Process for preparing ferromagnetic material

Details Process for preparing ferromagnetic material Process for preparing ferromagnetic material

1995-03-23

1996-08-13

Bonner, Melissa

Compositions

Magnetic

Iron-oxygen compound containing

25229961, 25229901, C09K 1902, H01F 142

Patent

active

055453414

ABSTRACT:
There is provided a process for preparing a ferromagnetic material, wherein at least 2 kinds of paramagnetic compounds preferably organic paramagnetic compounds, capable of manifesting a so-called mesophase between a solid phase, and a liquid phase are mixed with each other in a liquid phase or mesophase state. Preferred paramagnetic compounds are compounds containing a paramagnetic metal complex moiety in the molecular skeleton thereof, and a preferred complex moiety is a porphyrin complex. Preferred metal nuclei are Cu, V, Co, Mo, Ag, and Fe. The planes of the molecules of each of the paramagnetic metal porphyrin complexes in a mesophase thereof are oriented in parallel with each other on a time-average basis.

REFERENCES:
Lelievre et al, "Diameric Substituted Copper Phthalocyanine Liquid Crystals. Synthesis, Characterization and Magnetic Properties", J.Am. Chem. Soc., 1992, pp. 4475-4479. no month.

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