A novel bithiazole oligomer containing C60 and its ferro-complexes:: syntheses and magnetic properties

被引：41

作者：

Jiang, LM ^{[1
]}

Sun, WL ^{[1
]}

Weng, J ^{[1
]}

Shen, ZQ ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Polymer Sci & Engn, Hangzhou 310027, Peoples R China

来源：

POLYMER | 2002年 / 43卷 / 04期

基金：

中国国家自然科学基金;

关键词：

modified fullerene; ferro-complex; magnetic property;

D O I：

10.1016/S0032-3861(01)00698-X

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A novel bithiazole oligomer (PCBT) was synthesized from C-60 and the diazo salt of 2,2'-diamino-4,4'-bithiazole (DABT). Its ferro-complex (PCBT-Fe2+) was prepared from PCBT and FeSO4 in DMSO solution under a purified nitrogen atmosphere. The magnetic behavior of PCBT and PCBT-Fe2+ was measured as a function of magnetic field strength (0-60kOe) at 5 K and as a function of temperature (5-300 K) at a magnetic field strength of 30 kOe. PCBT-Fe2+ complex exhibits a hysteresis cycle at 5 K, the observed coercive field (Hc) and remriant magnetization (M-r) are 690 Oe and 0. 12 emu/g, respectively. The results show that PCBT is an anti-ferromagnet and its Fe2+-complex is a soft ferromagnet. (C) 2001 Published by Elsevier Science Ltd.

引用

页码：1563 / 1566

页数：4

共 25 条

[1] ORGANIC MOLECULAR SOFT FERROMAGNETISM IN A FULLERENE-C60 [J].

ALLEMAND, PM ;

KHEMANI, KC ;

KOCH, A ;

WUDL, F ;

HOLCZER, K ;

DONOVAN, S ;

GRUNER, G ;

THOMPSON, JD .

SCIENCE, 1991, 253 (5017) :301-303

[2]

Cotton F. A., 1988, ADV INORG CHEM, P488

[3] Conceptual and synthetic strategies for the preparation of organic magnets [J].

Crayston, JA ;

Devine, JN ;

Walton, JC .

TETRAHEDRON, 2000, 56 (40) :7829-7857

[4] SPIN CONTROL IN ORGANIC-MOLECULES [J].

DOUGHERTY, DA .

ACCOUNTS OF CHEMICAL RESEARCH, 1991, 24 (03) :88-94

[5] POLYMER-BOUND C-60 [J].

GECKELER, KE ;

HIRSCH, A .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1993, 115 (09) :3850-3851

[6] Theoretical tinkering: The search for magnetically ordered organic polymers built from sulfur, carbon, nitrogen-containing five-membered rings [J].

Genin, H ;

Hoffmann, R .

MACROMOLECULES, 1998, 31 (02) :444-455

[7] STUDIES OF ORGANIC DIRADICALS, OLIGORADICALS, AND POLYRADICALS BY MEANS OF THEIR BULK MAGNETIC-PROPERTIES [J].

IWAMURA, H ;

KOGA, N .

ACCOUNTS OF CHEMICAL RESEARCH, 1993, 26 (06) :346-351

[8]

JING XY, 1992, PRACTICAL MANUAL INF, P312

[9]

Kahn O, 1993, MOL MAGNETISM

[10]

KAHN O, 1991, MAGNETIC MOL MAT

← 1 2 3 →