Results 211 to 220 of about 17,173 (248)

Uncovering Exotic Topological Quantum States in Pure and Magnetically‐Doped Pyrite OsS2

Advanced Quantum Technologies, EarlyView.
Pyrite‐structured OsS2 is identified as a fragile topological insulator with an unprecedented 602 meV bandgap, featuring helical surface states and van Hove singularities amenable to ARPES verification. Magnetic doping with Pd, Fe, Ni, or Co induces phase transitions to strong topological insulators, semimetals, 3D quantum anomalous Hall insulators ...
Ali Sufyan, Hasan M. Abdullah, Gustav Johansson, Alexander C. Tyner, Hafiz Adil Qayyum, Ghulam Abbas Gilani, Rovi Angelo B. Villaos, Zhi‐Quan Huang, Feng‐Chuan Chuang, J. Andreas Larsson   +9 more
wiley   +1 more source

Colloidal Quasi‐2D Cs2AgBiBr6 Double Perovskite Nanosheets: Synthesis and Application as High‐Performance Photodetectors

Small, EarlyView.
Layered quasi‐2D Cs2AgBiBr6 nanosheets, with large lateral dimensions of up to 1.4 µm, which are only a few nanometers thick, were synthesized as a result of systematic investigation of the roles of ligands and reaction temperature. The nanosheets were used to develop high‐performance photodetectors, yielding detectivity in the order of 1012 Jones with
Pannan I. Kyesmen, Eugen Klein, Brindhu Malani S, Rostyslav Lesyuk, Christian Klinke   +4 more
wiley   +1 more source

Large Unsaturated Magnetoresistance in Gated MoS2 Flakes

Small, EarlyView.
Magnetotransport investigation of layered MoS2 crystals in field‐effect devices reveals strong dependence on thickness and carrier density. Monolayer MoS2 exhibits the highest magnetoresistance of 680%. A combination of density functional theory and Boltzmann transport equation simulations shows that band transport is not causing the magnetic behavior,
Anoir Hamdi, Dominik Dettmann, Andrés Rafael Botello‐Méndez, Atiye Pezeshki, Lilian Skokan, Andreas Ruediger, Gianluca Fiori, Zeila Zanolli, Emanuele Orgiu   +8 more
wiley   +1 more source

Chelating Coordination Regulates Perovskite Crystallization and Defect Passivation in Sn–Pb Perovskite Solar Cells

Small, EarlyView.
A chelating coordination strategy using ethylenediamine diacetate (EDDA) is introduced to regulate crystallization and passivate defects in Sn–Pb perovskite solar cells. Interfacial coordination at both buried and top surfaces suppresses Sn2+ oxidation, reduces defects, and enhances charge extraction, enabling over 23% efficiency with improved voltage,
Md. Abdul Karim, Shamim Ahmmed, Siliang Cao, Md. Emrul Kayesh, Yulu He, Md. Ataur Rahman, Wasif Islam Chowdhury, Masatoshi Yanagida, Yasuhiro Shirai, Ashraful Islam   +9 more
wiley   +1 more source

Strain‐Modulated Engineering of High‐Entropy Vanadium‐Based Chalcogenide for Sustainable Water Oxidation

Small, EarlyView.
High‐entropy metal chalcogenides (HEMC) incorporating five equimolar transition metals and sulfur were synthesized via an efficient solvothermal method. The resulting HEMC exhibits a single‐phase pyrite (Pa‐3) crystal structure, which was thoroughly characterized using advanced structural analysis techniques. As an anode material, the HEMC demonstrates
Muhammad Zubair, Yongteng Qian, Kyung‐Ho Park, Dae Joon Kang   +3 more
wiley   +1 more source

“Bad Things Happen in Philadelphia”: Managing Stigma and Threats in the Wake of False Criminal Accusations

Symbolic Interaction, EarlyView.
In the aftermath of the 2020 U.S. election, the boundary between activism and extremism blurred, with election officials reporting violent threats and false accusations of election fraud. From a symbolic interactionist perspective, these attacks provide a unique lens for examining the consequences of being falsely labeled a criminal.
Steven Windisch
wiley   +1 more source

Temporal and Spatial Organization in Collaborative Work by Nurses in an Emergency and Critical Care Center

Symbolic Interaction, EarlyView.
This study describes the work at an emergency and critical care center, focusing on the collaboration of multiple nurses when moving patients from the outpatient department to the ward. This study is an ethnomethodological ethnography based on fieldwork at a hospital and analysis of video data. The patient transport process is temporally organized into
Hiroki Maeda, Yumi Nishimura
wiley   +1 more source

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Spin Hall effect devices

Nature Materials, 2012
The spin Hall effect is a relativistic spin-orbit coupling phenomenon that can be used to electrically generate or detect spin currents in non-magnetic systems. Here we review the experimental results that, since the first experimental observation of the spin Hall effect less than 10 years ago, have established the basic physical understanding of the ...
Tomas Jungwirth1, 2*, Jörg Wunderlich1, 3 and Kamil Olejník1, 3   +4 more
exaly   +5 more sources

Antiferromagnetic Inverse Spin Hall Effect

Advanced Materials, 2022
AbstractThe inverse spin Hall effect (ISHE) is one of the accessible and reliable methods to detect spin current. The magnetization‐dependent inverse spin Hall effect has been observed in magnets, expanding the dimension for spin‐to‐charge conversion.
Lin Huang, Yongjian Zhou, Hongsong Qiu, Hua Bai, Chong Chen, Weichao Yu, Liyang Liao, Tingwen Guo, Feng Pan, Biaobing Jin, Cheng Song   +10 more
openaire   +4 more sources

Spin Hall effects

Reviews of Modern Physics, 2015
In solid-state materials with strong relativistic spin-orbit coupling, charge currents generate transverse spin currents. The associated spin Hall and inverse spin Hall effects distinguish between charge and spin current where electron charge is a conserved quantity but its spin direction is not.
Jairo Sinova, Sergio O. Valenzuela, J. Wunderlich, C. H. Back, T. Jungwirth   +4 more
openaire   +3 more sources