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.

1 June 2020

Magnetoelectric coupling at a transition between two spin states

Materials with magnetoelectric coupling - a combination of magnetic and electric properties - have potential applications in low-power magnetic sensing, new computational devices and high-frequency electronics. Here, researchers find a new class of magnetoelectric materials controlled by spin state switching.

23 April 2020

Molecular magnetic building blocks

This study reports the first transition metal compounds featuring mixed fluoride–cyanide ligands. A significant enhancement of the magnetic anisotropy, as compared to the pure fluoride ligated compounds, is demonstrated by combined analysis of high-field electron paramagnetic resonance (HF-EPR) spectroscopy and magnetization measurements.

23 April 2020

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.

23 March 2020

MRI detects brain responses to Alzheimer's disease plaque deposits and inflammation

Magnetic Resonance Imaging (MRI) of mouse models for Alzheimer’s disease can be used to determine brain response to plaque deposits and inflammation that ultimately disrupt emotion, learning, and memory. Quantification of the early changes with high resolution MRI could help monitor and predict disease progression, as well as potentially suggest new treatment methods.

23 March 2020

Analytical tool for in vivo triple quantum MR signals

Magnetic resonance (MR) signals of sodium and potassium nuclei during ion binding are attracting increased attention as a potential biomarker of in vivo cell energy metabolism. This new analytical tool helps describe and visualize the results of MR experiments in the presence of in vivo ion binding.

23 March 2020

Exploring topological semimetals in high magnetic fields

Topological semimetals are an exciting new area of research due to their number of predicted and unexpected quantum mechanical states. Understanding these materials may also lead to quantum devices that function at near room temperature.

25 February 2020

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.

25 February 2020

Corrosion Analysis on Acidic Crude Oils using FT-ICR

A new method to characterize crude oil corrosion shows that corrosion in acidic crude oils depends on the specific structures of the acid molecules, information that can help improve oil valuation and refining.

31 January 2020

Nuclear Spin Patterning Controls Electron Spin Coherence

Electron spin resonance work shows how transition metal can retain quantum information, important work on the path to next-generation quantum technologies.

23 January 2020

Brain Waste Pathway Found

Little is known about the path of metabolic waste clearance from the brain. Here, high-field magnetic resonance images a possible pathway for metabolic waste removal from the brain and suggests that waste clearance may be one reason why we sleep.

23 January 2020

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.

12 December 2019

Liquid State Dynamic Nuclear Polarization at High Magnetic Field

This finding demonstrates a path forward to dramatically enhance sensitivity for molecule concentration measurement by magnetic resonance using Overhauser DNP.

12 December 2019

Complex Phase Diagram and Reentrant Disorder in Ce3TiSb5

Ce3TiSb5 identified as a metallic magnet in which inverse melting does occur.

28 October 2019

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.

28 October 2019

Emergent states of matter in chemically doped quantum magnets

Research on doped SrCu2(BO3)2 shows anomalies in the magnetization.

20 September 2019

Hafnium greatly improves Nb3Sn superconductor for high field magnets

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

20 September 2019

Spin-lattice and electron–phonon coupling in 3d/5d hybrid Sr3NiIrO6

In Sr3NiIrO6 vibrations in the crystal lattice (phonons) play an important role in its intriguing magnetic properties that result in a very high coercive field of 55 T. Using a combination of pulsed and DC magnetic fields coupled with magnetization and far-infrared spectroscopy, researchers were able to conclusively link the phonons to the magnetic behavior.

19 August 2019

Identification of abnormal hemoglobin from human blood

Precise determination of hemoglobin sequence and subunit quantitation from human blood for diagnosis of hemoglobin-based diseases.

19 August 2019

Unusual “Spin Liquid” quantum state found in TbInO3

Using intense pulsed magnetic fields and measurements at low temperatures, MagLab users have found evidence of a long-sought “spin liquid” in terbium indium oxide (TbInO3)

29 July 2019

Luttinger liquid behavior of helium-three in nanotubes

Study of helium atoms at low temperatures illuminate extreme quantum effects that were earlier predicted.