?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Scanlon&rft.au=Scanlon%2C+DO&rft.aufirst=DO&rft.volume=107&rft.date=9+December+2011&rft.atitle=Nature+of+the+band+gap+and+origin+of+the+conductivity+of+PbO2+revealed+by+theory+and+experiment.&rft.issue=24&rft.title=Physical+Review+Letters&rft.issn=0031-9007&rft.genre=article