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М. N. Shipko^1,2, N. V. Usol'tseva¹, А. L. Sibirev², О. М. Мaslennikova², А. I. Smirnova¹, М. А. Stepovich⁴, G. F. Gabdulsadykova⁵

Author affiliations
¹Nanomaterials Research Institute, Ivanovo State University,
39 Ermak St., Ivanovo, 153025, Russia
E-mail: nv_usoltseva@mail.ru
²Ivanovo State Power Engineering University,
34 Rabfakovskaya St., Ivanovo, 153003, Russia
E-mail: michael-1946@mail.ru
³Central State Medical Academy by the Administration of the President of the Russian Federation,
19 Marshal Timoshenko St., bld. 1, Moscow, 121359, Russia
E-mail: om_shipko@mail.ru
⁴Kaluga State University,
26 Stepan Razin St., Kaluga, 248023, Russia
E-mail: m.stepovich@mail.ru
⁵Ivanovo State Medical Academy,
8 Sheremetevsky Ave, Ivanovo, 153012, Russia

Abstract
The influence of electromagnetic field pulses on the positional order of associates (micelles) in aqueous solutions of cetyltrimethylammonium bromide (CTAB) with a concentration of 0,14 ÷ 54,88 × 10^–3 M was investigated. The method of gas-discharge visualization (GDV) has been used to study their positional order for the first time. The method provides obtaining of stereographic projections of electron emission patterns from solution. The obtained pictures of gas-discharge glow of solutions allowed to establish the existence of planes with the closest packing of micelles, their spatial orientation, and as a consequence, a symmetry class of the structure formed in solution was also determined. The sequence of structural transformations in solution after exposure to magnetic field pulses at various CTAB concentrations was studied.

Keywords: cetyltrimethylammonium bromide, gas-discharge glow, electron emission, positional order, micelles