?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Chryssou&rft.au=Chryssou%2C+CE&rft.aufirst=CE&rft.volume=75&rft.date=October+1999&rft.issue=14&rft.atitle=Evidence+of+energy+coupling+between+Si+nanocrystals+and+Er3%2B+in+ion-implanted+silica+thin+films&rft.issn=0003-6951&rft.title=Applied+Physics+Letters&rft.pages=2011+-+2013&rft.genre=article