Magnetics Business & Technology - January/February 2021 - 19

RESEARCH & DEVELOPMENT

Magnetism Does the Twist at Oak Ridge National Laboratory
skyrmions, they twist and swirl, forming unique shapes like petite porcupines or tiny tornadoes. The tiny intertwined magnetic
structures could innovate high-density data storage, for which
size does matter and must be small. The Oak Ridge National
Laboratory-led project produced skyrmions as small as 10
nanometers - 10,000 times thinner than a human hair.
" The way we design and synthesize the superlattice creates the
atomic-scale magnetic interactions responsible for twisting the
spins, " said physicist Elizabeth Skoropata, who co-led the study
with John Nichols, both formerly of ORNL. Results of the project
were published in the July issue of Science Advances.
ORNL's Ho Nyung Lee added, " Our finding demonstrates how
to precisely engineer interfaces in oxide quantum heterostructures to create nanometer-sized skyrmions. "
Scientists have discovered a strategy for layering dissimilar
crystals with atomic precision to control the size of resulting
magnetic quasi-particles called skyrmions. The approach could
advance high-density data storage and quantum magnets for
quantum information science.

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The depiction above, by Adam Malin of ORNL, illustrates how
the layering of crystals into a superlattice yields a nanoscale
magnetic structure of twisting, swirling spin orientations, shown
from red to blue, that deflect electrons, shown as white dots.

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In typical ferromagnets, magnetic spins align up or down. Yet in

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January/February 2021 * Magnetics Business & Technology

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Magnetics Business & Technology - January/February 2021

Table of Contents for the Digital Edition of Magnetics Business & Technology - January/February 2021

Magnetics Business & Technology - January/February 2021
Editor’s Choice/ Features
eTrucks and eBuses with Permanent Magnet Powertrains Charge into Commercial Vehicle Market
Linear Labs Rolls Toward Production of Its Magnetic Flux Tunnel Motors
Protean Electric’s In-Wheel Motor Reaches for Traction in Global EV and Industrial Markets
Embedding Magnetics Achieves Reliability & Consistency, Part 3 of 3
Tech Tips
Research & Development
Product News
Industry News
Events Calendar/ Advertising Index
Visions
Magnetics Business & Technology - January/February 2021 - Magnetics Business & Technology - January/February 2021
Magnetics Business & Technology - January/February 2021 - Cover2
Magnetics Business & Technology - January/February 2021 - 3
Magnetics Business & Technology - January/February 2021 - Editor’s Choice/ Features
Magnetics Business & Technology - January/February 2021 - 5
Magnetics Business & Technology - January/February 2021 - eTrucks and eBuses with Permanent Magnet Powertrains Charge into Commercial Vehicle Market
Magnetics Business & Technology - January/February 2021 - 7
Magnetics Business & Technology - January/February 2021 - 8
Magnetics Business & Technology - January/February 2021 - 9
Magnetics Business & Technology - January/February 2021 - Linear Labs Rolls Toward Production of Its Magnetic Flux Tunnel Motors
Magnetics Business & Technology - January/February 2021 - 11
Magnetics Business & Technology - January/February 2021 - Protean Electric’s In-Wheel Motor Reaches for Traction in Global EV and Industrial Markets
Magnetics Business & Technology - January/February 2021 - 13
Magnetics Business & Technology - January/February 2021 - 14
Magnetics Business & Technology - January/February 2021 - 15
Magnetics Business & Technology - January/February 2021 - Tech Tips
Magnetics Business & Technology - January/February 2021 - 17
Magnetics Business & Technology - January/February 2021 - Research & Development
Magnetics Business & Technology - January/February 2021 - 19
Magnetics Business & Technology - January/February 2021 - Product News
Magnetics Business & Technology - January/February 2021 - 21
Magnetics Business & Technology - January/February 2021 - 22
Magnetics Business & Technology - January/February 2021 - 23
Magnetics Business & Technology - January/February 2021 - 24
Magnetics Business & Technology - January/February 2021 - 25
Magnetics Business & Technology - January/February 2021 - Industry News
Magnetics Business & Technology - January/February 2021 - 27
Magnetics Business & Technology - January/February 2021 - 28
Magnetics Business & Technology - January/February 2021 - 29
Magnetics Business & Technology - January/February 2021 - 30
Magnetics Business & Technology - January/February 2021 - 31
Magnetics Business & Technology - January/February 2021 - Events Calendar/ Advertising Index
Magnetics Business & Technology - January/February 2021 - 33
Magnetics Business & Technology - January/February 2021 - Visions
Magnetics Business & Technology - January/February 2021 - Cover3
Magnetics Business & Technology - January/February 2021 - Cover4
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