Results 151 to 160 of about 65,044 (378)

Strain-activated structural anisotropy in BaFe2As2

, 2016
High-resolution single crystal neutron diffraction measurements are presented probing the magnetostructural response to uniaxial pressure in the iron pnictide parent system BaFe2As2.
Birgeneau, R. J., Chen, Xiang, Harriger, Leland, Sefat, Athena, Wilson, Stephen D.   +4 more
core   +1 more source

THE ANTIFERROMAGNETIC POTTS MODEL

Modern Physics Letters B, 2011
We review the exact results on the various critical regimes of the antiferromagnetic Q-state Potts model. We focus on the Bethe Ansatz approach for generic Q, and describe in each case the effective degrees of freedom appearing in the continuum limit.
openaire   +4 more sources

Coexisting Non‐Trivial Van der Waals Magnetic Orders Enable Field‐Free Spin‐Orbit Torque Magnetization Dynamics

Advanced Materials, EarlyView.
The coexistence of ferromagnetic and antiferromagnetic orders in van der Waals magnet above room temperature, inducing an intrinsic exchange bias and canted perpendicular magnetism is discovered. Such non‐trivial intrinsic magnetic order enables the realization of energy‐efficient and magnetic field‐free spin‐orbit torque memory devices.
Bing Zhao, Lakhan Bainsla, Soheil Ershadrad, Lunjie Zeng, Roselle Ngaloy, Peter Svedlindh, Eva Olsson, Biplab Sanyal, Saroj P. Dash   +8 more
wiley   +1 more source

A Microscopic Derivation of the SO(5)-Symmetric Landau-Ginzburg Potential

, 1997
We construct a microscopic model of electron interactions which gives rise to both superconductivity and antiferromagnetism, and which admits an approximate SO(5) symmetry that relates these two phases.
C. P. Burgess, C. P. Burgess, D. L. Feder, E. Demler, I. S. Gradshteyn, J. M. Cline, J. Polchinski, M. Greiter, P.-C. Dai, R. MacKenzie, R. Ray, R. Shankar, S. Stintzing, S.-C. Zhang, V. S. Kapitonov   +14 more
core   +1 more source

Tailoring Robust Quantum Anomalous Hall Effect via Entropy‐Engineering

Advanced Materials, EarlyView.
Bandstructure renormalization, without (w/o) spin‐orbit interaction (SOI) (left) and with SOI (right), in the low‐energy Dirac bands of zero‐entropy (purple) and entropic (green) VCl3 monolayer (ML) with long‐range ordering (LRO). Abstract The development of quantum materials and the tailoring of their functional properties is of fundamental interest ...
Syeda Amina Shabbir, Frank Fei Yun, Muhammad Nadeem, Xiaolin Wang   +3 more
wiley   +1 more source

Standalone Integrated Magnonic Devices

Advanced Materials, EarlyView.
A standalone (not requiring external bias magnetic field) and tunable magnonic device is reported with all‐electric input and output, fully integrated on silicon (total footprint of 100 × 150 µm) and 3–8 GHz frequency band. This is achieved by monolithic integration of a CoFeB conduit with RF antennas and an assembly of NiFe and SmCo micromagnets ...
M. Cocconcelli, F. Maspero, A. Micelli, A. Toniato, A. Del Giacco, N. Pellizzi, A. E. Plaza, A. Cattoni, M. Madami, R. Silvani, C. Adelmann, A. A. Hamadeh, P. Pirro, S. Tacchi, F. Ciubotaru, R. Bertacco   +15 more
wiley   +1 more source

Spin Engineering of Dual‐Atom Site Catalysts for Efficient Electrochemical Energy Conversion

Advanced Materials, EarlyView.
This review highlights recent progress in spin engineering of dual‐atom site catalysts (DASCs), emphasizing how spin‐related properties enhance electrocatalytic activity, selectivity, and stability. It summarizes cutting‐edge developments in dual‐atom catalysis, discusses the underlying spin‐catalysis mechanisms and structure–performance relationships,
Dongping Xue, Yu Zhao, Jianliang Cao, Yan Wang, Xiaoning Li, Tianyi Ma   +5 more
wiley   +1 more source

Low Field Magnetic and Thermal Hysteresis in Antiferromagnetic Dysprosium

Metals, 2017
Magnetic and thermal hysteresis (difference in magnetic properties on cooling and heating) have been studied in polycrystalline Dy (dysprosium) between 80 and 250 K using measurements of the reversible Villari effect and alternating current (AC ...
Iuliia Liubimova, Miguel Lluís Corró Moyà, Joan Torrens-Serra, Vicente Recarte, José Ignacio Pérez-Landazábal, Sergey Kustov   +5 more
doaj   +1 more source

Revealing the Altermagnetism in Hematite via XMCD Imaging and Anomalous Hall Electrical Transport

Advanced Materials, EarlyView.
This study combines X‐ray magnetic imaging and electrical transport to uncover the anomalous Hall effect in hematite, an insulating oxide exhibiting unconventional altermagnetic properties. Imaging reveals distinct magnetic domains linked to crystal symmetry, and angular‐dependent transport measurements highlight unusual symmetry‐driven conductivity ...
Edgar Galindez‐Ruales, Rafael Gonzalez‐Hernandez, Christin Schmitt, Shubhankar Das, Felix Fuhrmann, Andrew Ross, Evangelos Golias, Akashdeep Akashdeep, Laura Lünenbürger, Eunchong Baek, Wanting Yang, Libor Šmejkal, Venkata Krishna, Rodrigo Jaeschke‐Ubiergo, Jairo Sinova, Avner Rothschild, Chun‐Yeol You, Gerhard Jakob, Mathias Kläui   +18 more
wiley   +1 more source

AC/DC Susceptibility of the Heavy-Fermion Superconductor CePt3Si under Pressure

, 2007
We have investigated the pressure dependence of ac and dc susceptibilities of the heavy-fermion superconductor CePt3Si (Tc= 0.75 K) that coexists with antiferromagnetism (TN = 2.2 K). As hydrostatic pressure is increased, Tc first decreases rapidly, then
Bauer E., Bonalde I., Fujimoto S., Gribanov A. V., Hayashi N., Izawa K., Kim J. S., Motoyama G., Nakatsuji K., Nicklas M., Scheidt E.-W., Takeuchi T., Tateiwa N., Ueda K., Yanase Y., Yasuda T., Yogi M.   +16 more
core   +1 more source