@misc { 4162, title = {CNT Heterojunction Modeler}, month = {Jun}, url = {https://nanohub.org/resources/heterojunction}, year = {2008}, doi = {doi:10.4231/D3833N014}, author = {Ringgenberg , Joe and Bhattacharjee , Joydeep and Neaton , Jeffrey B. and Grossman , Jeffrey C} }