Three-dimensional structure of a single colloidal crystal grain studied by coherent x-ray diffraction

被引：15

作者：

Gulden, J. ^{[1
]}

Yefanov, O. M. ^{[1
]}

Mancuso, A. P. ^{[1
,2
]}

Dronyak, R. ^{[1
]}

Singer, A. ^{[1
]}

Bernatova, V. ^{[1
,3
]}

Burkhardt, A. ^{[1
]}

Polozhentsev, O. ^{[1
,4
]}

Soldatov, A. ^{[4
]}

Sprung, M. ^{[1
]}

Vartanyants, I. A. ^{[1
,5
]}

机构：

[1] Deutsch Elektronen Synchrotron DESY, D-22607 Hamburg, Germany

[2] European XFEL GmbH, D-22761 Hamburg, Germany

[3] Safarik Univ, Fac Sci, Kosice 04180, Slovakia

[4] So Fed Univ, Rostov Na Donu 344090, Russia

[5] Natl Res Nucl Univ, MEPhI, Moscow 115409, Russia

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 04期

关键词：

OPTICAL-PROPERTIES; PHOTONIC CRYSTAL; PHASE RETRIEVAL; STACKING-FAULTS; MICROSCOPY; SPHERES;

D O I：

10.1364/OE.20.004039

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A coherent x-ray diffraction experiment was performed on an isolated colloidal crystal grain at the coherence beamline P10 at PETRA III. Using azimuthal rotation scans the three-dimensional (3D) scattered intensity from the sample in the far-field was measured. It includes several Bragg peaks as well as the coherent interference around these peaks. The analysis of the scattered intensity reveals the presence of plane defects in a single grain of the colloidal sample. We confirm these findings by model simulations. In these simulations we also analyze the experimental conditions required to phase the 3D diffraction pattern from a single colloidal grain. This approach has the potential to produce a high resolution image of the sample revealing its inner structure, with possible structural defects. (C) 2012 Optical Society of America

引用

页码：4039 / 4049

页数：11

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