Stroboscopic detection of nuclear resonance in an arbitrary scattering channel

被引：1

作者：

Deak, L. ^{[1
]}

Bottyan, L. ^{[1
]}

Callens, R. ^{[2
]}

Coussement, R. ^{[2
]}

Major, M. ^{[3
]}

Nasu, S. ^{[4
]}

Serdons, I. ^{[2
]}

Spiering, H. ^{[5
]}

Yoda, Y. ^{[6
]}

机构：

[1] RMKI, Wigner RCP, H-1525 Budapest, Hungary

[2] Katholieke Univ Leuven, Inst Kern Stralingsfys, B-3001 Leuven, Belgium

[3] Tech Univ Darmstadt, Inst Mat Sci, D-64287 Darmstadt, Germany

[4] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan

[5] Johannes Gutenberg Univ Mainz, Inst Anorgan & Analyt Chem, D-55099 Mainz, Germany

[6] SPring 8 JASRI, Mikazuki, Hyogo 6795198, Japan

来源：

JOURNAL OF SYNCHROTRON RADIATION | 2015年 / 22卷

关键词：

nuclear resonant scattering; stroboscopic detection; multilayer; INCIDENCE ANTIREFLECTION FILMS; SYNCHROTRON-RADIATION; MOSSBAUER-SPECTROSCOPY; DIFFRACTION; POLARIZER;

D O I：

10.1107/S1600577514026344

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The theory of heterodyne/stroboscopic detection of nuclear resonance scattering is developed, starting from the total scattering matrix as a product of the matrix of the reference sample and the sample under study. This general approach holds for all dynamical scattering channels. In the forward channel, which has been discussed in detail in the literature, the electronic scattering manifests itself only in an energy-independent diminution of the scattered intensity. In all other channels, complex resonance line shapes of the heterodyne/stroboscopic spectra are encountered, as a result of the interference of electronic and nuclear scattering. The grazing-incidence case will be evaluated and described in detail. Experimental data of classical X-ray reflectivity and their stroboscopically detected resonant counterpart spectra on the [Fe-nat/Fe-57](10) isotope periodic multilayer and antiferromagnetic [Fe-57/Cr](20) superlattice are fitted simultaneously.

引用

页码：385 / 392

页数：8

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