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{\Large \bf Actinide Physics Group}\\
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Professor          &:& Jun$^{\prime}$ichiro~Mizuki\\
Associate Professor &:&Naoto~Metoki~and~Yasuji~Muramatsu\\
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\noindent
Study of 5$f$ electron system in actinide compounds is one of the most 
important subject in
condensed matter physics. For example, the discovery of ferromagnetic 
superconductors
UGe$_2$ and URhGe and the high-$T_{\rm c}$ heavy fermion superconductivity 
PuCoGa$_5$
attract strong interest in the field of strongly correlated electron systems.
The purpose of this research group is to construct a new concept in 
materials science by means
of neutron and synchrotron radiation x-ray scattering study of the actinide 
compounds.
This group is established with the collaboration of Tohoku university and 
Japan Atomic Energy
Research Institute, JAERI. This collaboration has two advantages. First, 
JAERI is the international center of actinide science, where actinide 
element can be easily treated
and high quality single crystalline samples are grown by sample preparation 
group.
There are many collaborating research groups; neutron scattering, NMR, and 
theory groups.
Second the research reactor JRR-3 and SPring-8 are the powerful neutron and 
x-ray source, where JAERI staff has own sophisticated instruments for our 
purpose.

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%    2. Atomic structures of surface and interface in metals and semiconductors
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     Surfaces of solid, liquid, and interfaces between them, are also 
studied in SPring-8.
	Surface and interface physics is fascinating both from a
     fundamental and a technological point of view. Structural studies
     of these systems are of considerable importance for the elucidation
     of surface and interface phenomena. We would like to focus on the
     investigation on the MBE crystal growth of III-V semiconductors by
     in-situ X-ray diffraction, and on the interface structure of
     electro-chemical system in order to understand and control the
     electron transfer occurred at the interface.
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