1.Nature Nanotechnology 4, 523 - 527 (2009)
Evidence of intrinsic ferromagnetism in individual dilute magnetic semiconducting nanostructures
http://www.nature.com/nnano/journal/v4/n8/abs/nnano.2009.181.html
2.Magnetic coupling properties of rare-earth metals (Gd, Nd) doped ZnO: First-principles calculations
Hongliang Shi, Ping Zhang, Shu-Shen Li, and Jian-Bai Xia
J. Appl. Phys. 106, 023910 (2009)
http://scitation.aip.org/vsearch/servlet/VerityServlet?KEY=FREESR&smode=strresults&sort=chron&maxdisp=25&threshold=0&possible1=ZnO&possible1zone=article&bool1=and&possible2=first-principles&possible2zone=article&OUTLOG=NO&viewabs=JAPIAU&key=DISPLAY&docID=5&page=1&chapter=0