Abstract: The present invention relates to a fine spherical particle having uniform molecular orientation having uniform molecular orientation, which is useful in fine chemical fields or electronic and information fields, such as a functional material and a medical material, using membrane formation of a bicephalic compound; a spherical microcapsule encapsulating a hydrophilic core substance; and a process for producing the same. The fine spherical particle can be produced by immersing a substrate having hydrophilicity in an aqueous solution of a salt of the compound represented by the following formula (1) to precipitate the fine particle under an acidic atmosphere. wherein R represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms; n is an integer of 8 to 20; and m is an integer of 1 to 3.

Abstract: A method of treating a Langmuir-Blodgett's film which includes one or more built-up monomolecular films of an organic dye is disclosed. The method comprises subjecting the Langmuir-Blodgett's film to a magnetic field to cause the molecules of the organic dye to be aggregated in the J-state.