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We experimentally demonstrate stable trapping of a permanent magnet sphere above a lead superconductor, in vacuum pressures of $4 \times 10^{-8}$~mbar. The levitating magnet behaves as a harmonic oscillator, with frequencies in the 4-31~Hz…

Applied Physics · Physics 2019-11-28 Chris Timberlake , Giulio Gasbarri , Andrea Vinante , Ashley Setter , Hendrik Ulbricht

For two decades, NdFeB based magnets have been a critical component in a range of electrical devices engaged in energy production and conversion. The magnet shape and the internal microstructure of the selected NdFeB grade govern their…

Instrumentation and Detectors · Physics 2016-11-17 J. Jacimovic , F. Binda , L. G. Herrmann , F. Greuter , J. Genta , M. Calvo , T. Tomse , R. A. Simon

We present the results of numerical simulation of magnetodielectric effect (MDE) in magnetorheological elastomers (MRE) - the change of effective permittivity of elastomer placed under the external magnetic field. The computer model of…

Soft Condensed Matter · Physics 2019-03-25 Danil Isaev , Anna Semisalova , Yulia Alekhina , Liudmila Makarova , Nikolai Perov

Suppose there is a large file which should be transmitted (or stored) and there are several (say, m) admissible data-compressors. It seems natural to try all the compressors and then choose the best, i.e. the one that gives the shortest…

Information Theory · Computer Science 2018-09-11 Boris Ryabko

Magnetic programming soft machines has great development prospects in the fields of minimally invasive medicine, wearable device and soft robot. However, unrepeatable magnetization and low modulus limits their applications. So far, there…

Materials Science · Physics 2021-11-30 Ran Zhao , Guopeng Zhou , Hanchen Yao , Houde Dai

All current estimations of the energy released by type I ELMs indicate that, in order to ensure an adequate lifetime of the divertor targets on ITER, a mechanism is required to decrease the amount of energy released by an ELM, or to…

Learnable embedding vector is one of the most important applications in machine learning, and is widely used in various database-related domains. However, the high dimensionality of sparse data in recommendation tasks and the huge volume of…

Machine Learning · Computer Science 2024-02-14 Hailin Zhang , Penghao Zhao , Xupeng Miao , Yingxia Shao , Zirui Liu , Tong Yang , Bin Cui

Magnetic Soft Catheters (MSCs) are capable of miniaturization due to the use of an external magnetic field for actuation. Through careful design of the magnetic elements within the MSC and the external magnetic field, the shape along the…

Robotics · Computer Science 2023-11-01 Joshua Davy , Peter Lloyd , James H. Chandler , Pietro Valdastri

Magnetoelectric (ME) materials are of fundamental interest and have been investigated for their broad potential for technological applications. The search for, and eventually the theoretical design of, materials with large ME couplings…

Materials Science · Physics 2014-02-06 Meng Ye , David Vanderbilt

Magnetic flux dynamics in type-II superconductors is studied within the model of a viscous nonlinear diffusion of vortices for various sample geometries. We find that time dependence of magnetic moment relaxation after the field is switched…

Superconductivity · Physics 2013-04-02 Mihajlo Vanevic , Zoran Radovic , Vladimir G. Kogan

We design and demonstrate a compact, robust and simple to assemble and tune permanent magnet suitable for NMR relaxometry measurements of microfluidic flows. Soft-magnetic stainless steel plates, incorporated inside the magnet airgap, are…

Applied Physics · Physics 2023-01-25 Dmytro Polishchuk , Han Gardeniers

Electroadhesive clutches are electrically controllable switchable adhesives commonly used in soft robots and haptic user interfaces. They can form strong bonds to a wide variety of surfaces at low power consumption. However, electroadhesive…

Robotics · Computer Science 2025-07-29 Ahad M. Rauf , Sean Follmer

Any single molecular magnets (SMM) perspective for application is as good as its magnetization stability in ambient conditions. Endohedral metallofullerenes (EMFs) provide a solid basis for promising SMMs. In this study, we investigated the…

Materials Science · Physics 2018-04-24 Stanislav Avdoshenko

A storage ring provides an attractive option for directly measuring the electric dipole moment~(EDM) of charged particles. To reach a sensitivity of 10^-29 e x cm, it is critical to mitigate the systematic errors from all sources. This…

Accelerator Physics · Physics 2016-11-16 Mei Bai , Yann Dutheil , David Sagan

A Faraday force magnetometer is presented for measurements of magnetization at temperatures down to 100~mK and in magnetic fields up to 14~T. The specimen is mounted on a flexible cantilever forming a force-sensing capacitor in combination…

Materials Science · Physics 2020-07-22 Dominic Blosser , Leonardo Facheris , Andrey Zheludev

To detach a permanent magnet with a controlled force much smaller than its original attractive force, the Internally-Balanced Magnetic Unit (IB Magnet) was invented and has been applied to magnetic devices such as wall-climbing robots,…

Robotics · Computer Science 2019-12-04 Tori Shimizu , Kenjiro Tadakuma , Masahiro Watanabe , Eri Takane , Masashi Konyo , Satoshi Tadokoro

A microscopic treatment of edge magnetoplasmons (EMPs) is presented for the case of not-too-low temperatures in which the inequality $k_{B}T\gg \hbar v_{g}/\ell_{0}$, where $v_{g}$ is the group velocity of the edge states and $\ell_{0}$ is…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 O. G. Balev , Nelson Studart

Magnetic robotics obviate the physical connections between the actuators and end effectors resulting in ultra-minimally invasive surgeries. Even though such a wireless actuation method is highly advantageous in medical applications, the…

Robotics · Computer Science 2021-07-06 Onder Erin , Xiaolong Liu , Jiawei Ge , Lamar Mair , Yotam Barnoy , Yancy Diaz-Mercado , Axel Krieger

Compositionally complex materials (CCMs) present a potential paradigm shift in the design of magnetic materials. These alloys exhibit long-range structural order coupled with limited or no chemical order. As a result, extreme local…

Well-protected magnetization, tunable quantum states and long coherence time are desired for the use of magnetic molecules in spintronics and quantum information technologies. In this work, endohedral fullerene molecules M@C28 with…

Materials Science · Physics 2022-01-12 Jie Li , Lei Gu , Ruqian Wu