Dielectric layers containing a lanthanum hafnium oxide layer, where the lanthanum hafnium oxide layer is arranged as a structure of one or more monolayers, provide an insulating layer in a variety of structures for use in a wide range of electronic devices....http://www.google.es/patents/US7411237?utm_source=gb-gplus-sharePatente US7411237 - Lanthanum hafnium oxide dielectrics
