Journal Article

PUBDB-2018-00378

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Bragg projection ptychography on niobium phase domains

Burdet, N. (Corresponding author) ; Shi, X. ; Clark, J. N.DESY* ; Huang, X. ; Harder, R. ; Robinson, I.

2017
APS Woodbury, NY

This record in other databases:      

Please use a persistent id in citations: doi:10.1103/PhysRevB.96.014109  doi:10.3204/PUBDB-2018-00378

Abstract: Bragg projection ptychography (BPP) is a coherent x-ray diffraction imaging technique which combines the strengths of scanning microscopy with the phase contrast of x-ray ptychography. Here we apply it for high resolution imaging of the phase-shifted crystalline domains associated with epitaxial growth. The advantages of BPP are that the spatial extent of the sample is arbitrary, it is nondestructive, and it gives potentially diffraction limited spatial resolution. Here we demonstrate the application of BPP for revealing the domain structure caused by epitaxial misfit in a nanostructured metallic thin film. Experimental coherent diffraction data were collected from a niobium thin film, epitaxially grown on a sapphire substrate as the beam was scanned across the sample. The data were analyzed by BPP using a carefully selected combination of refinement procedures. The resulting image shows a close packed array of epitaxial domains, shifted with respect to each other due to misfit between the film and its substrate.

Note: bei Grants wäre zu ergänzen: Volkswagen Foundation

---

Contributing Institute(s):

1. CFEL-Coherent X-Ray Imaging (FS-CFEL-1)

Research Program(s):

1. 6215 - Soft Matter, Health and Life Sciences (POF3-621) (POF3-621)

Experiment(s):

1. Measurement at external facility

Appears in the scientific report 2017

---

Database coverage:
; ; ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

---