The 174th Topical Symposium of the Magnetics Society of Japan

The Physics of the “Spin-Crossover”

The oxides and the complex including the transition metal have the crucial role as ceramics, functional polymers and a biological material such as the haem-protein. The d-electrons of the transition metals enclosed by the ligand dominants the characteristic of these materials and d-electrons will take a variety of spin arrangement, which is correlated with the difference of the electronic state. That is, the spin state is united strongly with the electronic state. Moreover, if the spin arrangement can be changed by external stimulation, the change in variegated physical properties accompanied with the change of magnetism can be realized through the change of the electronic state. Actually, “Spin-crossover phenomena” by external stimulation such as the temperature, the magnetic field, and the light irradiation is observed in many materials. In such materials, variegated changes such as the electricity, optics, and thermo-physical properties are observed.

In this symposium, we spotlight “Spin-crossover phenomenon” in the transition metal oxides and the complex. Outstanding researchers will introduce the investigation. We would like a lot of audiences to participate the symposium.

Date: October 8, 2010 (Friday)
Venue: Surugadai Memorial Hall, Room 320, Chuo University
(3-11-5 Kanda-Surugadai, Chiyoda-ku, Tokyo),
tel: 03-3292-3111
In cooperation with: The Japan Society of Applied Physics, The Society of Chemical Engineers. Japan, Japan Society of Coordination Chemistry, The Institute of Electrical Engineers of Japan, The Chemical Society of Japan, The Magneto-Science Society of Japan, The physical Society of Japan, The Spectroscopical Society of Japan, The Japanese Society for Synchrotron Radiation Research, IEEE Mag. Soc. Japan Capter
Admission fee: Free (reserved reader and student)
2,000 Yen (member and corporate member)
4,000Yen (non-member)
Textbook: 1,000 Yen (member, corporate member, non-member and student)
Further information: Please contact to The Magnetics Society of Japan.
TEL. 03-5281-0106
URL: http://www.wdc-jp.com/msj/intro/office.html
Organizers: Y. Kobayashi (Tokyo Medical Univ.)

Program

Chairperson: Y. Kobayashi
13:00-13:05 Introduction
Y. Kobayashi (Tokyo Medical Univ.)
13:05-13:50 “Spin state transition and lattice anomaly in perovskite cobaltite”
K. Asai (Univ. Electro-Commun.)
13:50-14:35 “Spin crossover in CoIII oxides – From the viewpoint of the electronic structure -”
T. Saito (Tokyo Univ. of Science)
Break 14:35-14:50
14:50-15:35 “Field-induced spin state transition in perovskite Co oxides”
K. Sato (Ibaraki National College of Tech.)
15:35-16:20 “Photoexcited state and femto-second dynamics of perovskite cobalt oxide”
Y. Okimoto (Tokyo Inst. Tech.)
16:20-17:05 “Cooperation between the fast spin equilibrium and valence fluctuation, and anomalous magnetic properties of mixed-valence iron complexes”
N. Kojima (Univ. of Tokyo)

*Audio and/or visual recording is prohibited.