Schultheiß, Jan ; Porz, Lukas ; Kodumudi Venkataraman, Lalitha ; Höfling, Marion ; Yildirim, Can ; Cook, Phil ; Detlefs, Carsten ; Gorfman, Semën ; Rödel, Jürgen ; Simons, Hugh (2023)
Quantitative mapping of nanotwin variants in the bulk.
In: Scripta Materialia, 2021, 199
doi: 10.26083/tuprints-00023202
Artikel, Zweitveröffentlichung, Verlagsversion
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Kurzbeschreibung (Abstract)
Crystallographic twins are critical to the properties of numerous materials from magnesium alloys to piezoelectrics. Since the onset of the twin formation is highly sensitive to the triaxial mechanical boundary conditions, non-destructive bulk microscopy techniques are required. Elastic strains can be mapped via X-ray diffraction with a 100-200 nm resolution. However, the interplay of strains with nanotwins cannot be characterized. Here, a method based on dark-field X-ray microscopy to quantify the density of nanotwin variants with twin lamellae of sizes as small as several tens of nanometers in embedded subvolumes (70x200x600 nm³) in millimeter-sized samples is introduced. The methodology is corroborated by correlating the local density of twin variants to the long-ranging strain fields for a high-performance piezoelectric material. The method facilitates direct, in situ mapping and quantification of nanoscale structural changes together with their elastic driving fields, which is the key towards controlling and engineering material's performance at nanometric scales.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2023 |
| Autor(en): | Schultheiß, Jan ; Porz, Lukas ; Kodumudi Venkataraman, Lalitha ; Höfling, Marion ; Yildirim, Can ; Cook, Phil ; Detlefs, Carsten ; Gorfman, Semën ; Rödel, Jürgen ; Simons, Hugh |
| Art des Eintrags: | Zweitveröffentlichung |
| Titel: | Quantitative mapping of nanotwin variants in the bulk |
| Sprache: | Englisch |
| Publikationsjahr: | 2023 |
| Ort: | Darmstadt |
| Publikationsdatum der Erstveröffentlichung: | 2021 |
| Verlag: | Elsevier |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Scripta Materialia |
| Jahrgang/Volume einer Zeitschrift: | 199 |
| Kollation: | 5 Seiten |
| DOI: | 10.26083/tuprints-00023202 |
| URL / URN: | https://tuprints.ulb.tu-darmstadt.de/23202 |
| Zugehörige Links: | |
| Herkunft: | Zweitveröffentlichungsservice |
| Kurzbeschreibung (Abstract): | Crystallographic twins are critical to the properties of numerous materials from magnesium alloys to piezoelectrics. Since the onset of the twin formation is highly sensitive to the triaxial mechanical boundary conditions, non-destructive bulk microscopy techniques are required. Elastic strains can be mapped via X-ray diffraction with a 100-200 nm resolution. However, the interplay of strains with nanotwins cannot be characterized. Here, a method based on dark-field X-ray microscopy to quantify the density of nanotwin variants with twin lamellae of sizes as small as several tens of nanometers in embedded subvolumes (70x200x600 nm³) in millimeter-sized samples is introduced. The methodology is corroborated by correlating the local density of twin variants to the long-ranging strain fields for a high-performance piezoelectric material. The method facilitates direct, in situ mapping and quantification of nanoscale structural changes together with their elastic driving fields, which is the key towards controlling and engineering material's performance at nanometric scales. |
| Freie Schlagworte: | Twinning, X-ray diffraction, Domains, Ferroelectricity, Elasto-morphological coupling |
| ID-Nummer: | 113878 |
| Status: | Verlagsversion |
| URN: | urn:nbn:de:tuda-tuprints-232029 |
| Sachgruppe der Dewey Dezimalklassifikatin (DDC): | 500 Naturwissenschaften und Mathematik > 530 Physik 500 Naturwissenschaften und Mathematik > 540 Chemie |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Nichtmetallisch-Anorganische Werkstoffe |
| Hinterlegungsdatum: | 10 Feb 2023 09:24 |
| Letzte Änderung: | 13 Feb 2023 08:44 |
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| Suche nach Titel in: | TUfind oder in Google |
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