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Chin. Phys. B, 2016, Vol. 25(5): 057302    DOI: 10.1088/1674-1056/25/5/057302
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

Electronic and magnetic properties at rough alloyed interfaces of Fe/Co on Au substrates: An augmented space study

Priyadarshini Parida, Biplab Ganguli
Department of Physics & Astronomy, National Institute of Technology Rourkela, Rourkela 769008, India
Abstract  

We studied the interface electronic and magnetic properties of Fe/Co deposited on Au substrate and researched the effects of roughness at the interfaces within augmented space formalism (ASF). The full calculation is carried out by recursion and tight-binding linear muffin tin orbital (TB-LMTO) methods. The amount of roughness is different at different atomic layers. The formalism is also applied to sharp interface, when interdiffusion of atoms is negligible. Our results of one monolayer transition metal agree with other reported results. A realistic rough interface is also modeled with three and four monolayers of transition metals, deposited on Au substrates.

Keywords:  augmented space formalism      tight-binding linear muffin tin orbital      rough interface      magnetic properties  
Received:  17 December 2015      Revised:  18 January 2016      Accepted manuscript online: 
PACS:  73.20.At (Surface states, band structure, electron density of states)  
  75.20.En (Metals and alloys)  
Fund: 

Project supported by the INSPIRE Program Division, Department of Science and Technology, India.

Corresponding Authors:  Biplab Ganguli     E-mail:  biplabg@nitrkl.ac.in

Cite this article: 

Priyadarshini Parida, Biplab Ganguli Electronic and magnetic properties at rough alloyed interfaces of Fe/Co on Au substrates: An augmented space study 2016 Chin. Phys. B 25 057302

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