Results 11 to 20 of about 798,637 (316)

Magnetic Structure and Origin of Insulating Behavior in the Ba2CuOsO6 System, and the Role of A-Site Ionic Size in Its Bandgap Opening: Density Functional Theory Approaches [PDF]

open access: yesNanomaterials, 2021
The magnetic structure and the origin of band gap opening for Ba2CuOsO6 were investigated by exploring the spin exchange interactions and employing the spin–orbit coupling effect. It revealed that the double-perovskite Ba2CuOsO6, composed of the 3d (Cu2+)
Taesu Park   +4 more
doaj   +2 more sources

Theoretical Study of Microwires with an Inhomogeneous Magnetic Structure Using Magnetoimpedance Tomography [PDF]

open access: yesSensors
The recently proposed magnetoimpedance tomography method is based on the analysis of the frequency dependences of the impedance measured at different external magnetic fields.
Nikita A. Buznikov   +1 more
doaj   +2 more sources

Non Linear Proper Generalized Decomposition method applied to the magnetic simulation of a SMC microstructure [PDF]

open access: yes, 2012
Improvement of the magnetic performances of Soft Magnetic Composites (SMC) materials requires to link the microstructures to the macroscopic magnetic behavior law.
CLENET, Stephane   +2 more
core   +1 more source

Helimagnetism in MnBi2Se4 Driven by Spin-Frustrating Interactions Between Antiferromagnetic Chains

open access: yesCrystals, 2021
We report the magnetic properties and magnetic structure determination for a linear-chain antiferromagnet, MnBi2Se4. The crystal structure of this material contains chains of edge-sharing MnSe6 octahedra separated by Bi atoms.
Judith K. Clark   +3 more
doaj   +1 more source

The Role of Sunspots Magnetic Configuration in the Formation of Umbral Fine-Structures [PDF]

open access: yesIranian Journal of Astronomy and Astrophysics, 2023
We use spectro-polarimetric data recorded by Hinode to analyze the magnetic field configuration of a part of a sunspot (AR10923) where a bundle of penumbral filaments are intruding into its umbra.
Hashem Hamedivafa
doaj   +1 more source

The Effect of Ne+ Ion Implantation on the Crystal, Magnetic, and Domain Structures of Yttrium Iron Garnet Films

open access: yesCrystals, 2022
The mechanism of the influence of crystal inhomogeneities on the magnetic and domain microstructures of functional materials based on yttrium iron garnet heterostructures is an important subject of investigation due to the aim to predict parameters for ...
Igor Fodchuk   +6 more
doaj   +1 more source

Resistive switching effect of N-doped MoS2-PVP nanocomposites films for nonvolatile memory devices

open access: yesAIP Advances, 2017
Resistive memory technology is very promising in the field of semiconductor memory devices. According to Liu et al, MoS2-PVP nanocomposite can be used as an active layer material for resistive memory devices due to its bipolar resistive switching ...
Zijin Wu   +7 more
doaj   +1 more source

Preparation of Ultrahigh Molecular Weight Polyethylene/Graphene Nanocomposite In situ Polymerization via Spherical and Sandwich Structure Graphene/Sio2 Support

open access: yesNanoscale Research Letters, 2018
Reduced graphene oxide/SiO2 (RGO/SiO2) serving as a novel spherical support for Ziegler-Natta (Z-N) catalyst is reported. The surface and interior of the support has a porous architecture formed by RGO/SiO2 sandwich structure.
Enqi Su   +7 more
doaj   +1 more source

Novel weak alignment techniques for nuclear magnetic resonance spectroscopy and applications to biomolecular structure determination [PDF]

open access: yes, 2004
Nuclear magnetic resonance spectroscopy has continuously been developing ever since its introduction as a structural method in bioscience. Recently established residual dipolar coupling techniques yield information on long-range order in weakly ...
Meier, Sebastian
core   +1 more source

A Supramolecular Interaction of a Ruthenium Complex With Calf-Thymus DNA: A Ligand Binding Approach by NMR Spectroscopy

open access: yesFrontiers in Chemistry, 2019
Lawsone itself exhibits interesting biological activities, and its complexation with a metal center can improve the potency. In this context a cytotoxic Ru-complex, [Ru(law)(dppb)(bipy)] (law = lawsone, dppb = 1,4-bis(diphenylphosphino)butane and bipy ...
Flávio Vinícius Crizóstomo Kock   +5 more
doaj   +1 more source

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