A NOVEL CLASS OF FERROMAGNETIC MATERIALS

被引：4

作者：

NATH, A ^{[1
]}

KOPELEV, N ^{[1
]}

TYAGI, SD ^{[1
]}

CHECHERSKY, V ^{[1
]}

WEI, Y ^{[1
]}

机构：

[1] DREXEL UNIV,DEPT PHYS,PHILADELPHIA,PA 19104

来源：

MATERIALS LETTERS | 1993年 / 16卷 / 01期

关键词：

D O I：

10.1016/0167-577X(93)90180-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have prepared a class of stable ferromagnetic materials with high Curie temperatures by thermal treatment of transition metal phthalocyanines, MnPc, FePc, CoPc or NiPc, for several hours at 500-700-degrees-C in inert ambient. Part of the phthalocyanine ring is pyrolyzed with corresponding loss in mass. Mossbauer studies of FePc and Co(Co-57)Pc indicate that the MeN4 moiety and the aromatic character of the ring are retained, and that there is fairly strong interaction between the central atom and axially situated aromatic rings or nitrogens of neighboring coplanar rings. The axial interactions provide a pathway for ferromagnetism.

引用

页码：39 / 44

页数：6

共 18 条

[1] PREPARATION, MOLECULAR-STRUCTURES AND NOVEL MAGNETIC-PROPERTIES OF ORGANIC FERROMAGNETIC COMPOUNDS BY PYROLYSIS OF TRIPHENOXY-TRIAZINE AND BENZOGUANAMINE [J].