Results 51 to 60 of about 121,355 (298)

Electronic and magnetic structure of epitaxial NiO/Fe$_3$O$_4$(001) heterostructures grown on MgO(001) and Nb-doped SrTiO$_3$(001) [PDF]

, 2016
We study the underlying chemical, electronic and magnetic properties of a number of magnetite based thin films. The main focus is placed onto NiO/Fe$_3$O$_4$(001) bilayers grown on MgO(001) and Nb-SrTiO$_3$(001) substrates.
Arenholz, E., Bartkowski, S., Gorgoi, M., Kuepper, K., Kuschel, O., Ovsyannikov, R., Pathe, N., Reiss, G., Schemme, T., Schmalhorst, J., Thomas, A., Wollschläger, J.   +11 more
core   +3 more sources

Characterization of steel slag by SEM-EDS, XRD, and INAA

Brazilian Journal of Radiation Sciences, 2021
Steel slag is considered a by-product of the steel industry and its reuse is a strategy for environmental protection, since it consists of potential polluting materials.
Diogo Teixeira Moreira, Maria Ângela de Barros Correia Menezes, Adriana de Souza Medeiros Batista   +2 more
doaj   +1 more source

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

Advanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari, Gokul Bhaskaran, Krishan Kumar, Yun Suk Huh, Young‐Kyu Han   +4 more
wiley   +1 more source

Size Dependence of Metal-Insulator Transition in Stoichiometric Fe3O4 Nanocrystals

, 2015
Magnetite (Fe3O4) is one of the most actively studied materials with a famous metal-insulator transition (MIT), so-called the Verwey transition at around 123 K. Despite the recent progress in synthesis and characterization of Fe3O4 nanocrystals (NCs), it
Banin U., Bednorz J. G., Blasco J., Chen C.-C., Couchman P. R., de Jong S., Disch S., Friedrich W., Goldstein A. N., Ho D., Jacobs K., Je-Geun Park, Jisoo Lee, Jun Y.-w., Jun Y.-w., Kang Y., Kim T. H., Lang X. Y., Laurent S., Lee N., Lee N., Lee S., Lee S., Lu A.-H., Noh S.-h., Park J., Park J., Polking M. J., Rao C. N. R., Redl F. X., Senn M. S., Senn M. S., Shepherd J. P., Soon Gu Kwon, Stanley S. A., Sun S., Sun S., Taeghwan Hyeon, Verwey E. J., Waser R., Wright J. P., Xie J., Zeng H., Zhang D.   +43 more
core   +1 more source

2D Magnetic and Topological Quantum Materials and Devices for Ultralow Power Spintronics

Advanced Functional Materials, EarlyView.
2D magnets and topological quantum materials enable ultralow‐power spintronics by combining robust magnetic order with symmetry‐protected, Berry‐curvature‐driven transport. Fundamentals of 2D anisotropy and spin‐orbit‐coupling induced band inversion are linked to scalable growth and vdW stacking.
Brahmdutta Dixit, Yifei Yang, Shawn Li, Yu‐Chia Chen, Qi Jia, Jian‐Ping Wang   +5 more
wiley   +1 more source

Ionic Liquid Supported on Magnetic Graphene Oxide as a Highly Efficient and Stable Catalyst for the Synthesis of Triazolopyrimidines

Acta Chimica Slovenica, 2022
A novel sulfonic acid functionalized ionic liquid was prepared by anchoring 1-(propyl-3-sulfonate) vinylimidazolium hydrogen sulfate ([(CH2)3SO3HVIm]HSO4) on Fe3O4@GO. The prepared heterogeneous catalyst was characterized by XRD, FT-IR, EDX, SEM, VSM and
Azar Jahanbakhshi, Mahnaz Farahi, Yeganeh Aghajani   +2 more
doaj   +1 more source

4D‐Printed Magneto‐Plasmonic Microrobots for Programmable Spatiotemporal De‐Icing

Advanced Functional Materials, EarlyView.
A 4D‐printing strategy is introduced to achieve programmable de‐icing devices. By aligning gold–magnetite nanofillers within a photosensitive resin, the printed structures exhibit dual magnetic and plasmonic functionalities, enabling precise spatio‐temporal ice removal through thermoplasmonic effects.
Amélie Pérot, Andrea Cosola, Eléonore Aïdonidis, Jérôme Fresnais, Clément Sanchez, Philippe Belleville, Giancarlo Rizza, Marco Faustini   +7 more
wiley   +1 more source

Ultrasmall Platinum Nanoparticles for Radiation‐Enhanced Cancer Therapy

Advanced Functional Materials, EarlyView.
This work proposes a nanomedicine‐based strategy to enhance X‐ray radiotherapy for cancer treatment. Ultrasmall Pt‐NPs exhibit catalase‐like activity that may contribute to modulation of the tumor microenvironment and amplify interactions between radiation and biological matter, leading to increased DNA damage.
Miguel Encinas‐Gimenez, Jose I. Garcia‐Peiro, Jose L. Hueso, Eduardo Caleiras, Laura Notario, Felipe Hornos, Pilar Martin‐Duque, Antonio De la Vieja, Jesus Santamaria   +8 more
wiley   +1 more source

Doping of inorganic materials in microreactors – preparation of Zn doped Fe₃O₄ nanoparticles [PDF]

, 2015
Microreactor systems are now used more and more for the continuous production of metal nanoparticles and metal oxide nanoparticles owing to the controllability of the particle size, an important property in many applications. Here, for the first time, we
Castillo, M. Escobar, Escobar Castillo, Marianela, Evans, D. J., Francesconi, M. G., Francesconi, M. Grazia, Jones, N., Jones, Naomi, Lupascu, D. C., Salamon, S., Salamon, Soma, Simmons, M. D., Watts, P., Wende, H., Wende, Heiko, Wiles, C., Wiles, Charlotte   +15 more
core   +2 more sources

Synthesis, characterization, and cytotoxicity evaluation of polyethylene glycol-coated iron oxide nanoparticles for radiotherapy application

Journal of Medical Physics, 2021
Background: Treatment methods for cancer that are widely being utilized affect both normal and cancerous cells. We report synthesis polyethylene glycol (PEG)-coated Fe3O4 nanoparticles (NPs) and its characteristic properties and appraise its potential as
Madhuri Anuje, Padmaja N Pawaskar, Vishwajeet Khot, Ajay Sivan, Satish Jadhav, Jagruti Meshram, Balu Thombare   +6 more
doaj   +1 more source