Results 51 to 60 of about 6,554 (262)

Behavioral Patterns of Children Involved in Bullying Episodes

Frontiers in Psychology, 2018
This study applied a systematic observation strategy to identify coercive behavioral patterns in school environments. The aim was to describe stability and change in the behavioral patterns of children identified as victims of bullying.
Carlos V. Santoyo, Brenda G. Mendoza
doaj   +1 more source

Interaction‐Driven Assembly Pathways in Heterogeneous Active Microrobotic Systems

Advanced Functional Materials, EarlyView.
Peanut‐ and cube‐shaped light‐powered microrobots exhibit distinct magnetic and photocatalytic responses that determine their heterogeneous self‐assembly. In the dark, magnetic dipole interactions drive colloidal copolymerization with cubes acting as nucleation centers, whereas under light irradiation, phoretic interactions compete with magnetic ...
Domenico Calabrò, Roshan Velluvakandy, Martin Pumera, Francesco Priolo, Salvo Mirabella, Mario Urso   +5 more
wiley   +1 more source

Numerical solution to inverse elliptic problem with Neumann type overdetermination and mixed boundary conditions

Electronic Journal of Differential Equations, 2015
This article studies the numerical solution of inverse problems for the multidimensional elliptic equation with Dirichlet-Neumann boundary conditions and Neumann type overdetermination.
Charyyar Ashyralyyev, Yasar Akkan
doaj  

Sultanic and Dark Rituals in the Ottoman Empire

Dirāsāt fī al-tārīẖ wa-al-āṯār
Objectives: This study aims to examine the diverse sultanic, religious, social, military, and coercive rituals that shaped political authority in the Ottoman Empire from 1299 to 1924.
Abdelqadir Houti
doaj   +1 more source

Spin Dynamics in the van der Waals Ferromagnet CrTe2 Engineered by Niobium Doping

Advanced Functional Materials, EarlyView.
Spin‐dynamic magnetic properties of van der Waals (vdW) ferromagnet 1T‐CrTe2 are tuned via niobium (Nb) as Cr1‐xNbxTe2 (x = 0–0.2). Nb doping enables wide‐band tuning of the resonance frequency from 40 GHz down to the few‐GHz regime, accompanied by a moderate increase in the Gilbert damping from ∼0.066 to ∼0.14.
Dhan Raj Lawati, Prem Bahadur Karki, Jitender Kumar, Karishma Prasad, Mohamed A. Elekhtiar, Kai Huang, Bibek Tiwari, Suvechhya Lamichhane, Rupak Timalsina, Zane Hubble, Ayodimeji E. Aregbesola, John Watt, Sy‐Hwang Liou, Evgeny Y. Tsymbal, Jian Wang, Kapildeb Ambal, Abdelghani Laraoui   +16 more
wiley   +1 more source

The effect of Cu on phase stability and magnetic properties of τ-MnAl: A comparative study of Mn55-xAl45Cux and Mn55Al45-xCux (x = 0.0, 2.0, 2.5) alloys

Heliyon
The hard ferromagnetic τ-phase in Mn-Al material system continues to attract attention since it has potential to be developed as permanent magnet without the use of critical/expensive elements.
A.J. Echeverri R, M. Sánchez, L.T. Amaya, L.V. Girón, J.G. Ramírez, A. Cardona- Rodríguez, J.A. Tabares, G.A. Pérez Alcázar, H.D. Colorado, J.L. Valenzuela, F. Maccari, J.S. Trujillo Hernandez   +11 more
doaj   +1 more source

Effect of Cathodic Hydrogen Evolution on the Coercivity and Thermal Stability of Sintered NdFeB Magnets

Rare Metal Materials and Engineering, 2017
Abstract The effect of cathodic hydrogen evolution on coercivity and thermal stability was investigated in sintered NdFeB magnets. The magnetic properties, phase structure and morphology were studied by SQUID-VSM, DSC, XRD, TEM and SEM. After cathodic hydrogen evolution, the Hcj decreases from 1034.8 kA·m−1 to 963.16 kA·m−1.
Nan Haiyang, Zhu Liqun, Liu Huicong, Li Weiping   +3 more
openaire   +2 more sources

Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing

Advanced Materials, EarlyView.
This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long, Huanyu Zhou, Jaewan Ko, Hongwei Tan, Jaemin Lim, Yanfei Zhao, Daehan Kang, Eojin Yoon, Gyeong‐Tak Go, Somin Kim, Seung‐Woo Lee, Chan‐Yul Park, Hyojun Choi, Hyeran Kim, Hyung Joong Yun, Sung Hyuk Park, Kwan Sik Park, Jeong Woo Park, Mungeun Kim, Yong Soo Cho, Ho Won Jang, Wenqiang Yang, Min Hyuk Park, Wan Ki Bae, Sebastiaan van Dijken, Joona Bang, Tae‐Woo Lee   +26 more
wiley   +1 more source

Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine

Advanced Materials, EarlyView.
A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen, Boris Rivkin, David Castellanos‐Robles, Ivan Soldatov, Lukas Beyer, Mariana Medina‐Sánchez   +5 more
wiley   +1 more source

Well-posedness of an elliptic equation with involution

Electronic Journal of Differential Equations, 2015
In this article, we study a mixed problem for an elliptic equation with involution. This problem is reduced to boundary value problem for the abstract elliptic equation in a Hilbert space with a self-adjoint positive definite operator. Operator tools
Allaberen Ashyralyev, Abdizhahan M. Sarsenbi   +1 more
doaj