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Adam Erickson from Abdelghani Laraoui’s lab in the Engineering Research Center aligns the nitrogen vacancy scanning probe microscope used for the study.
Nebraska breakthrough opens door to next-gen electronics

University of Nebraska–Lincoln researchers have achieved a breakthrough in antiferromagnetic spintronics. This development could expand the nanotechnology’s capabilities, which have been limited by their need for excessive power.
The team has shown that introducing boron—a process called B-doping—into magnetoelectric oxides can control magnetic fields at the high temperatures prevalent in electronics. This has long been the “holy grail” of such research, said Christian Binek, Charles Bessey Professor of Physics.
The material the Nebraska team is studying — chromium oxide with a dash of boron — could help herald the emergence of digital memory and processors that consume far less power while potentially running even faster than their modern-day counterparts. (9/18/24)


Joe Turner holds a 3D printed railcar bearing.
Turner group uncovers ways to improve railcar roller bearing safety, strength

Joseph Turner, Robert W. Brightfelt Professor of Mechanical Engineering, said the first-ever 3D-printed rollers for railroad bearings exceeded expectations, creating a starting point for expanding the use of this innovative process that could help to make transportation even safer. Their results were compiled into a paper — “Fatigue Performance of Bearing Rollers Manufactured by Laser Powder Bed Fusion” — that was published in the ASTM Special Technical Publication on Bearing and Transmission Steels Technology. (4/23/24)


Abdelghani Laraoui in his lab.
Nebraska-developed quantum sensing technique could facilitate advances in multiple fields

Two papers recently published outline how research teams in Abdelghani Laraoui's lab are using a quantum sensing technique his lab developed that could lead to significant breakthroughs in data transport technologies and disease treatment. The first paper, “Mapping of Spin-Wave Transport in Thulium Iron Garnet Thin Films Using Diamond Quantum Microscopy,” was published in Advanced Electronic Materials and shows how the team made the first documented measurements of how surface spin waves propagate in thin films of thulium iron garnet (TmIG). The second paper, "Nitrogen-Vacancy Magnetic Relaxometry of Nanocluster Cytochrome C Proteins," published in Nano Letters, shows how researchers used the nitrogen-vacancy layer as a quantum sensor to more accurately assess the performance of cytochrome C (Cyt-C) nanoclusters, which are water-soluble proteins that play a vital role in electron transport chains of mitochondria. (3/12/24)