Magnetics Business & Technology - July/August 2022 - 21

RESEARCH & DEVELOPMENT
up to 75 tesla, which is about 1.5 million times stronger than the
Earth's magnetic field.
Then, a team led by Alessandra Lanzara used spectroscopic
techniques at Berkeley Lab's Advanced Light Source to image the
CeCoIn5 crystals' electronic energy structure and superconductivity
as a function of chemical composition. Lanzara is a senior
faculty scientist and co-investigator in the Quantum Materials
program in Berkeley Lab's Materials Sciences Division and a UC
Berkeley physics professor.
Much to their surprise, the researchers found that in chemical
compositions where the superconductivity is strongest, the number
of free electrons jumps from a small value to a large value,
signifying that the material is at a transition point. (A free electron
is an electron that is not permanently bound to an atom.) The
researchers attributed this transition to the behavior of electrons
associated with the cerium atoms.
The High-Resolution Spectroscopy of Complex Materials (MERLIN)
beamline - aka Beamline 4.0.3 - at the Advanced Light Source (ALS)
where the Berkeley Lab-led team conducted the photoemission spectroscopy
experiments to measure the electronic energy structure and
superconductivity of doped CeCoIn5 samples. (Credit: Image courtesy
of former Berkeley Lab researcher Daniel Eilbott)
They tuned some of the CeCoIn5 crystals to the magnetic state
by replacing a few indium atoms with cadmium, and tuned other
samples to the superconducting state by replacing indium with tin.
Maksimovic measured the electron density of these materials at
the National High Magnetic Field Laboratory's Pulsed Field Facility
at Los Alamos National Laboratory using magnetic fields of
" There are only a few materials where such a transition is suspected
to occur. We have some of the clearest evidence that it
actually does, and that's pretty exciting, " Maksimovic said.
In future studies, the researchers plan to investigate how the transition
in CeCoIn5 applies to other unconventional superconductors
like cuprates. They also plan to investigate how the transition
in CeCoIn5 may affect other physical properties of the material
such as thermal conductivity.
For more info see: https://newscenter.lbl.gov/2022/03/24/exoticsuperconductors-superpowers/
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July/August 2022 * Magnetics Business & Technology 21
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Magnetics Business & Technology - July/August 2022

Table of Contents for the Digital Edition of Magnetics Business & Technology - July/August 2022

Magnetics Business & Technology - July/August 2022
Editor’s Choice/ Features
Carraro Advances Electrification of Agricultural & Construction Machinery
Paragraf’s Graphene Hall-Effect Sensors Open the Wallets of High-Tech Investors
CFS Blazes Path to Fusion Power with Powerful Magnet and $1.8 Billion Funding
Scientists Uncover Surprising New Clues to Exotic Superconductors’ Superpowers
Research & Development
Product News
Industry News
Events Calendar/ Advertising Index
Visions
Magnetics Business & Technology - July/August 2022 - Magnetics Business & Technology - July/August 2022
Magnetics Business & Technology - July/August 2022 - Cover2
Magnetics Business & Technology - July/August 2022 - 3
Magnetics Business & Technology - July/August 2022 - Editor’s Choice/ Features
Magnetics Business & Technology - July/August 2022 - 5
Magnetics Business & Technology - July/August 2022 - 6
Magnetics Business & Technology - July/August 2022 - 7
Magnetics Business & Technology - July/August 2022 - Carraro Advances Electrification of Agricultural & Construction Machinery
Magnetics Business & Technology - July/August 2022 - 9
Magnetics Business & Technology - July/August 2022 - 10
Magnetics Business & Technology - July/August 2022 - 11
Magnetics Business & Technology - July/August 2022 - Paragraf’s Graphene Hall-Effect Sensors Open the Wallets of High-Tech Investors
Magnetics Business & Technology - July/August 2022 - 13
Magnetics Business & Technology - July/August 2022 - CFS Blazes Path to Fusion Power with Powerful Magnet and $1.8 Billion Funding
Magnetics Business & Technology - July/August 2022 - 15
Magnetics Business & Technology - July/August 2022 - 16
Magnetics Business & Technology - July/August 2022 - 17
Magnetics Business & Technology - July/August 2022 - 18
Magnetics Business & Technology - July/August 2022 - 19
Magnetics Business & Technology - July/August 2022 - Research & Development
Magnetics Business & Technology - July/August 2022 - 21
Magnetics Business & Technology - July/August 2022 - 22
Magnetics Business & Technology - July/August 2022 - 23
Magnetics Business & Technology - July/August 2022 - Product News
Magnetics Business & Technology - July/August 2022 - 25
Magnetics Business & Technology - July/August 2022 - 26
Magnetics Business & Technology - July/August 2022 - 27
Magnetics Business & Technology - July/August 2022 - Industry News
Magnetics Business & Technology - July/August 2022 - 29
Magnetics Business & Technology - July/August 2022 - 30
Magnetics Business & Technology - July/August 2022 - 31
Magnetics Business & Technology - July/August 2022 - Events Calendar/ Advertising Index
Magnetics Business & Technology - July/August 2022 - 33
Magnetics Business & Technology - July/August 2022 - Visions
Magnetics Business & Technology - July/August 2022 - Cover3
Magnetics Business & Technology - July/August 2022 - Cover4
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