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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Synchrotron+Radiat
2016 ; 23
(Pt 5
): 1210-5
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Hard X-ray polarizer to enable simultaneous three-dimensional nanoscale imaging
of magnetic structure and lattice strain
#MMPMID27577777
Logan J
; Harder R
; Li L
; Haskel D
; Chen P
; Winarski R
; Fuesz P
; Schlagel D
; Vine D
; Benson C
; McNulty I
J Synchrotron Radiat
2016[Sep]; 23
(Pt 5
): 1210-5
PMID27577777
show ga
Recent progress in the development of dichroic Bragg coherent diffractive
imaging, a new technique for simultaneous three-dimensional imaging of strain and
magnetization at the nanoscale, is reported. This progress includes the
installation of a diamond X-ray phase retarder at beamline 34-ID-C of the
Advanced Photon Source. The performance of the phase retarder for tuning X-ray
polarization is demonstrated with temperature-dependent X-ray magnetic circular
dichroism measurements on a gadolinium foil in transmission and on a Gd5Si2Ge2
crystal in diffraction geometry with a partially coherent, focused X-ray beam.
Feasibility tests for dichroic Bragg coherent diffractive imaging are presented.
These tests include (1) using conventional Bragg coherent diffractive imaging to
determine whether the phase retarder introduces aberrations using a nonmagnetic
gold nanocrystal as a control sample, and (2) collecting coherent diffraction
patterns of a magnetic Gd5Si2Ge2 nanocrystal with left- and right-circularly
polarized X-rays. Future applications of dichroic Bragg coherent diffractive
imaging for the correlation of strain and lattice defects with magnetic ordering
and inhomogeneities are considered.