Control of active liquid crystals with a magnetic field | PNAS

2016-5-17 · Fig. 1. Alignment of the active nematic with a magnetic field. (A) Fluorescence micrograph of the active nematic with a pair of complementary +1/2 (blue) and −1/2 (red) defects highlighted.(B–H) Fluorescence micrographs with different configurations of the active nematic in the presence of a 4-kG uniform magnetic field.(B) The active fluid is initially in contact with nematic 8CB, which is ...

Orientation Control of Graphene Flakes by Magnetic …

2017-3-23 · with three techniques: mechanical shear stress, electrical fields, or magnetic fields. Mechanical alignment is an old and general method that can be applied to almost every nanomaterial, but the control by a magnetic or electrical field offers more flex-ibility and is more suitable for device applications. Magnetic or

Control of Ultracold Photodissociation with Magnetic Fields

2018-4-27 · becomes possible to control its outcome by applying modest electric or magnetic fields. This occurs because the size of Stark or Zeeman shifts can be much greater than the kinetic energy [1,2], and the density of molecular states is high near the threshold, facilitating mixing by external fields [3]. Field control, including coherent control, of

Phys. Rev. B 92, 125418 (2015)

2015-9-14 · Magnetic field control of near-field radiative heat transfer and the realization of highly tunable hyperbolic thermal emitters E. Moncada-Villa, V. Fernández-Hurtado, F. J. García-Vidal, A. García-Martín, and J. C. Cuevas Phys. Rev. B 92, 125418 – Published 14 September 2015

Magnetic field control of charge excitations in CoFe2O4 ...

2018-6-28 · Moreover, magnetoresistance in CoFe 2 O 4 (−8%) is significantly stronger than that in NiFe 2 O 4 (−6.5%)—even though the 1.5 T field applied here is not enough to fully saturate the Co moments. Spin-dependent excitations can be manipulated with external electric and/or magnetic fields in Y 3 Fe 5 O 12 as well. 53 53.

Control of active liquid crystals with a magnetic field

Control of active liquid crystals with a magnetic field Pau Guillamat a,b, Jordi Ignés-Mullol, and Francesc Saguésa,b,1 aDepartament de Química Física, Universitat de Barcelona, 08028 Barcelona, Catalonia, Spain; and bInstitute of Nanoscience and Nanotechnology, Universitat de Barcelona, 08028 Barcelona, Catalonia, Spain Edited by Nicholas L. Abbott, University of Wisconsin, Madison, WI ...

High Magnetic Fields Control Both Rate and Product of ...

2021-7-19 · High Magnetic Fields Control Both Rate and Product of Chemical Reactions. Jul 19, 2021. Recently, using the SM1 superconducting magnet, a large scientific device with a steady-state high magnetic field, scientists carried out research on special functional materials and found that high magnetic fields can effectively regulate the rate, reaction ...

Electric-field control of spin dynamics during magnetic ...

Electric-field control of spin dynamics during magnetic phase transitions. 1 Institute of Microelectronics, Tsinghua University, Beijing 100084, China. 2 Department of Electrical and Computer Engineering, Northeastern University, Boston, MA 02115, USA. 3 Department of Materials Science and Engineering, University of California, Berkeley ...

Electric Field Control of the Magnetic Weyl Fermion in an ...

2021-7-24 · Here, the electric field control of the magnetic Weyl fermion is demonstrated in an epitaxial SrRuO 3 (111) thin film. The magnetic Weyl fermion in the SrRuO 3 films is indicated by the chiral anomaly induced magnetotransport, and is verified by the observed Weyl nodes in the electronic structures characterized by the angle-resolved ...

Magnetic Fringe-Field Control of Electronic Transport in ...

2012-6-27 · Figure 1 Fringe fields from the magnetic electrode. (a) X-ray microscopy image of the magnetic electrode at the coercive field (corresponding to m = 0).The signal is due to the dichroic absorption of circularly polarized x rays at the L 3 Co absorption edge incident normal to the film surface. The image is 5 × 5 μ m 2.The fringe fields were calculated from these images using OOMMF code [].

Magnetic Field Dynamic Strategies for the …

This work shows the ability to remotely control the paracrine performance of mesenchymal stromal cells (MSCs) in producing an angiogenesis key molecule, vascular endothelial growth factor (VEGF-A), by modulation of an external magnetic field. This work compares for the first time the application of static and dynamic magnetic fields …

Precision magnetic field modelling and control for ...

Precision magnetic field modelling and control for wearable magnetoencephalography. Author links open overlay panel Molly Rea a * Niall Holmes a * Ryan M. Hill a Elena Boto a James Leggett a Lucy J. Edwards a David Woolger b Eliot Dawson b Vishal Shah c James Osborne c Richard Bowtell a Matthew J. Brookes a. Show more.

Magnetic field control system

Magnetic Measurement Shielding Equipments. Shield tube Shielded room Geomagnetic shielding system. System test. Tesla verification system Multi-dimensional magnetic field test system Magnetic field control system Hall Effect Test System Multi-point array detection system Geomagnetic shielding / generating system. General measurement equipment.

Magnetic Field Control in Synchrotrons

2010-12-6 · High precision magnetic field online measurement systems are successfully in operation, using normally reference dipoles and NMRs, e.g. [2, 3]. Our proposed set-up [4] for a magnet-by-field control covering both dipoles and quadrupoles is the following combined system: To measure an absolute magnetic field strength at

Control technology in a magnetic field | Press | Company ...

2020-1-27 · Control technology in a magnetic field – Velan Group and Siemens rely on close cooperation for valve development. The Velan Group is a world leader in the design and production of cast and forged steel valves for the chemical and pharmaceutical industry. One product manufactured by the company is cryogenic control valves, i.e. valves for use ...

Electromagnet Field Control Platform,magnetic measuremen…

Control of magnetism by electric fields | Nature ...

Open-Loop Orientation Control Using Dynamic Magnetic …

2020-7-14 · Remote magnetic control of soft magnetic objects has been limited to 2D orientation and 3D position. In this letter, we extend the five degree-of-freedom (5-DoF) control approach to full 6-DoF. We prove that 6-DoF control is possible for objects that have an apparent magnetic susceptibility tensor with unique eigenvalues. We further show that the object''s orientation can be specified with a ...

Phys. Rev. B 92, 174411 (2015)

2015-11-9 · Magnetic field control of the spin Seebeck effect Ulrike Ritzmann, Denise Hinzke, Andreas Kehlberger, Er-Jia Guo, Mathias Kläui, and Ulrich Nowak Phys. Rev. …

Magnetic Field Control

1998-9-25 · Magnetic Field Control The Model 1525 Magnetic Field Control, when operated correctly, ensures that the Electron Beam Tubes are operated within the proper magnetic field also provides automatic energizing of the internal and external magnets.

Control of magnetism by electric fields | Nature ...

2015-3-5 · Electric fields can also be used to control DW motion under an external magnetic field, as shown in Co wires. Here, the applied electric field modifies the creep velocity of the DW by over an ...

Magnetic shell provides unprecedented control …

2013-1-4 · Magnetic shell provides unprecedented control of magnetic fields. The newly designed magnetic shell can either expel or concentrate magnetic energy. In the left panels, a small dipole magnet in (a ...

Configurations and control of magnetic fields for ...

2014-6-6 · Configurations and control of magnetic fields for manipulating magnetic particles in microfluidic applications: magnet systems and manipulation mechanisms Q. Cao, X. Han and L. Li, Lab Chip, 2014, 14, 2762 DOI: 10.1039/C4LC00367E

Magnetic Field Control

2005-6-20 · Magnetic Field Control Ramesh Gupta Superconducting Magnet Division Brookhaven National Laboratory. Superconducting Magnet Division KEK-BNL on Combined Function Magnets, June 12, 2003 Slide No. 2 Ramesh Gupta, BNL Similarities Between RHIC and KEK Magnets

Magnetic Fields Can Remotely Control Brain Cells …

2017-8-30 · Magnetic Fields Can Remotely Control Brain Cells in Mice By Tia Ghose 30 August 2017 A transmitted light image shows cells (in green) that are turned on remotely using magnetic fields.

How can I control the magnetic field? | Physics Forums

 · Magnetic fields add. The long solenoid and infinite current sheet are both systems that produce a nice, straight magnetic field (which was what you initially sounded like you were asking for). They do that because, when you add together all the fields due to all the individual "pieces" of current, the sum is a nice, straight field. I don''t know ...

Magnetic Rendering: Magnetic Field Control for Haptic …

2017-1-31 · Magnetic Rendering: Magnetic Field Control for Haptic Display by Qi Zhang Thesis submitted to the Faculty of Graduate and Postdoctoral Studies In partial ful llment of the requirements For the M.A.Sc. degree in Electrical and Computer Engineering School of Electrical Engineering and Computer Science Faculty of Engineering University of Ottawa

Electric field control of magnetism: multiferroics …

2021-5-28 · Electric-field control of magnetic orientation through interfacial exchange coupling. Perhaps the most significant breakthrough in the last years is the demonstration that the magnetization in conventional ferromagnets (e.g., Co 1–x Fe x) can be rotated by 180° by an electric field …

Magnetic field control of fluorescent polymer nanorods

2012-5-31 · Magnetic field control of fluorescent polymer nanorods This article has been downloaded from IOPscience. Please scroll down to see the full text article. ... Magnetic field control of fluorescent polymer nanorods Taehyung Kim 1,LeHe, Jason R Morales2, W P Beyermann3 and

High magnetic fields control both rate and product of ...

2021-7-20 · High magnetic fields control both rate and product of chemical reactions. by Zhang Nannan, Chinese Academy of Sciences. Schematic diagram of magnetic field …

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