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Article
On the Prospects of Using Polarized-Neutron Reflectometry to Study Helimagnetism in Rare-Earth Thin Films and Nanostructures on the DARIA Compact Neutron Source
The results of studying thin films and superlattices of rare-earth helimagnets Dy and Ho using a neutron reflectometer are presented. Neutron reflectometry is shown to allow the magnetic phase transitions in t...
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Article
Neutron Reflectometry with Detection of the Secondary Radiation: Particle–Wave Method of Determining the Nanoscale Isotope Density Distributions
Different regimes of a neutron wave field are considered. The use of grazing neutron incidence geometry in the regime of standing waves with detection of specularly reflected neutrons and secondary radiation i...
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Article
Gd-Reference-Layer Method in Polarized Neutron Reflectometry
The possibility of using the resonant scattering of neutrons by gadolinium atoms in the reflectometry of polarized neutrons to determine the interaction potential and calculate the structural and magnetic char...
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Article
Magnetism in Ferromagnetic-Superconducting Layered Structures
The review presents the results of studies by neutrons of the magnetism phenomena in ferromagnetic-superconducting inhomogeneous structures carried out by the authors over fifteen years. The presence of superp...
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Article
Study of Helimagnetism in Dy/Ho Superlattice by Neutron Reflectometry
The results of studying a superlattice of alternating layers of rare-earth helimagnets [Dy(6 nm)/Ho (6 nm)] × 34 by neutron reflectometry and X-ray diffraction are presented. It is shown that during the growth...
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Article
Open AccessRefractive index sensor with magnified resonant signal
Herein, we theoretically suggest one-dimensional photonic crystal composed of polymer doped with quantum dots and porous silicon. The present simulated design is proposed as a refractive index biosensor struct...
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Article
Erratum to: Influence of Dimensional Effects on the Curie Temperature of by and Ho Thin Films
An Erratum to this paper has been published: https://doi.org/10.1134/S0031918X21880013
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Article
Open AccessInfluence of Dimensional Effects on the Curie Temperature of Dy and Ho Thin Films
The role of size effects in the formation of the magnetic structure of Dy and Ho thin films in absence of epitaxial strain is studied in this work. It was found that, for Dy in the temperature range between th...
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Article
Investigation of Helimagnetism in Dy and Ho Thin Films by Neutron Reflectometry
In this paper, the results of investigating thin films of rare-earth helimagnetics (REMs) Dy and Ho by polarized neutron reflectometry are presented. It is shown that the growth by magnetron sputtering of rare...
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Article
Polarized Neutron Reflectrometer with the Recording of Neutrons and Gamma Quanta
The neutron reflectometry method is used to measure the spatial profile of the potential of interaction between neutrons and a medium. At the interface between media, the interaction potential is the sum of po...
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Article
Magnetic Properties of Dy Thin Films Grown on Al2O3 Substrates with Different Crystallographic Orientations
Using high-vacuum magnetron sputtering, epitaxial Dy films were synthesized on Nb and Ta buffer layers on single-crystal Al2O3 substrates with different crystallographic orientations. It was established that the ...
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Article
Magnetic and Superconducting Properties of the Heterogeneous Layered Structures V/Fe0.7V0.3/V/Fe0.7V0.3/Nb and Nb/Ni0.65(0.81)Cu0.35(0.19)
The heterogeneous ferromagnetic–superconducting layered heterostructures V/Fe0.7V0.3/V/Fe0.7V0.3/Nb and Nb/Ni0.65(0.81)Cu0.35(0.19), which contain magnetic clusters and ferromagnetic domains, are studied. The mag...
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Article
Grazing-Incidence Neutron Spectrometer Detecting Neutrons and Charged Particles
An ionization chamber is installed to the REMUR neutron spectrometer, situated at channel no. 8 of the IBR-2. A layered structure containing a layer of the isotope under study with a thickness of several nanom...
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Article
Neutron Microbeam from a Planar Waveguide
The angular divergence of a narrow divergent neutron microbeam esca** from the end of a three-layer film waveguide has been measured as a function of the waveguiding layer width and the neutron wavelength. T...
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Article
Reflexivity and Correlation of Magnetic States of Nanostructures in the Nb(70 nm)/Ni0.65Cu0.35(6.5 nm)/Si Ferromagnet–Superconductor Heterostructure
We have studied the Nb(70 nm)/Ni0.65Cu0.35(6.5 nm)/Si layered structure in the temperature range T = 1.5–10 K using polarized neutron reflectometry. The correlation of the states of magnetic structures is observe...
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Article
Neutron Reflectometry Studies of ZnO Films
Textured Al-doped ZnO films are studied using neutron reflectometry. The films are quasiperiodic structures with a period of several nanometers. The films are inhomogeneous in a surface layer with a thickness ...
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Article
Channeling of Neutrons in a Planar Waveguide
The propagation of neutrons in the middle layer of a planar waveguide in the form of a three-layer thin film has been investigated. The microbeam from the end face of the film has been registered. The neutron ...
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Article
Relaxation of the magnetic state of a ferromagnetic–superconducting layered structure
We have proposed a real-time method of neutron reflectometry. The magnetic state of the Ta/V/FM/Nb/Si ferromagnetic–superconducting system has been analyzed. Relaxation of the inhomogeneous magnetic state with...
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Article
Magnetism in structures with ferromagnetic and superconducting layers
The influence of superconductivity on ferromagnetism in the layered Ta/V/Fe1–x V x /V/Fe1–x V x ...
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Article
Application of a cryogenic moderator in the REMUR neutron reflectometer
Examples of the application of a cryogenic moderator in the REMUR time-of-flight neutron reflectometer of the IBR-2 pulsed reactor (Dubna) are given. The results of two experiments are presented: spatial beam ...
