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Tag: Magnet technology

Maglev Trains

This model train demonstrates magnetic levitation, the Meissner Effect and magnetic flux trapping.


How Research Electromagnets Work

Take a journey into the center of a one of our magnets to watch an experiment on graphene, one of many things scientists study at the MagLab.


How Research Electromagnets Work (Cómo funcionan los electroimanes de investigación)

Take a journey into the center of a one of our magnets to watch an experiment on graphene, one of many things scientists study at the MagLab.


Superconductivity 101

They don't call it super for nothing. Once you get a superconductor going, it'll keep on ticking like the Energizer Bunny, only a lot longer. The catch is, it needs to be kept colder than Pluto.


Magnets from Mini to Mighty

If your knowledge of magnets ends with posting a to-do list on the fridge, add this to the list: Learn more about magnets! You can start here with a straightforward rundown of magnet types, uses and strengths, explained in a way that will help make the facts stick.


Intro to high-temperature superconductors

At the National MagLab and other labs across the globe, the race to discover ever-warmer superconductors is heating up. Find out what these materials are, what they’re good for and why this field is red hot.


Nikola Tesla

Awarded more than 100 patents over the course of his lifetime, Nikola Tesla was a man of considerable genius and vision.


Making Electromagnets

What do you get when you mix a battery, a bit of copper wire and a nail? One of the most important forces in science. Try it yourself and let the force be with you!


Makeshift Magnets

Turn your trash into treasure by creating your own high-field magnet models.


Electromagnets

An attractive hands-on lesson on powered electromagnets.


Dirac Fermions Detected Via Quantum Oscillations

This work provides important insight into one of the parent materials of iron-based superconductors.


Quasi-2D to 3D Fermi Surface Topology Change in Nd-Doped CeCoIn5

Scientists found that the emergence of an exotic quantum mechanical phase in Ce1-xNdxCoIn5 is due to a shape change in the Fermi surface. This finding ran counter to theoretical arguments and has led investigators in new directions.


Superconducting Hydride Under Extreme Magnetic Fields and Pressure

Scientists have long pursued the goal of superconductivity at room temperature. This work opens a route towards one day stabilizing superconductivity at room temperature, which could open tremendous technological opportunities.


Evidence Supporting BiPd as a Topological Superconductor

The observation of topological states coupled with superconductivity represents an opportunity for scientists to manipulate nontrivial superconducting states via the spin-orbit interaction. While superconductivity has been extensively studied since its discovery in 1910, the advent of topological materials gives scientists a new avenue to explore quantum matter. BiPd is being studied using "MagLab-sized fields" by scientists from LSU in an effort to determine if it is indeed a topological superconductor.


Fifty Percent Boost for Niobium–tin

MagLab users have modified the critical current of Nb3SN, a material that was thought to be fully exploited, and boosted its performance by 50%.


Extreme Re-Entrant Superconductivity

Studies of uranium ditelluride in high magnetic fields show superconductivity switching off at 35 T, but reoccurring at higher magnetic fields between 40 and 65 T.


Nematic Phase Weakens Superconductivity

A nematic phase is where the molecular/atomic dynamics show elements of both liquids and solids, like in liquid crystal displays on digital watches or calculators. Using high magnetic fields and high pressure, researchers probed the electronic states of an iron-based superconductor and found that its nematic state weakened superconductivity.


Hidden Magnetism Revealed in a Cuprate Superconductor

This research clarifies fundamental relationships between magnetism, superconductivity and the nature of the enigmatic “pseudogap state" in cuprate superconductors. The discovery provides an additional puzzle piece in the theoretical understanding of high-temperature superconductors - a key towards improving and utilizing these materials for technological applications.


Probing a Purported Spin Nematic State Utilizing the World Record 32T All-Superconducting Magnet

Nuclear magnetic resonance measurements were performed in the all-new 32 T superconducting magnet in an effort to confirm a new quantum state. Results confirm the game-changing nature of this magnet.


First Spin Coherence Measurements in the MagLab's 32T Superconducting Magnet

The MagLab's 32 T all-superconducting magnet is now serving users at full field. An early experiment in the magnet identified an important milestone on the road to quantum computers.


Imaging pH Levels With a Cobalt MRI Probe

A new pH sensitive contrast agent for MR imaging has been developed that produces image contrast based on the local pH and that has great potential for use in living animals and medical diagnostics.


Record-Breaking Magnetoresistance Measured in Natural Graphite

Researchers demonstrate a new record magnetoresistance in graphene by improving the contacting method, which helps improve our understanding of the material and can be useful in future sensors, compasses and other applications.


Smart Non-Linear Transport Technique Expands the Frontier of Superconductor Research

Superconductors conduct large amounts of electricity without losses. They are also used to create very large magnetic fields, for example in MRI machines, to study materials and medicine. Here, researchers developed a fast, new "smart" technique to measure how much current a superconductor can carry using very high pulsed magnetic fields.


Ninety Teslas Peek Under the Superconducting Dome of a High-Temperature Superconductor

Physics does not yet know why copper-based superconductors (cuprates) conduct electrical current without dissipation at unprecedentedly high temperatures. Ultra high magnetic fields are used here to suppress superconductivity in a cuprate near absolute zero temperature, revealing an underlying transition to an electronic phase that might be the cause of the superconductivity.


First Science from the 75T Duplex Magnet

Duplex magnets use two independent coils powered by capacitor banks to reduce the driven voltages and provide more design flexibility to maximize the generated magnetic fields. The Pulsed Field Facility developed such a duplex magnet to generate magnetic field up to 76.8 Tesla using existing 16-kV, 4-MJ capacitor bank (cap-bank) that now provides important information on a new state of matter in YbB12.


Magic Gap Ratio at the "BCS Superconducting to Bose-Einstein Condensate" Crossover in the High-Tc Cuprates

A defining experimental signature of a crossover in the strength of the pairing interactions from the weak coupling BCS to the strong coupling Bose-Einstein condensation limit has been discovered in high temperature superconductors.


Ceramic Insulation for High-Temperature Superconducting Wire

MagLab scientists and engineers have developed a special coating on Bi-2212 superconducting wire for electrical insulation in superconducting magnets that will enable the wire to be used in ultra-high field nuclear magnetic resonance magnets.


In-House Fabrication of Outsert Coil 1 for the 100T Pulsed Magnet

Pulsed magnets are designed to operate near their structural limits to be able to generate extremely high magnetic fields. The coils have a limited life expectancy and thus need to be replaced on occasion. Fabrication of these large coils are now being done at the MagLab where advanced nondestructive examinations can be performed. Because of more rigorous quality controls and improvements in high-strength conductors and reinforcement materials, the lifetime of these coils can be extended.


REBCO Fatigue Testing Shows Promise for Future Magnets

Tests of high-temperature superconducting REBCO tapes at 4.2 K showed resistance to cyclic loading, demonstrating that it is a promising material for designing HTS magnets of the future.


Integrated Coil Form Technology for Ultra High Magnetic Fields

Tests of the first Integrated Coil Form test coil wound using REBCO superconducting tape show promise for use in ultra powerful magnets of the future.


"Test Coil Zero" on the Path to 40T

A recent test coil with more than 1300 meters of conductor successfully demonstrated a new winding technique for insulated REBCO technology and was fatigue cycled to high strain for hundreds of cycles. This is the MagLab's first "two-in-hand" wound coil and the first fatigue cycling test of a coil of this size, both of which are very important milestones on the path to a 40T user magnet.


Testing REBCO Critical Current Using a Superconducting Transformer

A new device enables the testing of superconducting cables to high current without the high helium consumption associated with traditional current leads. This superconducting transformer will play an important role in testing cables needed for next-generation superconducting magnets.


"Resistive Insulation" Test Coil for Future 40T All-Superconducting Magnet

A 19 T high-field magnet made with REBCO high-temperature superconductor, but without electrical insulation, was tested to see if it is a viable design option for a future 40 T all-superconducting magnet.


High-Temperature Superconducting Tape Suitable for Magnets at 50 Teslas and Beyond

Recent measurements of superconducting tapes in the MagLab's 45-tesla hybrid magnet shows that the power function dependence of current on magnetic field remains valid up to 45T in liquid helium, while for magnetic field in the plane of the tape conductor, almost no magnetic field dependence is observed. Thus design of ultra-high-field magnets capable of reaching 50T and higher is feasible using the latest high-critical current density REBCO tape.


Heat-Treatment of Large Hadron Collider Nb3Sn Magnets

To increase the rate of particle collisions in the Large Hadron Collider (LHC) at CERN, new powerful magnets will soon be made from Nb3Sn superconducting wires. Here, researchers report a change to the heat-treatment temperature to optimize Nb3Sn superconducting magnet performance.


Hafnium Greatly Improves Nb3Sn Superconductor for High Field Magnets

Small additions of elemental Hafnium boosts current-carrying capability in Nb3Sn superconductor.


Tracking the Potential for Damage in Nb3Sn Superconducting Coils from the Hardness of Surrounding Copper

High field superconductor magnets greater than 10 T made from brittle Nb3Sn superconducting wires need special attention to their assembly, strength and endurance. This new study of damage in Nb3Sn superconducting wire from prototype accelerator coils built at CERN provides a path to designing better superconductor cables for the next generation of higher field accelerator magnets.


Advanced Microscopy for Better Nanostructural Insights in Bi-2212 Round Wires

Researchers working to push the high temperature superconducting material (Bi-2212) to the forefront of superconducting magnet technology have used novel characterization methods to understand the complex relationship between its processing and its superconducting properties, specifically its current carrying capabilities. 


Resilient Bi-2212 Round Wire

Researchers studied the mechanics of supercurrent flow in state-of-the-art Bi-2212 superconducting round wires and learned that the microstructure of the superconducting filaments is inherently resilient, work that could open the door to new opportunities to raise supercurrent capacity of Bi-2212 round wires.


Addressing Supply Chain Challenges for Advanced Superconductors

The start of a sustainable business model for manufacturing advanced superconductors was established by a panel of industry leaders, university faculty, national lab leaders, and science facility project heads, including representatives from the MagLab.


High Temperature Superconducting CORC® Cabling Technology

Large superconducting magnets need multi-conductor cables, which act like multi-lane freeways to allow electricity to switch lanes if one gets blocked. Here cross-sectional images of CORC wires reveal insights to improve the contact between conductors. 


New World-Record Magnet Fulfills Superconducting Promise

Made with high-temperature superconductors, the National MagLab's newest instrument shatters a world record and opens new frontiers in science.


National MagLab Racks up New Record with Hybrid Magnet

Combining tremendous strength with a high-quality field, the MagLab’s newest instrument promises big advances in interdisciplinary research.


MagLab Reclaims Record for Strongest Resistive Magnet

The new 41.4-tesla instrument reclaims a title for the lab and paves the way for breakthroughs in physics and materials research.


$1 Million Grant Will Advance Compact Particle Accelerators

The DOE effort foresees a slew of health, environmental and safety applications.


National MagLab to Receive $184M NSF Renewal Grant

The National Science Foundation announces five-year funding grant for continued operation of the world’s most powerful magnet lab.


MagLab Completes World-Class Magnet for European Partners

When fully installed, the new instrument will be one of the two most powerful magnets on the planet.


International Science Leaders Meet at the MagLab

The visit marked the first time the Group of Senior Officials for Global Infrastructures has met in the United States.


Award to Help MagLab Scientist Push Research Into Marketplace

"GAP" award will help further breakthrough treatment system for next-generation superconducting magnets.


"Strange Metals" Just Got Stranger

A material already known for its unique behavior is found to carry current in a way never before observed.


Grant to Launch Next-Generation of Superconducting Magnets

With funding from the National Science Foundation, scientists and engineers will determine the best way to build a new class of record-breaking instruments.


Best Research of 2017

35 highlights out of 423 reports representing the best of life sciences, chemistry, magnet science and technology, and condensed matter physics.


Unlocking Graphene’s Superconducting Powers

With a twist and a squeeze, researchers discover a new method to manipulate the electrical conductivity of this game-changing "wonder material."


"Superhydride" Shows Superconductivity at Record-Warm Temperature

In a hydrogen-packed compound squeezed to ultra-high pressures, scientists have observed electrical current with zero resistance tantalizingly close to room temperature.


With mini magnet, National MagLab creates world-record magnetic field

The compact coil could lead to a new generation of magnets for biomedical research, nuclear fusion reactors and many applications in between.


Rare "Lazarus Superconductivity" Observed in Promising Material

In a uranium-based compound once dismissed as boring, scientists watched superconductivity arise, perish, then return to life under the influence of high magnetic fields.


New Magnet Design Aces First Test

The successful test of concept shows that the novel design, using a high-temperature superconductor, could help power tomorrow's particle accelerators, fusion machines and research magnets.


MagLab Awarded $1.5 Million to Develop Better Superconductors

Grant from the U.S. Department of Energy will further research that will help make the next generation of high-energy particle accelerators.


New Agreement to Bolster Industry Partnerships

Tallahassee Company MagCorp to Partner with National MagLab.


World's Strongest Superconducting Magnet Open for Science

Made with high-temperature superconductors, the National MagLab's newest instrument offers researchers strength and stability to explore quantum materials.


Improving High-Temperature Superconductor Wire Performance

New research to understand how processing impacts bismuth-based superconducting wires could help power future magnets or particle accelerators.


New Pulsed Magnet Reveals a New State of Matter in Kondo Insulator

The experiment is the first to use the new duplex magnet at the National MagLab's Pulsed Field Facility at Los Alamos.


NSF Grant Funds New 40T Superconducting Magnet Design

The world's next most powerful superconducting magnet will be designed at the National High Magnetic Field Laboratory.


National MagLab Magnet Recognized With R&D 100 Award

World's strongest superconducting magnet celebrated as a top 100 revolutionary technology. 


Mini Magnet Packs World-Record, One-Two Punch

Game-changing technology may hold the key to ever-stronger magnets needed by scientists.


New Approach to Building Magnets Yields New World Record

No insulation? No problem! In fact, by challenging the conventions of magnet making, MagLab engineers created a first-of-its-kind magnet that has only just begun to make records.


MagLab Builds Record-Breaking Magnet for Berlin

A unique magnet developed by the MagLab and Germany's Helmholtz Centre Berlin has reached a new world record for a neutron scattering magnet.


FT-ICR Facility Gets New World-Record Magnet

The MagLab and the Bruker Corporation have installed the world’s first 21 tesla magnet for Fourier Transform Ion Cyclotron Resonance (FT-ICR) mass spectrometry.


Funding to Add X-Rays to MagLab's Research Mix

A new x-ray instrument will become the strongest of its kind thanks to the power of the MagLab’s flagship split helix magnet.


Making Resistive Magnets

Building the world's best resistive magnets requires clever engineering, top-notch science, superior materials and an obsession with quality control.


New Magnet-Making Tool

Two scientists put their heads together and created a machine that speeds along magnet production.


10 Cool Things About the World's Strongest MRI Magnet

What are the ten coolest (and most surprising) things about the world's strongest MRI magnet? 


Homogeneity: At the MagLab, It’s About More Than Milk

What is homogeneity and why is it so important to scientists? Learn how homogeneous magnets make data clearer by milking the magnetic field strength for all it's worth. 


Measuring a Megabeast

How do you measure the bite force of a prehistoric megabeast? At the National MagLab.


Beating the Heat Treatment Problem

Looking for ways to make better superconductors for the next-generation particle accelerators, a young scientist homed in on how they were heat-treated. He was getting warmer.


BiSCCO Breakthrough

MagLab experts fine-tuned a furnace for pressure-cooking a novel superconducting magnet. Now they're about to build its big brother.


Crossing a Mack Truck With a Ferrari

Two MagLab teams tried marrying vastly different technologies to build a new type of magnet: the Series Connected Hybrid. Decades later, has the oddball pairing panned out?


Fields of Dreams

If engineers build stronger magnets, scientists promise they will come … and that discoveries will follow.


The Long Winding Road

Several materials are in the running to build the next generation of superconducting magnets. Which will emerge the victor?


Studying Magnets in Magnets

Researchers put little permanent magnets into large electromagnets to find out how to make them better.


Joining Forces to Split Particles

The world's largest particle collider is getting even larger, and magnet labs are helping lay the foundation.


Meet Leo Li

This frequent MagLab visitor talks about the allure of sci-fi, the road not taken as an engineer, and how he acts like a scientist, even when he’s off the clock.


Probes

Without this instrument, the lab's high powered magnets would be useless.


Next-Generation Magnet

One of the best tools for testing new materials for the next generation of research magnets is a MagLab magnet.


An Oxide Sandwich

Two researchers play with nanostructures in a fun, fertile physics playground: the space between two things.


Behind Laura Greene

Hired in 2015 as chief scientist, this eminent physicist brings a dynamic array of talents to the MagLab.



Last modified on 10 August 2022