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The MagLab is funded by the National Science Foundation and the State of Florida.

Science Highlights

These monthly highlights, selected by MagLab Director Greg Boebinger, represent the most promising and cutting-edge research underway in the lab’s seven user facilities.

Superconducting upper critical fields as a function of temperature for two samples under pressures of 150 and 170 GPa.

November 20, 2018

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 …

Up to two fluorine atoms are added to the Sc3N@C80 fullerene cage, as shown in this FT-ICR mass spectrum

November 19, 2018

Functionalizing molecular nanocarbon with fluorine atoms

Researchers have discovered a new method to create encapsulated carbon nanomaterials that contain fluorine. Known as fullerenes, these nanocages are p…

De Haas-van Alphen measurements (left) agree with the calculated Fermi surfaces (right). Colors in the plot correspond to matching surface calculations.

November 05, 2018

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…

Temperature dependence of the differential resisitivity.

September 17, 2018

Pinning and Melting of a Quantum Wigner Crystal

This research established experimental evidence for the long sought-after transition of a small, two-dimensional sheet of electrons to a solid state.

Electrical resistivity of TaAs for temperatures from 20K to 0.7K.

September 17, 2018

Destruction of Weyl Nodes and a New State in Tantalum Arsenide Above 80 Teslas

Weyl metals such as tantalum arsenide (TaAs) are predicted to have novel properties arising from a chirality of their electron spins. Scientists induc…

The structure of one of the oxoiron(IV) complexes.

August 21, 2018

Making a Non-Heme Oxoiron(IV) Complex a Better Oxidant

This work investigates a series of oxoiron complexes that serve as models towards understanding the mechanism of catalysis for certain iron-containing…

Identification of two classes of Ni- and VO-porphyrins by FT-ICR MS.

August 21, 2018

Ancient porphyrins indicate far earlier date for photosynthesis

Molecular fossils of chlorophyll (called porphyrins) more than 1.1 billion years old find suggest that photosynthesis began 600 million years earlier …

Renette Hawthorne from Silver Lake Middle School in Fort Lauderdale, Fla., prepares an experiment.

August 21, 2018

2018 Research Experiences for Teachers Program

Ten Florida teachers worked side by side with MagLab researchers during the summer of 2018.

Fermi surface of CaFeAsF, which represents the momenta of the highest-energy electrons in the material.

July 10, 2018

Dirac Fermions Detected Via Quantum Oscillations

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

Left: pH-sensitive ratiometric response. Right: A pH map.

July 10, 2018

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 fo…

Using MagLab-developed NMR pulse sequences, volumes in the rat cortex (pink boxes) are selected to acquire relaxation-enhanced 1H NMR spectra over 3 hours.

July 10, 2018

Metabolic Assessment of Migraines Using Ultra-High Magnetic Fields

The causes of migraines are not well understood, with treatment limited to addressing pain rather than its origin. Research conducted with hydrogen MR…

Left: Three-dimensional phase diagram for URu2−x FexSi2 single crystals, with temperature T. Right: Normalized critical-field H/H0

June 27, 2018

Phase Diagram of URu2–xFexSi2 in High Magnetic Fields

Scientists used high magnetic fields and low temperatures to study crystals of URu2–xFexSi2. Using these conditions, they explored an intriguing state…

Schematic cross-section of the multi-layer REBCO tape conductor in which the REBCO layer is less than 1% of the total thickness of the tape.

June 27, 2018

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 fi…

Images show (left to right for two different stimulations) the standard MR image, measured electrical current distribution overlaid on MR image, measured electrical current density alone, and simulated current distribution.

May 18, 2018

Imaging Current Flow in the Brain During Transcranial Electrical Stimulation

Scientists measured the first in vivo images of stimulated current within the brain using an imaging method that may improve reproducibility and safet…

Magnetic-field-induced changes in the dielectric constant of Br-doped DTN at very low temperatures as a function of applied DC magnetic field at 20 mK.

May 16, 2018

Magneto-Electric Effects in Metal-Organic Quantum Magnet

New materials that exhibit a strong coupling between magnetic and electric effects are of great interest for the development of high-sensitivity detec…

Schematic illustrating the dissolution DNP process.

April 17, 2018

Novel Metallofullerene Boosts Dynamic Nuclear Polarization

In this study, researchers added a low concentration of the endohedral metallofullerene (EMF) Gd2@C79N to DNP samples, finding that 1H and 13C enhance…

Left: The variable coupling of edge states between two lateral quantum Hall states (blue regions). Right: R34 vs tunnel barrier gate voltage, which controls the barrier height.

March 19, 2018

Switchable Transmission of Quantum Hall Edge States in Bilayer Graphene

In the 14 years since its discovery, graphene has amazed scientists around the world with both the ground-breaking physics and technological potential…

(a) The Bi-2212 insulation system. (b) Insulated conductor on a spool. (c) Cross-section of the 0.8mm diameter Bi-2212 wire featuring a particularly thick layer of insulation.

March 19, 2018

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 …

Schematic of LC/MS approach that leverages the high IR absorbance of sulfoxides for selective dissociation and discovery of S-sulfonated peptides.

February 27, 2018

Targeted annotation of peptides by selective infrared multiphoton dissociation mass spectrometry

Protein oxidative damage is a common occurrence in a number of diseases, including cancer, neurodegenerative, and cardiovascular disease. Yet, little …

Circularly-polarized optical spectra from 0-65 teslas of monolayers of WSe2.

February 27, 2018

Exciton States in a New Monolayer Semiconductor

Analogous to the unique spectral fingerprint of any atom or molecule, researchers have measured the spectrum of optical excitations in monolayer tungs…

Simulations of high frequency (320 GHz) high magnetic field derivative display EPR spectra of Mn2+Sod and of the Mn2+ of Dr using EasySpin.

February 26, 2018

Across the Tree of Life: Radiation Resistance Gauged by High-Field EPR

This high-field EPR study of the H-Mn2+ content in the bacterium Deinococcus Radiodurans provides the strongest known biological indicator of cellular…

Gate dependence of the conductance for a  macroscopic Corbino device under inplane magnetic field from 0 T to 35T.

January 31, 2018

2D Electron-Hole "Superconductor": Topological Excitonic Insulator

Decades ago, a mechanism was proposed that described a quantum phase transition to an insulating ground state from a semi-metal (excitonic insulator, …

Last modified on 09 April 2024