Resonant x-ray intensity enhancement in a two-layer crystalline heterostructure

Prudnikov, I. R.

doi:10.1103/physrevb.66.193309

Cited by 5 publications

(2 citation statements)

References 14 publications

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“…The interference of reflected X-ray waves from these areas leads to the splitting of the main peak and the first satellite. This effect is equivalent to the splitting of rocking-curve profiles under diffraction conditions from a GaAs/Al 0.5 Ga 0.5 As/GaAs(001) bilayer heterostructure, where the Al 0.5 Ga 0.5 As layer is a gap of a certain thickness between the upper crystal and the substrate (Prudnikov, 2002).…”

Section: Discussionmentioning

confidence: 99%

The dynamical theory of diffraction in a crystal modulated by a surface acoustic wave in the case of spatially restricted X-ray beams

Пунегов¹

2019

J Appl Cryst

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The dynamical theory of X‐ray diffraction in a crystal modulated by a surface acoustic wave (SAW) is developed for spatially restricted beams. It is shown that this approach is applicable to X‐ray reciprocal space mapping. Rayleigh's surface‐wave model is used to describe ultrasonic excitation. Based on the recurrent relations, a numerical simulation of the dynamical diffraction in a crystal modulated by a SAW is performed. Within the framework of the triple‐axis diffraction scheme, the effect of the instrumental function on X‐ray diffraction data is studied.

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Section: Discussionmentioning

confidence: 99%

The dynamical theory of diffraction in a crystal modulated by a surface acoustic wave in the case of spatially restricted X-ray beams

Пунегов¹

2019

J Appl Cryst

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“…By using numerical simulation, Prudnikov (2002Prudnikov ( , 2003 has revealed that along with critical-angle specular reflection, high-angle Bragg (dynamical) diffraction by perfect crystals and Bragg reflections from artificial multilayer structures can produce the X-ray guided modes. The purpose of the present paper is to describe analytically features of the X-ray guided modes generated by Bragg reflections of the periodical multilayers (Prudnikov, 2003).…”

Section: Introductionmentioning

confidence: 99%

X-ray guided modes produced by Bragg reflections of multilayers: an analytical treatment

Prudnikov

2005

J Appl Cryst

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It is analytically shown that X‐ray Bragg reflections from periodical multilayer structures can be used for the excitation of guided modes. The X‐ray guided modes in (i) a guiding film embedded in a periodical multilayer and (ii) an air gap between two space‐separated multilayers have been considered. In the former case, analytical expressions have been obtained which describe a resonant X‐ray intensity enhancement taking place inside the guiding film under the guided mode excitation. Optimal parameters of the waveguide have been found, which are needed to achieve a maximum intensity gain. In the latter case, eigen guided modes arising in the air gap have been determined. Properties of the eigen modes have been studied.

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Transverse electric (TE) and transverse magnetic (TM) X-ray guided modes in a two-layer crystalline heterostructure: A comparison

Prudnikov¹

2012

Physica B: Condensed Matter

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Resonant x-ray intensity enhancement in a two-layer crystalline heterostructure

Cited by 5 publications

References 14 publications

The dynamical theory of diffraction in a crystal modulated by a surface acoustic wave in the case of spatially restricted X-ray beams

The dynamical theory of diffraction in a crystal modulated by a surface acoustic wave in the case of spatially restricted X-ray beams

X-ray guided modes produced by Bragg reflections of multilayers: an analytical treatment

Transverse electric (TE) and transverse magnetic (TM) X-ray guided modes in a two-layer crystalline heterostructure: A comparison

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