Magnetic properties of Cs+ and (CH3)4N+ salts of TCNQ
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作者:
Inokuchi, M
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机构:
Sci Univ Tokyo, Fac Sci & Engn, Dept Mat Sci & Engn, Onoda, Yamaguchi 7560884, JapanSci Univ Tokyo, Fac Sci & Engn, Dept Mat Sci & Engn, Onoda, Yamaguchi 7560884, Japan
Inokuchi, M
[1
]
Suzuki, K
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机构:Sci Univ Tokyo, Fac Sci & Engn, Dept Mat Sci & Engn, Onoda, Yamaguchi 7560884, Japan
Suzuki, K
Kinoshita, M
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机构:Sci Univ Tokyo, Fac Sci & Engn, Dept Mat Sci & Engn, Onoda, Yamaguchi 7560884, Japan
Kinoshita, M
Hosokoshi, Y
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机构:Sci Univ Tokyo, Fac Sci & Engn, Dept Mat Sci & Engn, Onoda, Yamaguchi 7560884, Japan
Hosokoshi, Y
Inoue, K
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机构:Sci Univ Tokyo, Fac Sci & Engn, Dept Mat Sci & Engn, Onoda, Yamaguchi 7560884, Japan
Inoue, K
机构:
[1] Sci Univ Tokyo, Fac Sci & Engn, Dept Mat Sci & Engn, Onoda, Yamaguchi 7560884, Japan
[2] Inst Mol Sci, Okazaki, Aichi 4448585, Japan
来源:
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
|
2002年
/
376卷
关键词:
TCNQ salt;
(CH3)(4)N](TCNQ)(1.5);
Cs(TCNQ)(1.5);
magnetic properties;
molecular conductor;
D O I:
10.1080/10587250210798
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
Cs(TCNQ)(1.5) and [(CH3)(4)N](TCNQ)(1.5) were prepared with using chemicals and solvents purified carefully and were recrystallized under an inert atmosphere to minimize the effect of air. We investigated their magnetic properties and the effect of oxygen on the magnetism. It was found that both paramagnetic susceptibilities (chi(p)) of Cs(TCNQ)(1.5) and [(CH3)(4)N](TCNQ)(1.5) were very small, especially chi(p) of Cs(TCNQ)(1.5) was remarkably small such as 10 similar to40 x 10(-6) emu.mol(-1) all over the temperature region. After the specimen was exposed to air, chi(p) was measured again; for Cs(TCNQ)1.5, Xp increased clearly by about 20 x 10(-6) emu.mol(-1); however for [(CH3)4N](TCNQ)1.5, Xp was not changed. This result suggests that the magnetism of the Cs salt was sensitive to oxygen and that the Me4N salt is stable to air.