25 Jul 2019
Materials usually expand when heated and contract when cooled, reflecting how energy is stored in atomic bonds. As part of an international effort, researchers at the Okinawa Institute of Science and...
Type: News Article
24 Jul 2019
Using conditions of low temperature (4-10 K) and high magnetic field (26.5-30-T), researchers were able to show that CdCr₂O₄ displays negative thermal expansion (NTE, labelled above).
Type: Photo
24 Jul 2019
Lisa Rossi, first author of the study, standing beside the 37.5 T electromagnet at the High Field Magnet Laboratory (HFML).
Type: Photo
24 Jul 2019
A micrograph of the magnetic spinel CdCr₂O₄. The material expands as it cools in conditions of low temperature and in the presence of a high magnetic field.
Type: Photo
29 May 2019
Relationships are complicated. There are boundaries, the unknown, and a lot of physics. Physics may not be the driving force for the relationships most think of, but they are in this case. A new...
Type: News Article
28 May 2019
A hyperbolic lattice used by Han Yan in his most recent study. The lattice display pentagons changing their states collectively, which mimic gravitational forces.
Type: Photo
12 Nov 2018
When physicists send neutrons shooting through a frustrated magnet, the particles spray out the other side in signature patterns. The designs appear because, even at low temperatures, atoms in a...
Type: News Article
12 Nov 2018
Left panels: Spin (atomic magnet) configurations respecting (lower panel) and violating (upper panel) the conservation law. Right panels: The corresponding neutron scatterings for the two situations...
Type: Photo
12 Nov 2018
Graduate student Han Yan was first author of a paper presenting the first unified theory of half moons and pinch points.
Type: Photo
6 Jun 2018
A graphical representation of theoretical neutron scattering on a quantum spin ice. Note the characteristic pinch point(circled),a bow-tie shaped pattern of neutron reflection.
Type: Photo
6 Jun 2018
A crystal of the quantum spin ice candidate Pr2Hf2O7 used in the study.
Type: Photo
6 Jun 2018
Models of the atomic lattice structure of the quantum spin ice, praseodymium hafnate (Pr2Hf2O7)
Type: Photo
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