3D Materials Analytics Highlights

Scan of a Koogenail
3D Materials Analytics| Correlated Workflows| MAPEX News|

Conference: MRI for Cultural Heritage Objects

On 7 and 8 December, international experts will meet in Bremerhaven for a conference to discuss the possibilities of MRI for cultural heritage objects. The MAPEX Core Facility for Materials Analytics will be represented by two experts who will present their investigation methods.


Figure from the paper of Guo et al.
3D Materials Analytics| Spectroscopy|

Gold Nanoparticle-Coated Bioceramics for Plasmonically Enhanced Molecule Detection via Surface-Enhanced Raman Scattering

Tongwei Guo, Jonas Schmidt, Mohammad Mangir MurshedKurosch RezwanMichael Maas

Advanced Engineering Materials 25 (2023): 2300942

https://doi.org/10.1002/adem.202300942

Herein, feasibility of plasmonically enhanced molecule detection via surface-enhanced Raman scattering for ceramics that are…


Figure from the publication
3D Materials Analytics|

Timing of carbon uptake by oceanic crust determined by rock reactivity

Elmar Albers, Svenja Jöns, Axel Gerdes, Andreas Klügel, Christoph Beier, Simone A. Kasemann, Wolfgang Bach

Geology 51 (2023): 875

https://doi.org/10.1130/G51238.1

Carbonate formation during the alteration of oceanic crust is a global CO2 sink. Its timing and controls are not well understood,…


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3D Materials Analytics|

Gas Atomization of Duplex Stainless Steel Powder for Laser Powder Bed Fusion

Chengsong Cui, Felix Stern, Nils Ellendt, Volker Uhlenwinkel, Matthias Steinbacher, Jochen Tenkamp, Frank Walther, Rainer Fechte-Heinen

Materials 16 (2023): 435

https://doi.org/10.3390/ma16010435

Duplex stainless steel powders for laser additive manufacturing have not been developed extensively.…


The Picture of Enhanced weathering in the seabed: Rapid olivine dissolution and iron sulfide formation in submarine volcanic ash (2022)
3D Materials Analytics| Spectroscopy|

Enhanced weathering in the seabed: Rapid olivine dissolution and iron sulfide formation in submarine volcanic ash

Wolf-Achim Kahl, Andreas Klügel, Wolfgang BachMangir Murshed

American Mineralogist 107 (2022): 1668–1680

https://doi.org/10.2138/am-2022-8057

In basaltic volcanic ash recovered from a seamount at 3000 m water depth, we discovered marcasite and pyrite precipitation within cavities that formed…


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3D Materials Analytics|

Morphological transition during prograde olivine growth formed by high-pressure dehydration of antigorite-serpentinite to chlorite-harzburgite in a subduction setting

Nicole Dilissen, Károly Hidas Carlos J. Garrido, Vicente López Sánchez-Vizcaíno, Wolf-Achim Kahl

Lithos 382-383 (2021): 105949

https://doi.org/10.1016/j.lithos.2020.105949

Crystal morphologies are essential for deciphering the reaction history of igneous and metamorphic rocks because they often…


3D printing colloidal assembly
3D Materials Analytics|

Strong Macroscale Supercrystalline Structures by 3D Printing Combined with Self‐Assembly of Ceramic Functionalized Nanoparticles

Berta Domènech, Alvin T. L. Tan, Hans Jelitto, Eduardo Zegarra Berodt, Malte Blankenburg, Oliver Focke, Jaclyn Cann, C. Cem Tasan, Lucio Colombi Ciacchi, Martin Müller, Kaline P. Furlan, A. John Hart, Gerold A. Schneider

Advanced Engineering Materials 22 (2020): 2000352

https://doi.org/10.1002/ade…


3D Material Analyse
3D Materials Analytics|

Crystal surface reactivity analysis using a combined approach of X-ray micro-computed tomography and vertical scanning interferometry

Wolf-Achim Kahl, Tao Yuan, Till Bollermann, Wolfgang Bach, Cornelius Fischer

American Journal of Science 320 (2020): 27-52

doi: 10.2475/01.2020.03 

Dissolution rates of porous crystalline materials reflect the superposition of transport and surface control, mainly via the parameters saturation of…


Picture of A new test system for unraveling the effects of soil components on the uptake and toxicity of silver nanoparticles (NM-300K) in simulated pore water
3D Materials Analytics|

A new test system for unraveling the effects of soil components on the uptake and toxicity of silver nanoparticles (NM-300K) in simulated pore water

Moira S. McKee, Jan Köser, Oliver Focke, Juliane Filser

Science of The Total Environment (2019) 673, 13-621

https://doi.org/10.1016/j.scitotenv.2019.03.493

Fate, bioavailability and toxicity of silver nanoparticles (AgNP) are largely affected by soil properties. Here we focused on how these…


Starfish
3D Materials Analytics|

Morphology, shape variation and movement of skeletal elements in starfish (Asterias rubens)

Lena Schwertmann, Oliver Focke, Jan‐Henning Dirks

Journal of Anatomy (2019) 234, 656-667

https://doi.org/10.1111/joa.12964

Starfish (order: Asteroidea) possess a complex endoskeleton composed of thousands of calcareous ossicles. These ossicles are embedded in a body wall mostly consisting of a…


3D Analytics Picture
3D Materials Analytics|

Textural evolution during high-pressure dehydration of serpentinite to peridotite and its relation to stress orientations and kinematics of subducting slabs: Insights from the Almirez ultramafic massif

Nicole Dilissen, Károly Hidas, Carlos J.Garrido, Wolf-Achim Kahl,Vicente López Sánchez-Vizcaíno, José Alberto Padrón-Navarta

Lithos (2018) 320-321, 470-489

https://doi.org/10.1016/j.lithos.2018.09.033

The Almirez ultramafic massif (SE Spain) preserves the transformation of high-P antigorite…


3D Material Picture
3D Materials Analytics|

Ambient occlusion – A powerful algorithm to segment shell and skeletal intrapores in computed tomography data

J.Titschack, D. Baum, K. Matsuyama, K. Boos, C. Färber, W.-A. Kahl, K. Ehrig, D. Meinel, C. Soriano, S.R. Stock

Computers & Geosciences (2018) 115, 75-87

https://doi.org/10.1016/j.cageo.2018.03.007

During the last decades, X-ray (micro-)computed tomography has gained increasing attention for the…


3D Material picture
3D Materials Analytics|

Classical and new bioerosion trace fossils in Cretaceous belemnite guards characterised via micro-CT

Max Wisshak, Jürgen Titschack, Wolf-Achim Kahl, Peter Girod

Fossil Record (2017) 20, 173–199

doi:10.5194/fr-20-173-2017

The ongoing technical revolution in non-destructive 3-D visualisation via micro-computed tomography (micro-CT) finds a valuable application in the studies of bioerosion trace…


3D Material Picture
3D Materials Analytics|

3-D microstructure of olivine in complex geological materials reconstructed by correlative X-ray µ-CT and EBSD analyses

Kahl, W.-A., Dilissen, N., Hidas, K., Garrido, C. J., López-Sánchez-Vizcaíno, V. and Román-Alpiste, M. J.

Journal of microscopy (2017) 268, 193-207

https://doi.org/10.1111/jmi.12598

We reconstruct the 3‐D microstructure of centimetre‐sized olivine crystals in rocks from the Almirez ultramafic…


3D Material Picture
3D Materials Analytics|

Reaction-induced porosity and onset of low-temperature carbonation in abyssal peridotites: insights from 3D high-resolution microtomography

Niels Jöns, Wolf-Achim Kahl, Wolfgang Bach

Lithos (2016) 268-271, 274-284.

https://doi.org/10.1016/j.lithos.2016.11.014

In a drillcore sample of serpentinized harzburgite from the uppermost oceanic crust (Mid-Atlantic Ridge, ODP Leg 209, Site 1270), we demonstrate using high-resolution…


3D Material Picture
3D Materials Analytics|

A new X-ray-transparent flow-through reaction cell for a μ-CT-based concomitant surveillance of the reaction progress of hydrothermal mineral–fluid interactions

Wolf-Achim Kahl, Christian Hansen, Wolfgang Bach

Solid Earth (2016) 7, 651-658

doi:10.5194/se-7-651-2016

A new flow-through reaction cell consisting of an X-ray-transparent semicrystalline thermoplastic has been developed for percolation experiments. Core holder, tubing and all confining parts…


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