Institute of Solid State andSemiconductor Physics NASB

The basic directions of group works:
1. Probe microscopy of thin organic films (lazerdepopsited metalphthalocyanine and polymer composites, ion-doped polymers, LB-films et al.)
2. Local SPM photoelectric measurements and resistive microscopy.
3. Probe microscopy of multylayared magnetic films with GMR effect.
4. Probe microscopy of nanotubes (Initial stage of work).

Members of group:
Îleg Ìichaylivitch Stukalov, head of group.
Ludmila Valentinovna Kucharenko, ê.ô.-ì.í.

Basic working tool: Femtoscan-001,
Öåíòð ïåðñïåêòèâíûõ òåõíîëîãèé ÌÃÓ, www.spm.genebee.msu.su

Last years main publications:

1. A.V. Misevich, A.E. Pochtenny, Î.Ì. Stukalov, M.O. Gallyamov, I.V. Yaminsky//Atomic Force Microscopy of Sensor Films Containing Copper Phthalocyanine. Probe Microscopy, 2000, submitted.

Abstaract.
Thin films of copper phthalocyanine (CuPc) and of copper phthalocyanine - polystyrene composite (CuPc–PS) were prepared by laser evaporation in vacuum and annealed at 250 *C in air. Relative sensor responses of the films to nitrogen dioxide were compared. It was found that composite film 20wt% CuPC–PS has the highest relative sensor response. Atomic force microscopy (AFM) was applied to investigate the influence of annealing on the structure of films. The AFM topographic images allow to suggest that polymer matrix promotes recrystallization of CuPc under annealing at 200*C and higher, with formation of needle crystals. Annealing at 250*C results in evaporation of polymer matrix. Changes in sensor properties can be explained by the increase of active adsorption area of the film.

2. Pochtenny A.E., Misevich. A.V., Yaminsky I.V., Gallyamov M.O., Solonovich V.K., Stukalov O.M. Nanostructural sensor films of copper phthalocyanine and their polymer composites. In: Physics, Chemistry and Application of Nanostructures. Ed. V.E. Borisenko et al (World Scientific, Singapore, 1999), pp.242-245.

Contact person: Îleg Ìichaylivitch Stukalov.

Àddress: Institute of Solid State andSemiconductor Physics NASB.P. Brovki Str. 17, 220072 Minsk, Belarus/
Tel.: (017) 2841182
Fax: (017) 2840888
E-mail: nanom@ifttp.bas-net.by