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147th Forums (3.31.2009)
Topic: Size-dependent Properties Nanocrystalline Anatase TiO2 Films
Lecturer: Prof. Hubert Gnaser
Time: 3.31.2009 10:00 A.M.

This lecture was established in
January, 2002. The Lecturers are
come from IOP.
6th Lecture of 2008
by Prof. Zhaohua Cheng
On March 24th
.Yu Lu Wins AIP Tate Medal
.2nd Beijing-Grenoble Meeting on Condensed Matter Physics Beijing, November 19-21, 2007
.Noble Laureate Prof.Douglas Dean Osheroff Visit Our Institute
Latest Progress
Multiple Phase Transitions in Single-Crystalline Na1-δFeAs
Specific heat, resistivity, susceptibility, and Hall coefficient measurements were performed on highquality single-crystalline Na1-δFeAs. This compound is found to undergo three successive phase transitions at around 52, 41, and 23 K, which correspond to structural, magnetic, and superconducting transitions, respectively. The Hall effect result indicates the development of energy gap at low temperature due to the occurrence of spin-density-wave instability. Our results provide direct experimental evidence of the magnetic ordering in the nearly stoichiometric NaFeAs. (mroe...)
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