and Ni @ Au prefer to urge ferromagnetic (FM) orders as ground states. In particular, the Fe @ Au keeps the magnetic properties of free-standing Fe MAC, indicating that this system may be viewed as a new candidate in electromagnetic devices.