AN ORGANIC FERROMAGNET WITH A T-C OF 0.4 K - 4-(P-PHENYLBENZYLIDENEAMINO)-2,2,6,6-TETRAMETHYLPIPERIDIN-1-OXYL

被引:67
作者
ISHIDA, T
TSUBOI, H
NOGAMI, T
YOSHIKAWA, H
YASUI, M
IWASAKI, F
IWAMURA, H
TAKEDA, N
ISHIKAWA, M
机构
[1] UNIV ELECTROCOMMUN, DEPT APPL PHYS & CHEM, CHOFU, TOKYO 182, JAPAN
[2] UNIV TOKYO, FAC SCI, DEPT CHEM, BUNKYO KU, TOKYO 113, JAPAN
[3] UNIV TOKYO, INST SOLID STATE PHYS, MINATO KU, TOKYO 106, JAPAN
关键词
D O I
10.1246/cl.1994.919
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The polycrystalline sample of the title radical has a positive Weiss constant of 0.63 K. The ac susceptibility measurements indicated a ferromagnetic phase transition at about 0.4 K. The magnetization measured at 80 mK (below T-c) showed a characteristic curve of a ferromagnet with a small hysteresis. The X-ray crystal structure analysis at room temperature revealed a two-dimensional network of the N-O sites (O...O distances are 5.96 and 6.09 Angstrom) with an inter-sheet distance of 14.2 Angstrom.
引用
收藏
页码:919 / 922
页数:4
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