Search Results - "I. Schelokov"

Analytical Approach to the Theory of X-Ray Observation of Pores in Bulk Materials by Schelokov, I. A., Popov, N. L., Vinogradov, A. V.

“…We analytically study the problem of pore detection and certification in bulk objects by means of radiography. For an absorbent sample, the optimum thickness…”
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High energy X-ray phase contrast microscopy using a circular Bragg-Fresnel lens by Snigirev, A., Snigireva, I., Bösecke, P., Lequien, S., Schelokov, I.

“…High energy X-ray phase contrast microscopy based on Bragg-Fresnel optics with submicrometer resolution was demonstrated. An X-ray image of a free-standing…”
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X-ray simulations method for the large field of view by Schelokov, I.A., Grigoriev, M.V., Chukalina, M.V., Asadchikov, V.E.

“…In the standard approach, X-ray simulation is usually limited to the step of spatial sampling to calculate the convolution of integrals of the Fresnel type…”
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Synthesis, Structure and Thermophysical Properties of Phosphates MNi0.5Zr1.5(PO4)3 (M = Mg, Ca, Sr) by M. V. Sukhanov, I. A. Schelokov, V. I. Petkov, E. R. Gobechiya, Yu. K. Kabalov, A. V. Markin, N. N. Smirnova

“…New phosphates MNi0.5Zr1.5(PO4)3 (M = Mg, Ca, Sr) were prepared by the precipitating method. Phosphates were characterized using X-ray powder diffraction,…”
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Principles of X-ray diffractometry of surface acoustic waves by Schelokov, I. A.

“…Theoretical fundamentals of modern methods of X-ray diffractometry of surface acoustic waves (SAW) are considered briefly. X-ray diffraction on SAW-modulated…”
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Second generation of grazing-incidence-phase Fresnel zone plates by Schelokov, I.A., Roshchupkin, D.V., Kondakov, A.S., Irzhak, D.V., Brunel, M., Tucoulou, R.

“…Second generation of grazing-incidence-phase Fresnel zone plates is presented in this paper. The term grazing-incidence discrete Fresnel lens (GIDFL) for these…”
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X-ray diffraction from perfect silicon crystals distorted by surface acoustic waves by Tucoulou, R., Pascal, R., Brunel, M., Mathon, O., Roshchupkin, D. V., Schelokov, I. A., Cattan, E., Remiens, D.

“…High‐resolution X‐ray diffraction measurements were carried out on ZnO/Si devices under surface acoustic wave excitation and revealed some very clear satellite…”
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Two-dimensional X-ray focusing by grazing incidence phase Fresnel zone plates in Kirkpatrick-Baez scheme by Schelokov, I.A., Roshchupkin, D.V., Kondakov, A.S., Yakshin, A.E., Tucoulou, R., Brunel, M.

“…Results of experimental studies using grazing incidence phase Fresnel zone plates for two-dimensional X-ray focusing in the Kirkpatrick-Baez scheme and…”
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Contrast formation by a laboratory microtomograph in the scheme with analyzer crystal in the asymmetric bragg geometry by Schelokov, I. A., Chukalina, M. V., Asadchikov, V. E.

“…A method of numerical simulation of X-ray optical systems is presented. This method has been used to analyze the operation of a unit of a laboratory…”
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Diffraction of a focused X-ray beam by surface acoustic waves by Tucoulou, R., Schelokov, I.A., Roshchupkin, D.V., Brunel, M., Ortega, L., Chevallier, P.

“…This paper reports the first attempt to carry out a focusing followed by a space-time scanning of a synchrotron X-ray beam. The focusing is performed through…”
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X-ray diffraction on a multilayer mirror modulated by surface acoustic waves by Roshchupkin, D.V., Schelokov, I.A., Tucoulou, R., Brunel, M.

“…This paper reports the investigation of the X-ray Bragg diffraction on a multilayer mirror modulated by a short wavelength (12 μm) surface acoustic wave…”
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X-ray diffraction by standing surface acoustic waves by Roshchupkin, D.V, Tucoulou, R, Masclet, A, Brunel, M, Schelokov, I.A, Kondakov, A.S

“…X-ray diffraction by standing surface acoustic waves was investigated under total external reflection conditions. A standing surface acoustic wave was formed…”
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Electromigration in Al thin films induced by surface acoustic waves: application to imaging by Tucoulou, R., Brunel, M., Roshchupkin, D.V., Schelokov, I.A., Colin, J., Grilhe, J.

“…The propagation of a high amplitude surface acoustic wave in an Al thin film induces a large-scale electromigration phenomenon resulting in a permanent etching…”
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Design and Characterization of Phosphate-Containing Ceramics with Kosnarite- and Langbeinite-Type Structures for Industrial Applications by V. Pet Kov, E. Asabina, M. Sukhanov, I. Schelokov, A. Shipilov, A. Alekseev

“…Crystal-chemical approach provided the scientific basis for the design of new compounds with desirable structure and properties. We systemized our and…”
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Space-time modulation of an X-ray beam by ultrasonic superlattice by Roshchupkin, D.V., Schelokov, I.A., Tucoulou, R., Brunel, M.

“…Space-time modulation of an X-ray beam is investigated by total external reflection on a YZ-cut of a LiNbO/sub 3/ crystal modulated by surface acoustic waves…”
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X-ray focusing by a 1D-grazing incidence Fresnel zone plate modulated by a surface acoustic wave by Roshchupkin, D.V., Schelokov, I.A., Tucoulou, R., Kondakov, A.S., Brunel, M.

“…We present experimental and theoretical results of X-ray focusing by a grazing incidence phase Fresnel zone plate modulated by a surface acoustic wave. The…”
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Reconstruction of an object phase transmission function from in-line X-ray holograms by Schelokov, I., Weitkamp, T., Snigirev, A.

“…An approach to image formation of phase objects in partially-coherent X-ray radiation, based on stationary phase method is presented. Restrictions on…”
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Reconstruction of an object phase transmission function from in-line X-ray holograms by SCHELOKOV, I, WEITKAMP, T, SNIGIREV, A

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Two-dimensional X-ray focusing by a phase Fresnel zone plate at grazing incidence by Basov, Yu.A, Roshchupkin, D.V, Schelokov, I.A, Yakshin, A.E

“…A phase Fresnel zone plate for two-dimensional X-ray focusing at grazing incidence was fabricated. A 4 × 1 μm 2 X-ray source image was obtained for wavelength…”
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Dynamical theory for calculations of X-ray spectra from crystals modulated by surface acoustic waves by Schelokov, Igor A., Roshchupkin, Dmitry V., Irzhak, Dmitry V., Tucoulou, Remi

“…The dynamical theory was used to model X‐ray diffraction by the YZ‐cut of an LiNbO3 crystal modulated by surface acoustic waves (SAWs). It includes both the…”
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