Results 111 to 120 of about 18,009 (224)

Spin‐Selective Interface Engineering in Oxide–Ferromagnetic Junctions via Atomic‐Scale Oxygen Control

Advanced Science, Volume 13, Issue 25, 4 May 2026.
We show that interfacial oxygen at the MgO/Fe interface can be transformed from an uncontrolled variable into a tunable design parameter for spintronic junctions. Momentum microscopy provides direct access to the momentum‐ and spin‐resolved electronic structure beneath the insulating MgO layers, revealing how oxygen intercalation reshapes buried Fe ...
David Maximilian Janas, Mira Sophie Arndt, Jonah Elias Nitschke, Lasse Sternemann, Valentin Mischke, Vitaliy Feyer, Iulia Cojocariu, Daniel Baranowski, Alessandro Sala, Andreas Windischbacher, Peter Puschnig, Jan Dreiser, Stefano Ponzoni, Giovanni Zamborlini, Mirko Cinchetti   +14 more
wiley   +1 more source

Langevin Dynamics simulations of a 2-dimensional colloidal crystal under confinement and shear

, 2012
Langevin Dynamics simulations are used to study the effect of shear on a two-dimensional colloidal crystal confined by structured parallel walls. When walls are sheared very slowly, only two or three crystalline layers next to the walls move along with ...
D. J. Evans, D. Wilms, K. Binder, M. P. Allen, P. Virnau, S. Sengupta   +5 more
core   +1 more source

Complexion‐Mediated Dislocation Transfer Enables Exceptional Strength‐Toughness Synergy in Multicomponent‐Alloy Bonded Hardmetal

Rare Metals, Volume 45, Issue 5, May 2026.
ABSTRACT The inherent brittleness of hardmetals stems from the rigid covalent bond in the ceramic matrix and the sharp ceramic/metal interface, which restricts the nucleation and motion of dislocations. In this study, a novel strategy is proposed to activate significant dislocation behaviors in the WC matrix by employing a non‐equiatomic CoNiFeCr ...
Cheng Qian, Zhongwei Zhao, Kun Li, Zhiming Li, Bin Liu, Yubo Chen, Zhaodong Zhong, Tingting Yu, Yong Liu, Huichao Cheng   +9 more
wiley   +1 more source

Substitution of Ti by Nb in Maraging Steel: Effects on Strengthening Mechanisms and Crystallographic Behavior

steel research international, Volume 97, Issue 5, Page 2672-2692, May 2026.
This work demonstrates that replacing Ti with Nb in maraging steel forms nanoscale Nb–Mo particles along boundaries, strengthening the alloy without relying on Ti phases. Heat‐treatment tuning promotes uniform crystal orientation and balanced grain boundaries, enabling strong yet ductile behavior.
Mohamad Masoumi, Manoel José, Gerardo Jesus Aracena Pérez, Isabel Ferreira Barros, Marcos Natan da Silva Lima, Geronimo Perez, Samuel Lucas Santos Medeiros, Pedro Henrique Pinheiro Lima, Luís Flávio Gaspar Herculano, Maria Vittoria Moraschini Reis, Sérgio Souto Maior Tavares, Farina Alexandre Bellegard, Fridman Daniel Pallos, Miloslav Béreš, Hamilton Ferreira Gomes de Abreu   +14 more
wiley   +1 more source

Cantilever measurements of surface stress, surface reconstruction, film stress and magnetoelastic stress of monolayersc

Sensors, 2008
We review the application of cantilever-based stress measurements in surface science and magnetism. The application of thin (thickness appr. 0.1 mm) single crystalline substrates as cantilevers has been used successfully to measure adsorbate-induced ...
Jürgen Kirschner, Zhen Tian, Dirk Sander   +2 more
doaj  

Impact of misfit strain on the properties of tetragonal Pb(Zr,Ti)O3 thin film heterostructures [PDF]

, 2008
Heterostructures consisting of PbZr0.2Ti0.8O3 and PbZr0.4Ti0.6O3 films grown on a SrTiO3 (100) substrate with a SrRuO3 bottom electrode were prepared by pulsed laser deposition.
Alexe, Marin, Geske, Ludwig, Hesse, Dietrich, Misirlioglu, Burc, Vrejoiu, Ionela   +4 more
core  

Strain‐Induced Reduction of Centrosymmetry in Rare‐Earth Iron Garnet Thin Films

Advanced Electronic Materials
Rare‐earth iron garnets (RIG, R3Fe5O12) are insulating ferrimagnets with high inversion symmetry because of their centrosymmetric cubic crystal structure.
EMK Ikball Ahamed, Hiroyasu Yamahara, Md Shamim Sarker, Haining Li, Kazuo Morikawa, Kohei Yamagami, Masaki Kobayashi, Munetoshi Seki, Hitoshi Tabata   +8 more
doaj   +1 more source

Ultrahigh strength triggered by BCC and B2 eutectic-phase interfaces in a novel FeCrVNiAl high-entropy alloy

Materials Research Letters
The strength−ductility tradeoff and composition homogeneity have been the obstacles to obtaining advanced structural alloys. To overcome the limitations, we develop a novel coherently eutectic high-entropy alloy, i.e. Fe30Cr15V15Ni20Al20.
M. Z. Wang, Y. F. Shen, N. Jia, W. Y. Xue, Z. D. Wang   +4 more
doaj   +1 more source

Strain release by 3D atomic misfit in fivefold twinned icosahedral nanoparticles with amorphization and dislocations

Nature Communications
Multiple twinning to form fivefold twinned nanoparticles in crystal growth is common and has attracted broad attention ranging from crystallography research to physical chemistry and materials science.
Zhen Sun, Yao Zhang, Zezhou Li, Zhiheng Xie, Yiheng Dai, Xuanxuan Du, Colin Ophus, Jihan Zhou   +7 more
doaj   +1 more source

Investigating Elastic Deformation of Ordered Precipitates by Ab Initio-Informed Phase-Field Crystal Modeling

Metals
Ni-based superalloys, essential for high-temperature applications, derive strength from coherent second-order precipitates that impede dislocation motion through coherency misfit and elastic mismatch.
Jacob Holmberg-Kasa, Pär A. T. Olsson, Martin Fisk   +2 more
doaj   +1 more source