@article{paperid:1038159,
author = {Khoshgoftar Maher, Maliheh and Shahtahmassebi, Nasser and Rezaee Roknabadi, Mahmood},
title = {The effect of impurity on a spin- fi lter device based on graphene},
journal = {Physica E},
year = {2013},
volume = {54},
number = {1},
month = {August},
issn = {1386-9477},
pages = {93--97},
			numpages = {4},
keywords = {Spin transport
Graphene nanoribbons
Boron impurity atoms
Hubbard model
Landauer formalism
Green function
\'
s technique},
}