%\documentstyle[pamph98,12pt,graphics]{report}
\renewcommand{\baselinestretch}{0.95}
%\begin{document}
%------------------------------------------------------

\begin{center}
{\Large \bf Solid State Physics on Nano-Network Solids }\\
\end{center}

%\vspace{-0.8cm}

\begin{center}
\begin{tabular}[h]{lcl}

Professor          &:&Katsumi~Tanigaki\\

\end{tabular}
\vspace{0.3cm}

(http://www.sspns.phys.tohoku.ac.jp/)\\

\end{center}

\begin{center}
\rule{165mm}{0.3mm}
\end{center}
%\vspace{2mm}

We are currently studying nano size materials comprised of IV$^{th}$-group 
elements of C, Si, Ge and Sn, for achieving new insights to fundamental 
understanding in solid state physics of nano materials, as well as development 
of advanced electronic devices in the next generation. The most typical 
cluster is C$_{60}$, where sixty carbon atoms are self-assembled to a polyhedral 
cluster with high symmetry. Other IV$^{th}$-group elements like Si, Ge and Sn 
have recently been noticed to make similar polyhedra of IV$_{20}$, IV$_{24}$ and 
IV$_{28}$ cage clusters. One of the prominent things on these large size clusters 
is the fact that various types of crystals can be constructed ranging from van 
der Waals crystals to covalent ones. Phonons ranging from intra-cluster to 
lattice vibrations play an important role for determining the electronic states, 
and such situation is very different from that of the conventional materials. 
Phonons, conduction-electrons and magnetic-electrons interplay to produce 
electronic properties that cannot be obtained in the conventional materials. 
The most important researches in this century shall be nano materials science 
and technology. We are exploring novel materials on a basis of nano�@network 
materials and carrying out experiments towards this future dream.

%\end{document}
