Results 121 to 130 of about 10,107,894 (288)

An electron bombardment thruster operated with a cusped magnetic field [PDF]

open access: yes, 1969
Performance of two electron bombardment thrusters with axial magnetic field and superimposed cusp magnetic ...
Cohen, A. J.
core  

Influence of an axial magnetic field on the multiple scattering of particle beams

open access: yes, 1978
A diffusion equation is derived for the multiple scattering of a beam of particles in matter in the presence of an axial magnetic field.
Farley, F.J.M. (author)   +2 more
core   +1 more source

Switching Superconductivity with Uniaxial Strain in a high‐Tc${\rm T}_{c}$ Cuprate Superconductor

open access: yesAdvanced Functional Materials, EarlyView.
Uniaxial strain is demonstrated as a new scheme for a superconductivity switch. Exploiting the large strain‐induced Tc shift in a cuprate superconductor enables robust switching between superconducting and normal states over 100 cycles with only 0.1% strain.
Baizhi Gao   +3 more
wiley   +1 more source

Electronic structure of self-assembled InAs quantum disks in an axial magnetic field and two-electron quantum-disk qubit

open access: yes, 2004
We have studied the single-electron and two-electron vertically assembled quantum disks in an axial magnetic field using the effective mass approximation.
Dong, QR   +5 more
core  

Efficient Magnetization Switching Driven by Orbital Torque in Light 3d Transition‐Metal Nitrides

open access: yesAdvanced Functional Materials, EarlyView.
Efficient magnetization switching is demonstrated through orbital torque generated from light 3d transition‐metal nitride. Transition‐metal nitrides are established as effective sources of orbital angular momentum for current‐induced switching, highlighting their potential for low‐power next‐generation orbitronic devices beyond conventional heavy‐metal‐
Gaurav K. Shukla   +3 more
wiley   +1 more source

Structural Optimization of a Giant Magnetostrictive Actuator Based on BP-NSGA-II Algorithm

open access: yesActuators
This study introduces an integrated structural optimization design method based on a BP neural network and NSGA-II multi-objective genetic algorithm. Initially, a two-dimensional axisymmetric finite element model of the Giant Magnetostrictive Actuator ...
Yang Liu, Jianjun Meng, Tailong Li
doaj   +1 more source

Modulation of Surface‐Associated Transport in (Bi1‐xSbx)2Te3 via Battery‐ Inspired Solid‐State Iontronic Gating

open access: yesAdvanced Functional Materials, EarlyView.
Iontronic gating in a battery‐inspired device modulates the relative weight of surface‐associated and bulk‐like transport fingerprints in (Bi1‐xSbx)2Te3, resulting in phenomenological valve‐like transport behavior. The strongest WAL‐associated coherent transport signatures emerge near the transport‐defined carrier compensation regime at ultra‐low gate ...
Gabriel Vinicius de Oliveira Silva   +5 more
wiley   +1 more source

A Highly Integrated Permanent-Magnet-Biased Five-Degree-of-Freedom Magnetic Bearing for Flywheel Energy Storage Systems: Electromagnetic Design and Compensation-Winding Decoupling Performance

open access: yesEnergies
Conventional five-degree-of-freedom (5-DOF) magnetic bearing supports often require a large axial span, while highly integrated magnetic circuits can introduce axial–radial flux coupling through shared return paths.
Peihua Hao   +3 more
doaj   +1 more source

Tangential Velocity Profile for Axial Flow Through Two Concentric Rotating Cylinders with Radial Magnetic Field

open access: yes, 2014
A closed form solution of the Navier-Stokes equations has been obtained in the case of steady axisymmetric flow of an incompressible electrically conducting viscous fluid between two concentric rotating cylinders composed of an insulating material under ...
Nath, Girishwar
core   +1 more source

Scalable Fabrication of Thermally Reconfigurable Ge Metasurfaces Using Stencil Lithography for Mid‐Infrared Molecular Fingerprinting

open access: yesAdvanced Functional Materials, EarlyView.
Scalable stencil lithography enables resist‐free fabrication of high‐index Ge metasurfaces for mid‐infrared molecular fingerprinting. Reversible thermo‐optic tuning provides post‐fabrication spectral control for precise resonance–vibration mode alignment, enabling enhanced molecular fingerprinting of microplastic particles.
Shovasis Kumar Biswas   +6 more
wiley   +1 more source

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