Vikas Kaushal Quentin Diduck Martin Margala Study of leakage current mechanisms in ballistic deflection transistors. 165-168 2009 ACM Great Lakes Symposium on VLSI http://doi.acm.org/10.1145/1531542.1531584 conf/glvlsi/2009 db/conf/glvlsi/glvlsi2009.html#KaushalDM09