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Article
On the Spectrum of Interlayer Roughnesses in a Phospholipid Multilayer
The spectral properties of the correlation function of the heights of interlayer boundaries in a lamellar 1,2‑distearoyl-sn-glycero-3-phosphocholine film deposited on the surface of the hydrosol of amorphous s...
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Article
Electrostatic and Structural Effects at the Adsorption of Polylysine on the Surface of the DMPS Monolayer
The effect of the adsorption of a polypeptide on the lateral interaction of dimyristoylphosphatidylserine molecules in different phase states on the surface of a 10 mM KCl aqueous solution has been studied. Ch...
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Article
On the Diffuse Structure of the Toluene–Water Interface
The electric density profile along the normal to the phase interface between aromatic hydrocarbon toluene and water has been studied by X-ray reflectometry using synchrotron radiation. According to the experim...
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Article
Model-Independent X-Ray Scattering Study of a Silica Sol Surface
The structure of the adsorbed layer of alkali ions on the surface of colloidal silica solutions with a particle size of 27 nm has been studied by reflectometry and diffuse scattering of synchrotron radiation w...
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Article
X-Ray Study of Thermotropic Mesophases of an Adsorbed n-Triacontanol Film at the n-Hexadecane–Water Interface
Using synchrotron radiation with a photon energy of 15 keV, the molecular structure of an adsorbed n-triacontanol layer at the n-hexadecane–water interface in its different phase states has been studied by the di...
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Article
Diffuse X-ray scattering near a two-dimensional liquid–vapor phase transition at the n-hexane–water interface
The molecular structure of neutral n-triacontanol mesophases at the n-hexane–water interface has been studied by diffuse X-ray scattering using synchrotron radiation. According to the experimental data, a transit...
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Article
X-ray study of the structure of phospholipid monolayers on the water surface
The possibility of laboratory X-ray reflectometry study of the structure of dimyristoyl phosphatidylserine (DMPS) phospholipid monolayers on the water surface in various phase states has been demonstrated.
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Article
Thermotropic phase transition in an adsorbed melissic acid film at the n-hexane–water interface
A reversible thermotropic phase transition in an adsorption melissic acid film at the interface between n-hexane and an aqueous solution of potassium hydroxide (pH ≈ 10) is investigated by X-ray reflectometry and...
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Article
Kinetics of the formation of a phospholipid multilayer on a silica sol surface
The ordering of a multilayer consisting of DSPC bilayers on a silica sol substrate is studied within the modelindependent approach to the reconstruction of profiles of the electron density from X-ray reflectom...
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Article
Diffuse X-ray scattering near a two-dimensional solid–liquid phase transition at the n-hexane–water interface
According to experimental data on X-ray scattering and reflectometry with synchrotron radiation, a twodimensional crystallization phase transition in a monolayer of melissic acid at the n-hexane–water interfac...
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Article
Solid–liquid phase transition in a Gibbs monolayer of melissic acid at the n-hexane–water interface
A sharp phase transition from a crystalline state with the area per molecule A = (17 ± 1) Å2 to a liquid state with A = (23 ± 1) Å2 at the n-hexane–water interface in a Gibbs monolayer of melissic acid has been r...
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Article
On the formation of a macroscopically flat phospholipid membrane on a hydrosol substrate
The dependence of the structure of a phospholipid layer (DSPC and SOPC) adsorbed on a hydrosol substrate on the concentration of NaOH in a solution of 5-nm silica particles has been studied by X-ray reflectrom...
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Article
Nonlinear absorption of radio waves in a noncollinear antiferromagnet
The nonlinear absorption of radio waves (200–800 MHz) in a noncollinear cubic antiferromagnet Mn3Al2Ge3O12 in an external magnetic field H ‖ [001] has been studied in the temperature range of 1.2–4.2 K. We attrib...
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Article
Nuclear magnetic resonance in noncollinear antiferromagnet Mn3Al2Ge3O12
The 55Mn nuclear magnetic resonance spectrum of noncollinear 12-sublattice antiferromagnet Mn3Al2Ge3O12 has been studied in the frequency range of 200–640 MHz in the external magnetic field H ‖ [001] at T = 1.2 K...
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Article
Condensation of silica nanoparticles on a phospholipid membrane
The structure of the transient layer at the interface between air and the aqueous solution of silica nanoparticles with the size distribution of particles that has been determined from small-angle scattering h...
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Article
Multilayer of phospholipid membranes on a hydrosol substrate
The molecular structure of a multilayer of 1,2-distearoyl-sn-glycero-3-phosphocholine (DSPC) adsorbed on the surface of the hydrosol of silica nanoparticles has been studied by the synchrotron radiation scatte...
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Article
On the NMR spectrum in antiferromagnetic CsMnI3
An explanation is proposed for the spin-reduction anisotropy observed in an investigation of NMR in the noncollinear six-sublattice antiferromagnet CsMnI3.
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Article
On a new type of sublattice tip** in noncollinear antiferromagnets
An explanation is offered for the 30° tip** of sublattices which has been observed in the noncollinear antiferromagnet CsMnI3. In contrast to the ordinary 90° spin flop, this phase transition is due to nonlinea...
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Article
New phase transition in an easy-axis “triangular” antiferromagnet
The NMR of 55Mn in the quasi-one-dimensional noncollinear anti-ferromagnet CsMnI3 is investigated at T=1.3 K in magnetic fields up to ∼80 kOe and angles between the field and C 6 axis ϕ≈ 0.5° and ϕ=7°. A new reor...
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Article
Observation of spin-reduction anisotropy in the quasi-one-dimensional antiferromagnet CsMnI3
The NMR of 55Mn in the quasi-one-dimensional noncollinear antiferromagnet CsMnI3 at T=1.3 K is investigated in magnetic fields up to ∼40 kOe. Six NMR branches corresponding to six manganese spins per magnetic uni...