Low-temperature magnetic properties of the 2D molecular ferrimagnet N(n-C5H11)4 [FeIIFeIII(C2O4)3]

被引:2
作者
Bottyán, L
Kiss, L
Ovanesyan, NS
Pyalling, AA
Sanina, NA
Kashuba, AB
机构
[1] KFKI, Res Inst Particle & Nucl Phys, H-1525 Budapest, Hungary
[2] Inst Solid State Phys & Opt, H-1525 Budapest, Hungary
[3] Russian Acad Sci, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Region, Russia
[4] Russian Acad Sci, LD Landau Theoret Phys Inst, Chernogolovka 142432, Moscow Region, Russia
基金
匈牙利科学研究基金会;
关键词
D O I
10.1134/1.568248
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Fe-57 Mossbauer and magnetometric studies of the molecular ferrimagnet N(n-C5H11)(4) [(FeFeIII)-Fe-II(C2O4)(3)] are indicative of a 2D magnetic character with strong uniaxial anisotropy in the basal plane of the crystal. It is established that the change in the sign of the net magnetization of this compound is related to a compensation between Fe-III and Fe-II sublattice magnetizations at T-comp = 31.2 K. The form and parameters of the magnetic Hamiltonian describing the temperature dependence of the Fe-III sublattice and the net magnetizations are determined. (C) 1999 American Institute of Physics. [S0021-3640(99)00922-6].
引用
收藏
页码:697 / 701
页数:5
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