This is a pretty tough topic to find references, there is of course lots and lots of material available in journals but complete presentations free in the net are somewhat hard to come by (take a look e.g. at the scholar google) ... here's something, what field do you have in mind ?
http://pubs.acs.org/cgi-bin/jcen?nalefd/3/i10/html/nl034169x.html
http://www.eng.nus.edu.sg/EResnews/0210/sf/sf_6.html
http://www.cr.org/publications/ICCN2002/pdf/386.pdf
http://www.comppub.com/publications/MSM/2000/pdf/T46.02.pdf
http://www.wag.caltech.edu/home-pages/tahir/kinzokugform.html
http://prola.aps.org/abstract/PRL/v82/i7/p1538_1