Quantitative knowledge of liquid viscosity is of fundamental importance in many areas of materials synthesis and processing. However, the determination of viscosity often relies on specialized experimental equipment, offline experimentation, or invasive procedures, in particular when required in extreme…
Designing the chemical composition of multi‐component glasses toward a set of target properties requires information on a complex range of trade‐off correlations. Consistent reference datasets are typically not available for this size, which will allow for the training of multi‐task neural network models.…
Large language models (LLMs) are transforming laboratory automation by enabling self-driving laboratories (SDLs) that could accelerate materials research. However, current SDL implementations rely on rigid protocols that fail to capture the adaptability and intuition of expert scientists in dynamic experimental…
Inorganic materials which emit light when excited by ultrasound have garnered growing attention. While the phenomenon holds considerable potential for advanced sensing, damage detection, and remote illumination, it has so far been known only for crystalline and often opaque materials. Herein, persistent…
Abstract In contrast to organic and semiconductor ceramic materials, conventional oxide glasses do not typically exhibit pronounced stimulus‐response, stemming from their state of chemical bonding and structural isotropy. However, targeted selection of the glass matrix and additional ion species acting…
Glass optical fibers with well‐defined light‐diffusing properties are an emerging class of light sources for functional and ambient illumination, from photodynamic therapy, agriculture, and photochemistry to architecture and interior design, whenever light with specific spectral characteristics needs…
The development of new glasses is often hampered by inefficient trial‐and‐error approaches. The traditional glass manufacturing process is not only time‐consuming, but also difficult to reproduce with inevitable variations in process parameters. These challenges are addressed by implementing an ontology‐based…
Lumineszenz, oft als „kaltes Licht“ bezeichnet, ist die Emission von ultravioletten, sichtbaren oder infraroten Photonen durch eine angeregte Spezies, ohne dass dabei bedeutende Wärme freigesetzt wird. Je nach Anregungsmechanismus existieren verschiedene Arten von Lumineszenz, darunter die persistente…
We present a novel on-chip hollow-core waveguide design featuring a three-channel architecture that operates via the anti-resonant effect. The design incorporates symmetrically arranged thin membranes that create an enhanced reflective environment, achieving superior waveguiding performance over conventional…
Reticular chemistry studies porous continuous periodic structures, formed from building blocks, whether solely organic or interconnected by metal ions or clusters. The number of possible frameworks that can be potentially synthesized following the reticular design principles is hardly limited, and therefore…
Zeolites are widely used materials with tunable structures applied in catalysis, ceramics, and glasses. Their unique ability to function in both crystalline and amorphous phases offers broad potential for tailored applications. Controlled amorphization of zeolites enables fine-tuning of performance characteristics.…
The thermal stability of zeolites underlies their many applications. Structural collapse usually occurs through a series of reactions, involving an initial low‐density amorphous state (LDA), a high‐density melt (HDA), and, eventually, a dense recrystallization product. The LDA–HDA transition resembles…
Here we describe the synthesis of a compositional series of metal–organic framework crystalline-inorganic glass composites (MOF-CIGCs) containing ZIF-8 and an inorganic phosphate glass, 20Na 2 O–10NaCl–70P 2 O 5 , to expand the library of host matrices for metal–organic frameworks. By careful selection…
London: The Royal Society of Chemistry, 2024-06-03
Zeolitic carrier materials offer ion release and uptake functionality for a wide range of applications. The release kinetics are controlled by the mobility of the target species within the zeolite framework and at its surface. Here, we achieve control over the release dynamics and the quantity of released…
This thesis explores the surface damage resistance in various glass compositions' elastic-plastic, micro-cracking and abrasive regimes under sharp (Berkovich) and blunt (Sphero-conical) indenters during normal indentation and scratch testing. A statistical analysis method is developed that enables…
Metal-organic framework (MOF) composite materials containing ionic liquids (ILs) have been proposed for a range of potential applications, including gas separation, ion conduction, and hybrid glass formation. Here, an order transition in an IL@MOF composite is discovered using CuBTC (copper benzene-1,3,5-tricarboxylate)…
Abstract Light emission from CaZnOS:Nd 3+ by high‐intensity ultrasound excitation is demonstrated. Acoustic power and duty ratio enable simultaneous control of the degree of (local) thermo‐acoustic heating in isothermal or nonisothermal conditions. The Nd‐related photoemission provides direct thermometric…
An intense ultrasound‐induced luminescence (USL) from Cr 3+ ‐activated glass – ceramic composites, obtained by direct precipitation of nanoscale ZnGa 2 O 4 from silicate melts upon cooling, is reported. The USL band overlaps with the first near‐infrared transmission window of biological tissue and spans…
Abstract Understanding the multivariate origin of physical properties is particularly complex for polyionic glasses. As a concept, the term genome has been used to describe the entirety of structure‐property relations in solid materials, based on functional genes acting as descriptors for a particular…
We report on the fabrication, properties, and structure of cerium pyrophosphate glasses and partially substituted cerium silicophosphates. In those glasses, cerium occurs predominantly as Ce(III). A combination of dynamic nuclear magnetic resonance and electrical impedance spectroscopy is used to overcome…