\begin{thebibliography}{22}
\expandafter\ifx\csname natexlab\endcsname\relax\def\natexlab#1{#1}\fi
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  \def\bibnamefont#1{#1}\fi
\expandafter\ifx\csname bibfnamefont\endcsname\relax
  \def\bibfnamefont#1{#1}\fi
\expandafter\ifx\csname citenamefont\endcsname\relax
  \def\citenamefont#1{#1}\fi
\expandafter\ifx\csname url\endcsname\relax
  \def\url#1{\texttt{#1}}\fi
\expandafter\ifx\csname urlprefix\endcsname\relax\def\urlprefix{URL }\fi
\providecommand{\bibinfo}[2]{#2}
\providecommand{\eprint}[2][]{\url{#2}}

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\bibitem[{\citenamefont{Rijnders and Blank}(2005)}]{Rijnders2005}
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\bibitem[{\citenamefont{Junquera and Ghosez}(2008)}]{junquera08}
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\bibitem[{\citenamefont{Zhong and Vanderbilt}(1995)}]{Zhong1995-2}
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\bibitem[{\citenamefont{Fornari and Singh}(2001)}]{Fornari2001}
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\bibitem[{\citenamefont{Benedek and Fennie}(2011)}]{benedek2011}
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\bibitem[{\citenamefont{Ceperley and Alder}(1980)}]{Ceperley1980}
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\bibitem[{\citenamefont{G. and J.}(1993)}]{VASP4}
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\bibitem[{\citenamefont{Kress and F$\mbox{\"u}$rthmuller}(1996)}]{VASP2}
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\bibitem[{\citenamefont{Monkhorst and Pack}(1976)}]{Monkhorst1976}
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\bibitem[{\citenamefont{P.}(1999)}]{PAW1}
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\bibitem[{\citenamefont{G. and D.}(1999)}]{PAW2}
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\bibitem[{\citenamefont{King-Smith and Vanderbilt}(1993)}]{King-Smith1993}
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\bibitem[{\citenamefont{Dieguez et~al.}(2005)\citenamefont{Dieguez, Rabe, and
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\bibitem[{\citenamefont{Christen et~al.}(1998)\citenamefont{Christen, Knauss,
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  \bibnamefont{Harshavardhan}}, \bibinfo{journal}{Materials Science and
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\bibitem[{\citenamefont{Specht et~al.}(1998)\citenamefont{Specht, Christen,
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\bibitem[{\citenamefont{Kleibeuker et~al.}(2010)\citenamefont{Kleibeuker,
  Koster, Siemons, Dubbink, Blok, Yang, Ravichandran, Ramesh, ten Elshof, Blank
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\bibinfo{author}{\bibfnamefont{J.}~\bibnamefont{Kleibeuker}},
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  \bibinfo{author}{\bibfnamefont{D.}~\bibnamefont{Blank}},
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\end{thebibliography}
