Journal Article

PUBDB-2020-04517

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Soft x-ray microscopy with 7 nm resolution

Roesner, B. (Corresponding author)Extern* ; Finizio, S.Extern* ; Koch, F.Extern* ; Doering, F.Extern* ; Guzenko, V. A.Extern* ; Langer, M.Extern* ; Kirk, E.Extern* ; Watts, B.Extern* ; Meyer, M.Extern* ; Loroña Ornelas, J.Extern* ; Spaeth, A.Extern* ; Stanescu, S.Extern* ; Swaraj, S.Extern* ; Belkhou, R.Extern* ; Ishikawa, T.Extern* ; Keller, T. F.DESY* ; Gross, B.Extern* ; Poggio, M.Extern* ; Fink, R.Extern* ; Raabe, J.Extern* ; Kleibert, A.Extern* ; David, C.Extern*

2020
OSA Washington, DC

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Please use a persistent id in citations: doi:10.1364/OPTICA.399885  doi:10.3204/PUBDB-2020-04517

Abstract: The availability of intense soft x-ray beams with tunable energy and polarization has pushed the development of highlysensitive, element-specific, and noninvasive microscopy techniques to investigate condensed matter with high spatialand temporal resolution. The short wavelengths of soft x-rays promise to reach spatial resolutions in the deep single-digitnanometer regime, providing unprecedented access to magnetic phenomena at fundamental length scales. Despiteconsiderable efforts in soft x-ray microscopy techniques, a two-dimensional resolution of 10 nm has not yet been surpassedin direct imaging. Here, we report on a significant step beyond this long-standing limit by combining newlydeveloped soft x-ray Fresnel zone plate lenses with advanced precision in scanning control and careful optical design.With this approach, we achieve an image resolution of 7 nm. By combining this highly precise microscopy techniquewith the x-ray magnetic circular dichroism effect,we reveal dimensionality effects in an ensemble of interacting magneticnanoparticles. Such effects are topical in current nanomagnetism research and highlight the opportunities of highresolutionsoft x-ray microscopy in magnetism research and beyond.

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Contributing Institute(s):

1. DOOR-User (DOOR ; HAS-User)
2. Nanolab (FS-NL)

Research Program(s):

1. 6214 - Nanoscience and Materials for Information Technology (POF3-621) (POF3-621)
2. NFFA-Europe_supported - Technically supported by Nanoscience Foundries and Fine Analysis Europe (2020_Join2-NFFA-Europe_funded) (2020_Join2-NFFA-Europe_funded)
3. NFFA-Europe - NANOSCIENCE FOUNDRIES AND FINE ANALYSIS - EUROPE (654360) (654360)

Experiment(s):

1. DESY NanoLab: Microscopy

Appears in the scientific report 2020

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Database coverage:
; ; ; ; Article Processing Charges ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; DOAJ Seal ; Essential Science Indicators ; Fees ; IF >= 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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