Lifting the cloak of invisibility: Gold in pyrite from the Olympic Dam Cu-U-Au-Ag deposit, South Australia

K Ehrig, CL Ciobanu… - … : Journal of Earth …, 2023 - pubs.geoscienceworld.org
Abstract “Invisible gold” refers to gold (Au) occurring either within the lattice of a host sulfide
or as discrete nanoparticles (NPs,< 100 nm diameter) within a host that are only observable …

Nanoscale to microscale reversal in room-temperature plasticity in SrTiO3 by tuning defect concentration

X Fang, K Ding, S Janocha, C Minnert, W Rheinheimer… - Scripta materialia, 2020 - Elsevier
Incipient room-temperature plastic deformation in single-crystal SrTiO 3 at the nanoscale
and the microscale is contrasted by applying a scale-dependent indentation technique …

Room‐temperature dislocation plasticity in SrTiO3 tuned by defect chemistry

S Stich, K Ding, QK Muhammad, L Porz… - Journal of the …, 2022 - Wiley Online Library
Dislocations have been identified to modify both the functional and mechanical properties of
some ceramic materials. Succinct control of dislocation‐based plasticity in ceramics will also …

A study to determine electromagnetic interference‐shielding effectiveness on bio‐based polyurethane foam reinforced with PVDF/MgO/Ni for emerging applications

VK Selvaraj, J Subramanian… - Journal of Applied …, 2023 - Wiley Online Library
The main objective of this study is to prepare nanoparticles‐induced bio‐based
polyurethane foam to shield electromagnetic interference (EMI) radiation in the 8–12 GHz …

Caught while Dissolving: Revealing the Interfacial Solvation of the Mg2+ Ions on the MgO Surface

F Tavani, M Busato, L Braglia, S Mauri… - … Applied Materials & …, 2022 - ACS Publications
Interfaces between water and materials are ubiquitous and are crucial in materials sciences
and in biology, where investigating the interaction of water with the surface under ambient …

Large plastic deformability of bulk ferroelectric KNbO3 single crystals

M Höfling, M Trapp, L Porz, H Uršič, E Bruder… - Journal of the European …, 2021 - Elsevier
Ferroelectrics have become indispensable electroceramic materials in modern electronic
applications. While point-defect engineering is a common tool to modify the properties of …

Dislocations in ceramic electrolytes for solid-state Li batteries

L Porz, D Knez, M Scherer, S Ganschow… - Scientific Reports, 2021 - nature.com
High power solid-state Li batteries (SSLB) are hindered by the formation of dendrite-like
structures at high current rates. Hence, new design principles are needed to overcome this …

[HTML][HTML] The effect of hydrogen on the multiscale mechanical behaviour of a La (Fe, Mn, Si) 13-based magnetocaloric material

S Wang, O Gavalda-Diaz, T Luo, L Guo, E Lovell… - Journal of Alloys and …, 2022 - Elsevier
Magnetocaloric cooling offers the potential to improve the efficiency of refrigeration devices
and hence cut the significant CO 2 emissions associated with cooling processes. A critical …

60 years of dislocations in ceramics: A conceptual framework for dislocation mechanics in ceramics

L Porz - International Journal of Ceramic Engineering & …, 2022 - Wiley Online Library
High‐tech ceramics are typically engineered by controlling point defects and interfaces
while one‐dimensional dislocations have found much less attention so far. Nevertheless …

B1-B2 transition in shock-compressed MgO

JK Wicks, S Singh, M Millot, DE Fratanduono… - Science …, 2024 - science.org
Magnesium oxide (MgO) is a major component of the Earth's mantle and is expected to play
a similar role in the mantles of large rocky exoplanets. At extreme pressures, MgO transitions …