Review
Chemistry, Physical
Maziar Montazerian, Geovanna V. S. Goncalves, Maria E. V. Barreto, Eunice P. N. Lima, Glauber R. C. Cerqueira, Julyana A. Sousa, Adrine Malek Khachatourian, Mairly K. S. Souza, Suedina M. L. Silva, Marcus V. L. Fook, Francesco Baino
Summary: Radiopacity is an important characteristic of biomaterials that can be enhanced by adding radiopacifiers. This overview discusses radiopaque bioceramics for applications in orthopedics, dentistry, and cancer therapy, and explores the modification of properties through the addition of radiopacifiers.
Article
Materials Science, Multidisciplinary
Antoine Cornet, Gaston Garbarino, Federico Zontone, Yuriy Chushkin, Jeroen Jacobs, Eloi Pineda, Thierry Deschamps, Shubin Li, Alberto Ronca, Jie Shen, Guillaume Morard, Nico Neuber, Maximilian Frey, Ralf Busch, Isabella Gallino, Mohamed Mezouar, Gavin Vaughan, Beatrice Ruta
Summary: By combining the brightest x-rays available in synchrotrons with cutting edge high pressure technologies, this study provides direct evidence of the microscopic structural and dynamical mechanisms occurring under in-situ high pressure compression and decompression in metallic glasses. The results show that while pressure promotes density increasing through quasi-elastic structural deformations, the atomic mobility exhibits a hysteresis and is enhanced up to a factor 15 even at temperatures well below the glass transition. This surprising behavior results from a competition between fast avalanche-like atomic rearrangements and slow relaxation processes triggered by an anomalous super-diffusive collective particle displacement.
Article
Materials Science, Ceramics
D. V. Lazurenko, A. A. Ivannikov, A. G. Anisimov, N. S. Popov, G. D. Dovzhenko, I. A. Bataev, K. I. Emurlaev, T. S. Ogneva, E. D. Golovin
Summary: Due to their low thermal stability, metallic glasses are often used for reinforcing composites. In this study, solid-state magnetic pulse welding was used to join crystalline titanium and Ti-based metallic glass, and it was found that the metallic glass layer remained in an amorphous state after welding. Crystalline particles were only found in the mixing zones subjected to the strongest heating during welding, with an average size of about 25 nm.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2022)
Article
Nanoscience & Nanotechnology
Kenji Shinozaki, Yoshiki Ishii, Sohei Sukenaga, Koji Ohara
Summary: This study proposes a material design to achieve fast nucleation and crystallization of nanocrystals in transparent glass fibers without the need for heat treatment processes. By investigating the impact of different structures on crystallization, the researchers have developed a suitable composition and successfully produced glass fibers with nanocrystals.
ACS APPLIED NANO MATERIALS
(2022)
Review
Materials Science, Multidisciplinary
Pritha Patra, Kalyandurg Annapurna
Summary: Transparent tellurite glass-ceramics have significant potential in the field of photonics due to their unique nanostructured crystalline phases. By doping with rare earths and controlling the heat treatment process, optical transparency can be achieved in glass-ceramics, allowing for in-depth analysis of crystalline phases, micro/nanostructure, and unique properties. However, there are still limitations in current research that need to be addressed for further improvement.
PROGRESS IN MATERIALS SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Ezgi Onur Sahin, Yitao Dai, Candace K. Chan, Harun Tueysuez, Wolfgang Schmidt, Joohyun Lim, Siyuan Zhang, Christina Scheu, Claudia Weidenthaler
Summary: Amorphous TixOy with high surface area has shown higher activity as a photocatalyst in UV light-induced water splitting applications. The molecular titanium alkoxide precursor structure rearranged during hydrolysis, leading to increased connectivity of structure-building units. Upon exposure to UV light, the suspension turned dark corresponding to the reduction of Ti4+ to Ti3+. Temperature-dependent total scattering experiments showed partial ordering in the Ti-O environment below 350 degrees C, with the formation of a distorted anatase core above this temperature.
CHEMISTRY-A EUROPEAN JOURNAL
(2021)
Article
Polymer Science
Xueyan Lin, Weike Zou, Eugene M. Terentjev
Summary: Liquid-crystalline elastomers (LCEs) are commonly used in soft actuator development, but their practical applications are limited due to mechanical failures under heavy loads and high temperatures. This study employs a double-network strategy and successfully develops mechanically tougher LCEs by incorporating diacrylate reacting monomers and thermoplastic polyurethane.
Article
Chemistry, Physical
Artur Bukowczan, Konstantinos N. Raftopoulos, Maciej Czajkowski, Ewa Szefer, Edyta Hebda, Krzysztof Pielichowski
Summary: A series of liquid crystalline polyurethanes modified by TRIS-POSS were synthesized and characterized. The addition of POSS moieties led to the formation of liquid crystalline phases and higher melting and crystallization temperatures. POSS particles influenced thermal stability, glass transition, and mechanical properties in the polyurethanes, with no agglomerates observed.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Biochemistry & Molecular Biology
Lucas N. Trentin, Caroline S. Pereira, Rodrigo L. Silveira, Stefan Hill, Mathias Sorieul, Munir S. Skaf
Summary: This study investigates the relative hydrophilicity of cellulose surfaces using molecular dynamics simulations, revealing that the different crystalline faces of cellulose have varying levels of hydrophilicity, influenced by structural features, exposure of hydroxyl groups to the solvent, and hydrogen bond formation.
Article
Physics, Fluids & Plasmas
He Huang, Alexei Ivlev, Volodymyr Nosenko, Wei Yang, Cheng-Ran Du
Summary: The propagation of a dissipative soliton was studied experimentally in a two-dimensional binary complex plasma. The crystallization was suppressed in the particle suspension where two types of particles were mixed. Individual particle motions were recorded using video microscopy, and the macroscopic properties of the solitons were measured in the amorphous binary mixture and plasma crystal. Comparisons showed distinct differences in velocity structures and distributions between solitons in the amorphous and crystalline regions. Local structure rearrangement was also observed in and behind the soliton, contrasting with the plasma crystal. Langevin dynamics simulations matched the experimental observations.
Article
Chemistry, Physical
S. Leila Panahi, Jordina Fornell, Catalin Popescu, Eloi Pineda, Jordi Sort, Pere Bruna
Summary: New high-entropy metallic glasses were produced by adding B and Si to the Fe25Co25Cr25Ni25 high entropy alloy, resulting in extremely hard materials through structural relaxation and nanocrystallization. The study explored the effects of composition and annealing treatments on structure and mechanical properties, finding that the relative amount of B and Si determines the main nanocrystalline phase and influences mechanical behavior.
Article
Materials Science, Ceramics
Domitille Le Cornec, Laurent Cormier, Laurence Galoisy, Benoit Baptiste, Nicolas Trcera, Laurent Izoret, Georges Calas
Summary: This study reveals the complex environment in which calcium occurs in amorphous slags, forming a percolating sub-network that may enhance the early dissolution rate of the slags in water. The aluminosilicate network in slags is highly depolymerized, with a predominance of chain-like structural units for silicon and more polymerized units cross-linking the calcium domains for aluminum.
JOURNAL OF NON-CRYSTALLINE SOLIDS
(2021)
Article
Polymer Science
Artur Bukowczan, Konstantinos N. Raftopoulos, Jacek Niziol, Krzysztof Pielichowski
Summary: Molecular mobility and liquid crystalline order formation of liquid crystalline polyurethanes (LCPU) modified by trisilanolphenyl-POSS were studied using various techniques. The addition of POSS did not significantly alter the nanoscale morphology of the LCPU matrix. Liquid crystal phase transitions were confirmed through dielectric and differential scanning calorimetry measurements. The presence of partially cross-linked POSS particles enhanced the material's rubber modulus in dynamic mechanical analysis. Overall, POSS caused a nucleation effect and did not impair LC phase formation.
Article
Construction & Building Technology
Sumin Im, Hyeonseok Jee, Heongwon Suh, Manabu Kanematsu, Satoshi Morooka, Hongbok Choe, Nishio Yuhei, Akihiko Machida, Jihoon Kim, Seungmin Lim, Sungchul Bae
Summary: In this study, the mechanical properties and deformation behavior of synthetic C-S-H pastes with different Ca/Si ratios under external loading were investigated. It was found that the presence of multiscale pores in the pastes allowed the stress to be transferred from the surface to the particles, resulting in different deformation behavior.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Article
Chemistry, Physical
Jehong Park, Jongsu Kim
Summary: A highly (113)-oriented Zn2SiO4:Mn2+ single-crystalline luminescent film was successfully fabricated on amorphous quartz glass without the need for a seed-crystal layer. The unique microstructure of the film was found to influence its luminescent behavior, offering potential applications in silicon-based optoelectronic devices.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Multidisciplinary
Sebastian Wendl, Lucien Eisenburger, Philipp Strobel, Daniel Guenther, Jonathan P. Wright, Peter J. Schmidt, Oliver Oeckler, Wolfgang Schnick
CHEMISTRY-A EUROPEAN JOURNAL
(2020)
Article
Chemistry, Multidisciplinary
Carlotta Giacobbe, Dario Di Giuseppe, Alessandro Zoboli, Magdalena Lassinantti Gualtieri, Paola Bonasoni, Anna Moliterni, Nicola Corriero, Angela Altomare, Jonathan Wright, Alessandro F. Gualtieri
Summary: The amosite asbestos fibers demonstrate stability in the lungs, leading to chronic inflammation and carcinogenesis over a lifetime. Iron in the bodies formed by the asbestos fibers is biologically derived, not from the fibers themselves.
Article
Chemistry, Multidisciplinary
Mihai Stoica, Baran Sarac, Florian Spieckermann, Jonathan Wright, Christoph Gammer, Junhee Han, Petre F. Gostin, Juergen Eckert, Joerg F. Loeffler
Summary: The study demonstrates that X-ray diffraction computed nanotomography can provide accurate details of the internal structure of metallic glasses, which is of great significance for the research of metallic materials at the nanoscale.
Article
Materials Science, Multidisciplinary
Toshiro Tomida, Elena Vakhitova, Denis Sornin, Jonathan Wright, Manuel Francois, Yusuke Onuki, Takashi Hirano, Akinori Hoshikawa, Toru Ishigaki, Shigeo Sato
Summary: The texture memory of Si-Mn and ODS steels was explored and exhibited different behaviors. The intense texture development in ODS steel is attributed to strong variant selection on the diffusional austenite -> ferrite transformation.
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
(2021)
Article
Chemistry, Multidisciplinary
Clara Anduix-Canto, Mark A. Levenstein, Yi-Yeoun Kim, Jose R. A. Godinho, Alexander N. Kulak, Carlos Gonzalez Nino, Philip J. Withers, Jonathan P. Wright, Nikil Kapur, Hugo K. Christenson, Fiona C. Meldrum
Summary: This study introduces an imaging-based strategy using confinement effects to track the evolution of crystals and characterize crystallization pathways. It focuses on calcium sulfate formation in nanoporous media, revealing different pathways for crystal precipitation in different physical environments. The research also provides insights into crystallization in nanoconfinement and demonstrates the impact of confinement on calcium sulfate precipitation.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
George Serghiou, Nicholas Odling, Hans Josef Reichmann, Gang Ji, Monika Koch-Mueller, Daniel J. Frost, Jonathan P. Wright, Reinhard Boehler, Wolfgang Morgenroth
Summary: The study utilized multi-anvil and diamond anvil methods to prepare hexagonal Ge-Si solid solutions at high pressures and temperatures, expanding the Ge-Si solid solution family for optoelectronic applications.
CHEMISTRY-A EUROPEAN JOURNAL
(2021)
Article
Instruments & Instrumentation
Eleanor Lawrence Bright, Carlotta Giacobbe, Jonathan P. Wright
Summary: Studies have shown that fourth-generation synchrotron sources generate significant beam heating effects for high-energy X-rays and radiation hard samples, leading to temperature increases. The temperature increases observed in metal and ceria samples indicate the potential impact on sample characteristics.
JOURNAL OF SYNCHROTRON RADIATION
(2021)
Article
Chemistry, Multidisciplinary
Lucien Eisenburger, Philipp Strobel, Peter J. Schmidt, Thomas Brauniger, Jonathan Wright, Eleanor Lawrence Bright, Carlotta Giacobbe, Oliver Oeckler, Wolfgang Schnick
Summary: This study synthesized the first nitridic analogs of micas, featuring a rare motif of sixfold coordinated silicon atoms and the presence of H in SiN4(NH)(2) octahedra. Eu2+-doped samples exhibited tunable narrow-band emission.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Physical
Mariana Mar Lucas, Tiago Ramos, Peter S. Jorgensen, Stela Canulescu, Peter Kenesei, Jonathan Wright, Henning F. Poulsen, Jens W. Andreasen
Summary: This study uses three-dimensional X-ray diffraction to analyze the phase, size, orientation, and strain of grains in polycrystalline CZTS absorbers, revealing the presence of a ZnS secondary phase, average tensile stress of 70 MPa, compressive stress of 145 MPa, and 41% of grains being Sigma 3 twins. The frequency of six types of S3 boundaries was calculated, with 180 degrees rotation along the axis <221> being the most common. Accessing the microstructure opens up possibilities to study its influence on film properties, such as bandgap variations due to strain or the role of twin boundaries in charge transport mechanisms.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Crystallography
Jonathan P. Wright, Carlotta Giacobbe, Eleanor Lawrence Bright
Summary: The study describes a method to measure the module geometry for obtaining accurate strain data, using a new Eiger2 4M CdTe detector to collect high-quality Debye-Scherrer powder diffraction rings. The least squares fitting method was used to optimize the detector module and scattering geometry, resulting in a module position precision of about 1/350 pixel.
Article
Materials Science, Multidisciplinary
Y. El Hachi, S. Berveiller, B. Piotrowski, J. Wright, W. Ludwig, B. Malard
Summary: In this study, the superelastic behavior of a Cu-Al-Be alloy was investigated using two high-energy synchrotron techniques. The microstructure and elastic strain/stress tensors of individual grains were determined, and finite element modeling was performed to validate the experimental results, revealing significant stress heterogeneities between grains.
Article
Construction & Building Technology
Mohmad M. Thakur, N. Axel Henningsson, Jonas Engqvist, Pierre-Olivier Autran, Jonathan P. Wright, Ryan C. Hurley
Summary: This study investigates the influence of microstructural heterogeneities on macroscopic and microscopic responses in concrete using a combination of modeling, in-situ imaging, and measurement techniques. The results show that heterogeneities have a significant impact on local strains in matrix phases, but have minimal influence on stresses in individual grains.
CEMENT AND CONCRETE RESEARCH
(2023)
Article
Chemistry, Multidisciplinary
Carlotta Giacobbe, Anna Moliterni, Dario Di Giuseppe, Daniele Malferrari, Jonathan P. Wright, Michele Mattioli, Simona Raneri, Cinzia Giannini, Laura Fornasini, Enrico Mugnaioli, Paolo Ballirano, Alessandro F. Gualtieri
Summary: This study presents the first reliable crystal structure of the non-asbestos fibrous zeolite Erionite, using a combined approach of microscopic, spectroscopic, and chemical techniques. The crystal structure showed regular T-O distances and a chemical composition consistent with the formula. These findings are crucial for understanding the toxic and carcinogenic mechanisms of Erionite and confirming its physical similarities with asbestos fibers.
Article
Chemistry, Multidisciplinary
Michela La Bella, Rogier Besselink, Jonathan P. Wright, Alexander E. S. Van Driessche, Alejandro Fernandez-Martinez, Carlotta Giacobbe
Summary: The mechanism of hydration of calcium sulfate hemihydrate to form gypsum was studied using scanning 3D X-ray diffraction (s3DXRD) and phase contrast tomography (PCT) techniques. The combination of these techniques allowed researchers to determine the spatial and crystallographic relationship between the two phases during the hydration reaction. This study provided insights into the dissolution-precipitation process of the gypsum plaster system and revealed no epitaxial growth of gypsum crystals on the hemihydrate grains.
JOURNAL OF APPLIED CRYSTALLOGRAPHY
(2023)
Article
Materials Science, Multidisciplinary
Karim Louca, Hamidreza Abdolvand, Charles Mareau, Marta Majkut, Jonathan Wright
Summary: The study reveals that stress is higher in twins than in the parent grain during the early stages of plastic deformation, with a sign reversal observed for the resolved shear stress acting on the twin habit plane in the parent.
COMMUNICATIONS MATERIALS
(2021)