Syntheses and Magnetic Properties of Dye Included Organometallic Magnets: DAMS[MCr(ox)₃]

Zhongze Gu Department of Applied Chemistry, The University of Tokyo, 7-3-1 Kongo Bunkyo-Ku, Tokyo, 113, Japan

O. Sato Kanagawa Academy of Science and Technology, in Tokyo Institute of Polytechnics, 1583 liyama, Atsugi, Kanagawa, 243-02, Japan

T. Iyoda Kanagawa Academy of Science and Technology, in Tokyo Institute of Polytechnics, 1583 liyama, Atsugi, Kanagawa, 243-02, Japan

K. Hashimoto Department of Applied Chemistry, The University of Tokyo, 7-3-1 Kongo Bunkyo-Ku, Tokyo, 113, Japan; Kanagawa Academy of Science and Technology, in Tokyo Institute of Polytechnics, 1583 liyama, Atsugi, Kanagawa, 243-02, Japan

A. Fujishima Department of Applied Chemistry, The University of Tokyo, 7-3-1 Kongo Bunkyo-Ku, Tokyo, 113, Japan

Abstract

A series of dye-included metal complex-based magnets, DAMS[MCr (ox)₃] (DAMS⁺ = 4-[2-(4-dimethylaminophenyl)ethenyl]-l-methylpyridinium cation; M²⁺=Mn²⁺, Fe²⁺, Ni²⁺; ox^2- =Oxalate Ion), were synthesized. In these compounds different kinds of metal cations are bridged to each other by ox²- ions. The compounds have a layered-structure and molecules of DAMS⁺ are enclathrated between the layers. Field-cooled magnetization (FCM) measurement showed that these compounds exhibit magnetic phase transition at 10K, 14K, and 18K respectively.

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Syntheses and Magnetic Properties of Dye Included Organometallic Magnets: DAMS[MCr(ox)3]

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Syntheses and Magnetic Properties of Dye Included Organometallic Magnets: DAMS[MCr(ox)₃]